# data[].attributes.body
many people raise their awareness to prevent such disease.

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an increasing number of people have realized the importance of diseas

# data[].attributes.body
Exercise 11

1. People have become more aware of the causes of heart disease, and the number of deaths has decreased.

2. The link between an unhealthy lifestyle and heart disease is now clear, so a larger percentage of the population now exercise regularly.

3. The number of deaths from heart disease has been reduced by better treatment, or it has been prevented by health education programs.

4. The number of deaths from heart disease has decreased in developed countries, but it has grown in developing ones

5. It is well known that smoking is a common cause of CVD, yet large numbers of adolescents continue to start smoking.

Exercise 12

1. Although deaths from CVD have decreased in developed countries, they have grown in developing ones.

2. Since the proportion of people surviving heart disease has risen, the average life expectancy of the population has increased.

3. The percentage of smokers in developed countries today is far below that of the 1960s and 1970s,

because there is a greater awareness of the dangers this habit holds.

4. In the 1950s, the number of deaths from heart disease per 100,000 of the population in the US was

587, whereas by the year 2000, it had fallen to 258.

5. While wealthy nations can afford hi-tech surgical treatment, it is prohibitively expensive for nations with weaker economies.

Exercise 13

1. In the US, heart disease death rates have fallen rapidly since the 1960s; furthermore, similar decreases have occurred in other developed countries.

2. The death rates from heart disease have fallen rapidly in the US; however, it is still the leading cause of death among American citizens.

3. The cost of treating heart disease is very high; consequently, health experts believe education programs are a more effective solution.

4. Economic development has rapidly increased the quality of life in many developing countries; conversely, it has caused a significant decrease in levels of health.

5. Heart disease is a problem which affects all countries; therefore, a global strategy is needed to reduce its impact.

# data[].attributes.body
1. In the US, heart disease death rates have fallen rapidly since the 1960s; furthermore, the number of the people get infected dropped.

2. The death rates from heart disease have fallen rapidly in the US; however, it is still high in the poverty stricken areas.

3. The cost of treating heart disease is very high; consequently, many people died because they cannot afford the expenses of the treatment.

4. Economic development has rapidly increased the quality of life in many developing countries; conversely, cultural development did not develop.

5. Heart disease is a problem which affects all countries; therefore, people should pay more attention to it.

# data[].attributes.body
1. People have become more aware of the causes of heart disease, and they began to take some actions to prevent.

2. The link between an unhealthy lifestyle and heart disease is now clear, so people will choose more heathy lifestyles.

3. The number of deaths from heart disease has been reduced by better treatment, or better prevention.

4. The number of deaths from heart disease has decreased in developed countries, but it is still very high in the developing countries.

5. It is well known that smoking is a common cause of CVD, yet other causes are still not clear.

# data[].attributes.body
Exercise 11
1. peoeple have become more aware of the causes of heart diseases, and pay more attention to their daiy life to aviod it.
2. The link betwen an unhealthy lifestyle and heart disease is now clear, so we should take actions to live a healthier lifestyle.
3.  The number ofdeaths from heart disease has been reduced by better treatment, or there will be a higher proportion.
4. The number of deaths from heart disease has decresed in developing countries, but still terrible compared with the developed countries.
5. It is well known that smorking is a common cause of CVD, yet it hasn't been proved.

Exercise 12
1. Although deaths from CVD have decreased in developed countries, it still kept in a high point.
2. Since the proportion of people surviving heart disease has risen, people should still pay much attention to it.
3. The percentage of smorkers in developed countries today is far below that of the 1960s and 1970s, because people pay more attention to their health.
4. In the 1950s, the number of deaths from herat disease per 100000 of the population in the US was 587, whereas it increases today.
5. While wealthy nations can afford hi-tech surgical treatment, some developing countries cannot.

Exercise 13
1. In the US, heart disease death rates have fallen rapidly since the 1960s, furthermore, it shows a decreasing trend in the future.
2. The death rates from heart disease have falln rapidly in the US, however, it remains a high proportion in some of the other countries.
3. The cost of treating heart disease is very high, consequently, some poor people cannot afford the fee.
4.Economic development has rapidly increased the quality of life in many developing countries, conversely the gap between the developing and developed country is wider.
5. Heart disease is a problem which affects all countries, therefore, people all over the world should work together to fight against it

# data[].attributes.body
1. People have become more aware of the causes of heart disease, and they start to care about their daily health life to make it less happen.

2. The link between an unhealthy lifestyle and heart disease is now clear, so

we have to adjust our lifestyle asap.

3. The number of deaths from heart disease has been reduced by better treatment, or better preventive education.

4. The number of deaths from heart disease has decreased in developed countries, but in developping countries it has not been dropped yet.

5. It is well known that smoking is a common cause of CVD, yet people still

can’t stop it.

1. Although deaths from CVD have decreased in developed countries,developping countries still have high death rate.

2. Since the proportion of people surviving heart disease has risen,people have more longger and health life.

3. The percentage of smokers in developed countries today is far below that of the 1960s and 1970s,because people stat to realize it is harmful for their health.

4. In the 1950s, the number of deaths from heart disease per 100,000 of the population in the US was 587, whereas in 1970s it has dropped to 400.

5. While wealthy nations can afford hi-tech surgical treatment, the poor one can not pay for it.

1. In the US, heart disease death rates have fallen rapidly since the 1960s; furthermore in other developped countries have the same tendency.

2. The death rates from heart disease have fallen rapidly in the US;however, in developping countries it still need more measures to control it.

3. The cost of treating heart disease is very high; consequently,many people who have not enough money could not afford to the treatment.

4. Economic development has rapidly increased the quality of life in many developing countries; conversely, the disease related to lifestyle happens more easily.

5. Heart disease is a problem which affects all countries;therefore,we should pay much attention to how to prevent it effectively.

# data[].attributes.body
Exercise11
1. People have become more aware of the causes of heart disease, and more and more people do sports on weekends .
2. The link between an unhealthy lifestyle and heart disease is now clear, so people pay more attention on healthy eating and doing sports regularly.
3. The number of deaths from heart disease has been reduced by better treatment, or it had been reduced by the popularization of periodical medical check and  proper treatment in time.
4. The number of deaths from heart disease has decreased in developed countries, but in some developing countries, the people who die from heart disease have been still increasing.
5. It is well known that smoking is a common cause of CVD, yet there are still a number of people who know the bad effects cannot live without smoking.

Exercise 12
1. Although deaths from CVD have decreased in developed countries, in developing countries,  they have still devoloped in bad trends.
2. Since the proportion of people surviving heart disease has risen, the happiness index of people has increased.
3. The percentage of smokers in developed countries today is far below that of the 1960s and 1970s,because the harm of smoking have been widely publicized.
4. In the 1950s, the number of deaths from heart disease per 100,000 of the population in the US was587, whereas in the 2000s, the number has decreased by 50.
5. While wealthy nations can afford hi-tech surgical treatment, it is still unaffordable for some relatively undeveloped nations.

Exercise 13
1. In the US, heart disease death rates have fallen rapidly since the 1960s; furthermore, the similar trends have occurred in UK.
2. The death rates from heart disease have fallen rapidly in the US; however, the rates have increased in the UK.
3. The cost of treating heart disease is very high; consequently, some people give up their treatment.
4. Economic development has rapidly increased the quality of life in many developing countries; conversely, in developed countries, the movement has little influence on most people's daliy life.
5. Heart disease is a problem which affects all countries; therefore, how to reduce the number of people with heart disease is a very important issue.

# data[].attributes.body
Exercise 11

（1）People have become more aware of the causes of heart disease, and pay more attention on exercise .

（2）The link between an unhealthy lifestyle and heart disease is now clear, so healthy food is becoming more and more popular.

（3）The number of deaths from heart disease has been reduced by better treatment, or people are more aware of the source and prevention of heart disease .

（4）The number of deaths from heart disease has decreased in developed countries, but the situation in developing countries is increasing substantially.

（5）It is well known that smoking is a common cause of CVD, yet many people still buy cigarettes .

Exercise 12

（1）       Although deaths from CVD have decreased in developed countries , people still don't know about heart disease .

（2）       Since the proportion of people surviving heart disease has risen , life expectancy has improved .

（3）       The percentage of smokers in developed countries today is far below that of the 1960s and 1970s , because more and more people understand the dangers of cigarettes .

（4）       In the 1950s, the number of deaths from heart disease per 100,000 of the population in the US was 587 , whereas it fallen to 8000 after that .

（5）       While wealthy nations can afford hi-tech surgical treatment , that is very expensive for developing countries .

Exercise 13

（1）       In the US, heart disease death rates have fallen rapidly since the 1960s; furthermore , it kept a downward trend after that .

（2）       The death rates from heart disease have fallen rapidly in the US , however , the rates of heart disease is still high .

（3）       The cost of treating heart disease is very high , consequently , only wealthy nations can pay more attention on it .

（4）       Heart disease is a problem which affects all countries , therefore , we should take it seriously .

# data[].attributes.body
Email:767194278@qq.com
1. In the US, heart disease death rates have fallen rapidly since the 1960s; furthermore, the awareness of health problems has improved among the whole world.

2. The death rates from heart disease have fallen rapidly in the US; however, in many African countries the proportion of disease is still soaring at a fast speed.

2.The cost of treating heart disease is very high; consequently, high-tech surgeries can only be operated to the rich.

3.Economic development has rapidly increased the quality of life in many developing

countries; conversely, the gap between the rich and poor is growing.

5. Heart disease is a problem which affects all countries; therefore, more and more attention should be paid by general public.

# data[].attributes.body
Email:767194278@qq,com
1. Although deaths from CVD have decreased in developed countries, it is still rising rapidly in developing countries due to poor medical treatment.

2.Since the proportion of people surviving heart disease has risen, they may have a longer Longevity.

3.The percentage of smokers in developed countries today is far below that of the 1960s and 1970s, because they realize the importance of health and they want to lead a happy life.

4.In the 1950s, the number of deaths from heart disease per 100,000 of the population in the US was 587, whereas the number of people died from the disease doubled in the following ten years.

5. While wealthy nations can afford hi-tech surgical treatment, the people who living in poverty still have no money to undertake expensive medical fee.

# data[].attributes.body
Email:767194278@qq.com
1.People have become more aware of the causes of heart disease, and they take some measures to avoid before facing health problems.

2. The link between an unhealthy lifestyle and heart disease is now clear, so a large number of people try to have a balanced diet and exercise more.

3.The number of deaths from heart disease has been reduced by better treatment, or there would be thousands of victims who could never survive.

4.The number of deaths from heart disease has decreased in developed countries, but it is still rising rapidly in developing countries due to poor medical treatment.

5. It is well known that smoking is a common cause of CVD, yet a large majority of people are still addicted to the cigarettes .

# data[].attributes.body
1. People have become more aware of the causes of heart disease, and make a healthier lifestyle.
2, The link between unhealthy lifestyle and heart disease is now cllear, so people are surpported to do some exercise more regularly.
3. The number of deaths from heart disease has been reduced by better treatment, or by the measures take by government.
4. The number of deaths from heart disease has decreased in developed countries, but some of them continue to live in a bad life.
5. it is well known that smoking is  a common cause of CVD ,yet not the only cause og CVD.

Exercise 12
1. Although deaths from CVD have decreased in developed countries ,many people suffer from this.
2. Since the proportion of people surviving heart disease has risen, it is high time fr citizens to keep a healthy life.
3. The percentage of smokers in developed countries today is far below that of the 1960s and 1970s, because the government bans smoking in some particular places.
4.In the 1950s, the number of deaths from heart disease per 100,000 of the population in the US was 687,whereas it had fallen by th 2000.
5.While wealthy nations can avoid hi-tech surgical treatment. the poverity can not afford this.

Exercise 13
1. In the US, heart disease death rates have fallen rapidly since the 1960s, furthermore, people become more aware of keeping healthy.
2. The death rates from heart disease have fallen rapidly in the US, however ,it goes up in the developing countries.
3. The cost of treating heart disease is very high , consequently, the death of rates increase rapidly.
4. Economic development has rapidly increased the quality of life in many developing countries, conversely, it redces hte level of health.
5. Heart disease is a problem which affects all countries. therefore, all of the people should take measures to prevent this.

# data[].attributes.body
Exercise 11

1. People have become more aware of the causes of heart disease, and the mortality caused by it has dropped tremendously.

2. The link between an unhealthy lifestyle and heart disease is now clear, so people pay more attention to the healthy diet.

3. The number of deaths from heart disease has been reduced by better treatment, or better lifestyle.

4. The number of deaths from heart disease has decreased in developed countries, but the number in developing countries has risen.

5. It is well known that smoking is a common cause of CVD, yet cigarettes are still popular around the world.

Exercise 12

1. Although deaths from CVD have decreased in developed countries, it still keep a high rate in developing countries.

2. Since the proportion of people surviving heart disease has risen, the average life expectancy of the population has increased.

3. The percentage of smokers in developed countries today is far below that of the 1960s and 1970s, because people has realized that what is important is that they are healthy.

4. In the 1950s, the number of deaths from heart disease per 100,000 of the population in the US was 587, whereas the number decreased to 109 in 2010s.

5. While wealthy nations can afford hi-tech surgical treatment, it is difficult to poor nation.

Exercise 13

1. In the US, heart disease death rates have fallen rapidly since the 1960s; furthermore, malaria death rates have also dropped since then.

2. The death rates from heart disease have fallen rapidly in the US; however, it still keep a high rate in poor nations.

3. The cost of treating heart disease is very high; consequently, many countries which lack of economic base can not afford it.

4. Economic development has rapidly incereased the quality of life in many developing countries ,conversely,the irreconcilable conflict between the rich and the poor has became a hot potato.

5. Heart disease is a problem which affects all countries; therefore, WHO invest much funds in this area.

# data[].attributes.body
Exercise 11
1.People have become more aware of the causes of heart disease, and the number of people who suffer this disease has dropped.
2.The link between an unhealthy lifestyle and heart disease is now clear, so people live in a much healthier lifestyle.
3. The number of deaths from heart disease has been reduced by better treatment, or it has been prevented by widespread healthy knowledge.
4. The number of deaths from heart disease has decreased in developed countries, but the number in developing countries has risen.
5. It is well known that smoking is a common cause of CVD, yet the number of people who indulge in smoking is still increasing.

Exercise 12
1. Although deaths from CVD have decreased in developed countries, they has increased in developing countries.
2. Since the proportion of people surviving heart disease has risen, the number of deaths from it has increased.
3. The percentage of smokers in developed countries today is far below that of the 1960s and 1970s, because people has realized that what is important is that they are healthy.
4. In the 1950s, the number of deaths from heart disease per 100,000 of the population in the US was 587, whereas it has risen to 697 in 2016.
5. While wealthy nations can afford hi-tech surgical treatment, the poor nations still have difficult in paying for the doctor bills.

Exercise 13
1. In the US, heart disease death rates have fallen rapidly since the 1960s; furthermore, malaria death rates have also dropped since then.
2. The death rates from heart disease have fallen rapidly in the US; however, this disease is still the main reason for death recent years.
3. The cost of treating heart disease is very high; consequently, the death rates from it in some poor regions is still high.
4. Economic development has rapidly increased the quality of life in many developing countries; conversely, it also has risen the incidence rates of many fatal disease, such as heart disease.
5. Heart disease is a problem which affects all countries; therefore, many experts want to find an effective way to treat it.

# data[].attributes.body
E11
1. People have become more aware of the causes of heart disease, and the mortality of heart disease rate will drop.
2. The link between an unhealthy lifestyle and heart disease is now clear, so people pay more attention to the healthy diet.
3. The number of deaths from heart disease has been reduced by better treatment, or  staving off heart disease is an efficient way.
4. The number of deaths from heart disease has decreased in developed countries, but in developing countries, the situation remains severe.
5. It is well known that smoking is a common cause of CVD, yet cigarettes are still popular around the world.
E12
1. Although deaths from CVD have decreased in developed countries, the situation is still severe.
2. Since the proportion of people surviving heart disease has risen, the average life expectancy of the population has increased.
3. The percentage of smokers in developed countries today is far below that of the 1960s and 1970s, because people have been aware of the harm of smoking.
4. In the 1950s, the number of deaths from heart disease per 100,000 of the population in the US was 587, whereas it has increased to 865 in the 1960s.
5. While wealthy nations can afford hi-tech surgical treatment, the number of deaths from heart disease has decreased
E13
1. In the US, heart disease death rates have fallen rapidly since the 1960s; furthermore, Germany has the same situation .
2. The death rates from heart disease have fallen rapidly in the US; however, the situation in India is still severe.
3. The cost of treating heart disease is very high; consequently, prevention is a better way.
4. Economic development has rapidly increased the quality of life in many developing countries; conversely, people's health level has dropped a lot.
5. Heart disease is a problem which affects all countries; therefore, WHO invest much funds in this area.

# data[].attributes.body
949240924@qq.com
Exercise 11

1. People have become more aware of the causes of heart disease, and in many countries the rates have decrease.

2. The link between an unhealthy lifestyle and heart disease is now clear, so living healthy is very important to avoid this disease.

3. The number of deaths from heart disease has been reduced by better treatment, or better lifestyle.

4. The number of deaths from heart disease has decreased in developed countries, but it still keep a high rate in developing countries.

5. It is well known that smoking is a common cause of CVD, yet there are still exist a large number of people who can not give it up.

Exercise 12

1. Although deaths from CVD have decreased in developed countries, it still keep a high rate in developing countries.

2. Since the proportion of people surviving heart disease has risen, medical institutions pay more attention to it.

3. The percentage of smokers in developed countries today is far below that of the 1960s and 1970s, because people have become more aware of the harm of heart disease.

4. In the 1950s, the number of deaths from heart disease per 100,000 of the population in the US was 587, whereas it has decreased today.

5. While wealthy nations can afford hi-tech surgical treatment, it is difficult to poor nation.

Exercise 13

1. In the US, heart disease death rates have fallen rapidly since the 1960s; furthermore, the proportion of occurrence has also declined.

2. The death rates from heart disease have fallen rapidly in the US; however, it still keep a high rate in poor nations.

3. The cost of treating heart disease is very high; consequently, many countries which lack of economic base can not afford it.

4. Economic development has rapidly increased the quality of life in many developing countries; conversely, it also widening the gap between rich and poor.

5. Heart disease is a problem which affects all countries; therefore, it is a global problem which need the governments of all countries to pay attention.

# data[].attributes.body
E11
1.People have become more aware of the causes of heart disease,and the mortality caused by it has dropped sharply.

2.The link between an unhealthy lifestyle and heart disease is now clear, so people who trapped by bad lifestyles are seeking for a healthy way.

3.The number of deaths from heart disease has been reduced by better treatment ,or by better prevention.

4.The number of deaths from heart disease has decreased in developed countries,but the situation in devoloping countries is not optimistic.

5.It is well known that smoking is a common cause of CVD,yet there are still a large number of smokers trapped by tobacco.

E12

1.Although deaths from CVD have decreased in developed countries,but the threat of this sickness still is a thriky problem.

2.Since the proportion of people surviving heart disease has risen,an increasing number of people have realized the importance of disease prevention.
3.The percentage of smokers in developed countries today is far below that of the 1960s and 1970s,because the srongly advocation conducted by government that propose the healthy life has a significant effect.

4.In the 1950s, the number of deaths from heart disease per 100,000 of the population in the US was 587, whereas the number decreased to 109 in 2010s.

5.While wealthy nations can afford hi-tech surgical treatment,it is still a astronomical expenses that can not affordable for those impoverished countries.

E13

1.In the US,heart disease death rates have fallen rapidly since the 1960s,furthermore,the relevent desease rates caused by unhealthy lifestyle also decreased.

2.The death rates form heart disease have fallen rapidly in the US,however,the mortality caused by car accidents soared remarkablly.

3.The cost of treating heart disease is very high ,consequently,an increasing number of people died from it because of the unaffordable medical fee.

4.Economic development has rapidly incereased the quality of life in many developing countries ,conversely,the irreconcilable conflict between the rich and the poor has became a hot potato.

5.Heart disease is a problem which affects all countries ,therefore,astronomical budgets have arranged into the disease research in order to decrease the mortality.

# data[].attributes.body
Exercise 11

1. People have become more aware of the causes of heart disease, and the death rate become lower.

2. The link between an unhealthy lifestyle and heart disease is now clear, so people change their living habit.

3. The number of deaths from heart disease has been reduced by better treatment, or exercise.

4. The number of deaths from heart disease has decreased in developed countries, but is still increasing in developing countries.

5. It is well known that smoking is a common cause of CVD, yet cigarette remained popular.

Exercise 12

1. Although deaths from CVD have decreased in developed countries, they still increasing in developing countries.

2. Since the proportion of people surviving heart disease has risen, people’s life span is longer.

3. The percentage of smokers in developed countries today is far below that of the 1960s and 1970s,
because people are more concerned on the issue.

4. In the 1950s, the number of deaths from heart disease per 100,000 of the population in the US was
587, whereas by the year 2000 it has fallen to 287.

5. While wealthy nations can afford hi-tech surgical treatment,

# data[].attributes.body
Exercise 13

1. In the US, heart disease death rates have fallen rapidly since the 1960s; furthermore,many people raise their awareness to prevent such disease.

2. The death rates from heart disease have fallen rapidly in the US; however, it is still high in some African countries.

3. The cost of treating heart disease is very high; consequently, the death numbers remain a high level.

4. Economic development has rapidly increased the quality of life in many developing countries; conversely, thier physicial condition begin to fail due to their overworking to make money.

5. Heart disease is a problem which affects all countries; therefore,the government should raise budget to provide more free medical benefits to people.

# data[].attributes.body
Exercise 11

1. People have become more aware of the causes of heart disease, and begin to take  a lot of precautions to avoid it.

2. The link between an unhealthy lifestyle and heart disease is now clear, so many people choose to do exercises everyday.

3. The number of deaths from heart disease has been reduced by better treatment, or their own determination played an important role as well.

4. The number of deaths from heart disease has decreased in developed countries, but it is still increasing in developing countries.

5. It is well known that smoking is a common cause of CVD, yet many people still consume a large number of cigarettes everyday.

Exercise 12

1. Although deaths from CVD have decreased in developed countries, it is still increasing in developing countries.

2. Since the proportion of people surviving heart disease has risen, a growing number of people begin to pay more attention to relevent precautions.

3. The percentage of smokers in developed countries today is far below that of the 1960s and 1970s,because medical standards and drug efficacy have been greatly improved.

4. In the 1950s, the number of deaths from heart disease per 100,000 of the population in the US was 587, whereas the firgue today is only 158.

5. While wealthy nations can afford hi-tech surgical treatment, some poor countries still can not afford such high medical expenses.

# data[].attributes.body
E11
1. People have become more aware of the causes of heart disease, and the rate of death

which due to heart disease decrease.

2. The link between an unhealthy lifestyle and heart disease is now clear, so people have become more aware of their health.

3. The number of deaths from heart disease has been reduced by better treatment, or it has been prevented by health education programmes．

4. The number of deaths from heart disease has decreased in developed countries, but many

people still suffer from this disease.

5. It is well known that smoking is a common cause of CVD, yet many adolescents continue to start smoking.

E12
1. Although deaths from CVD have decreased in developed countries,they increased in developing ones.

2. Since the proportion of people surviving heart disease has risen, the average life expectancy of the population has increased.

3. The percentage of smokers in developed countries today is far below that of the 1960s and 1970s, because of people have become more aware of the dangers.

4. In the 1950s, the number of deaths from heart disease per 100,000 of the population in the US was 587, whereas by the year 2000, it had fallen to 258.

5. While wealthy nations can afford hi-tech surgical treatment, it is too expensive for normal people.

E13
1. In the US, heart disease death rates have fallen rapidly since the 1960s; furthermore,similar decreases have occurred in other developed countries.

2. The death rates from heart disease have fallen rapidly in the US; however, it increase in American citizens.

3. The cost of treating heart disease is very high; consequently,many people can not affort the price.

4. Economic development has rapidly increased the quality of life in many developing countries; conversely, it has caused a significant decrease in levels of health.

5. Heart disease is a problem which affects all countries; therefore, a global strategy is needed to reduce its impact.

# data[].attributes.body
1.People have become more aware of the causes of heart diseases, and the proportion of death rate has sharply decreased.

2.The link between an unhealthy lifestyle and heart disease is now clear, so people are supposed to cultivate  good life habits, like doing sports and having more vegetables.

3.The number of deaths from heart disease has bean reduced by better treatment, so a considerate care for patients should be advocated, so that many more diseases can be cured.

4.The number of deaths from heart diseases has decreased in developed countries, but more measures may be taken for developing countries.

5.It is well known that smoking is a common cause of CVD, yet there are still many smokers today.

# data[].attributes.body
Exercise 11
1. People have become more aware of the causes of heart disease, and the number of death have decreased.
2. The link between an unhealthy lifestyle and heart disease is now clear, so growing number of population exercise regularly.
3. The number of deaths from heart disease has been reduced by better treatment, or it has been well prevented by health education.
4. The number of deaths from heart disease has decreased in developed countries , but it has grown in developing countries.
5. It is well known that smoking is a common cause of CVD, yet large number of youths continue to smoke.

Exercise 12
1. Although deaths from CVD have decreased in developed countries, they have increased in developing countries.
2. Since the proportion of people surviving heart disease has risen, the average life span of population has increased.
3. The percentage of smokers in developed countries today is far below that of the 1960s and 1970s, because there I a greater awareness of the dangers this habit holds.
4. In the 1950s, the number of deaths from hearts disease per 100,000 of the population in the US was 587, whereas in 2000, it had fallen to 258.
5. While wealthy nations can afford hi-tech surgical treatment, it is expensive for poor nations.

Exercise 13
1. In the US, heart disease death rates have fallen rapidly since the 1960s; furthermore, it decreases in other developed countries.
2. The death rates from heart disease have fallen rapidly in the US; however, it is still the leading cause of death in US.
3. The cost of treating heart disease is very high; consequently, health education is a more effective way.
4. Economic development has rapidly increased the quality of life in many developing countries; conversely, it has led to a great decrease in levels of health.
5. Heart disease is a problem which affects all countries; therefore, a global strategy is needed to reduce its impact.

# data[].attributes.body
1. People have become more aware of the causes of heart disease,and they exercise more than before.

2. The link between an unhealthy lifestyle and heart disease is now clear, so people concentrate on healthy lifestyle to keep heart disease away.

3. The number of deaths from heart disease has been reduced by better treatment, or more people will suffer the pain of heart disease

4. The number of deaths from heart disease has decreased in developed countries, but it is still increasing in the developing countries.

5. It is well known that smoking is a common cause of CVD, yet a large number of people smokes today.

# data[].attributes.body
1. In the US, heart disease death rates have fallen rapidly since the 1960s; furthermore, similar decreases have occurred in other developed countries.
2. The death rates from heart disease have fallen rapidly in the US; however, it still increased in developing countries.
3. The cost of treating heart disease is very high; consequently, only a few of people can afford medical treatment.
4. Economic development has rapidly increased the quality of life in many developing countries; conversely, it has caused some problems.
5. Heart disease is a problem which affects all countries; therefore, people all around the world should pay more attention to their health.

# data[].attributes.body
1. Although deaths from CVD have decreased in developed countries, they have increased in developing countries.
2. Since the proportion of people surviving heart disease has risen, the life expectancy of the human has increased.
3. The percentage of smokers in developed countries today is far below that of the 1960s and 1970s, because a lot of people have become more aware of the dangers of smoking.
4. In the 1950s, the number of deaths from heart disease per 100,000 of the population in the US was 587, whereas it has fallen to 328 by the 1980s.
5. While wealthy nations can afford hi-tech surgical treatment, it is costly for people in poor countries.

# data[].attributes.body
1. People have become more aware of the causes of heart disease, and they have been trying to exercise more often.
2. The link between an unhealthy lifestyle and heart disease is now clear, so more and more people try to exercise more often.
3. The number of deaths from heart disease has been reduced by better treatment, or by healthier lifestyle.
4. The number of deaths from heart disease has decreased in developed countries, but it has increased in developing countries.
5. It is well known that smoking is a common cause of CVD, yet the rate of people who continue to smoke still in a high level

# data[].attributes.body
1. In the US, heart disease deaths rates have fallen rapidly since the 1960s; furthermore, AIDS prevalence has slowed down in America.

2.The deaths rates from heart disease have fallen rapidly in the US; however, other diseases rates have risen rapidly in the country.

3. The cost of treating heart disease is very high; consequently, patients usually lack effective treatment.

4. Economic development has rapidly increased the quality of life in many developing countries; conversely, it has caused some severe social problems.

5. Heart disease is a problem which affects all countries; therefore, people all around the world should prevent themselves from the disease.

# data[].attributes.body
1. people have become more aware of the causes of heart disease, and scientists have been working hard to eliminate these causes.

2. Since the proportion of people surviving heart disease has risen, the human civilization has progressed a lot.

3. The percentage of smokers in developed countries is far below that of the 1960s and 1970s, because governments have issued powerful laws to regulate cigarattes business.

4. In the 1950s, the number of deaths from heart disease per 100,000 of the population in the
US was 587, whereas at present, the figure has dropped by 25%.

5. It is well known that smoking is a common cause of CVD, yet quite a few smokers can not abandon the bad habit.

# data[].attributes.body
1. People have become more aware of the causes of heart disease, and they have been trying to adopt healthier lifestyle.

2. The link between an unhealthy lifestyle and heart disease is now clear, so medias have paid more attention to persuade people to exercise more.

3. The number of deaths from heart disease has been reduced by better treatment, or by adopting healthier lifestyle.

4. The number of deaths from heart disease has decreased in developed countries, but it has increased in developing countries.

5. It is known that smoking is a common cause of CVD, yet many smokers can not help themselves from smoking heavily.

# data[].attributes.body
1. In the US, heart disease death rates have fallen rapidly since the 1960s; furthermore, People have become more aware of the causes of heart disease
2. The death rates from heart disease have fallen rapidly in the US; however, the number in some developing nations is increasing .
3. The cost of treating heart disease is very high; consequently, only a few of people can afford appropriate treatment.
4. Economic development has rapidly increased the quality of life in many developing countries; conversely, it has also caused many problems.
5. Heart disease is a problem which affects all countries; therefore, it is important to find better treatments of it.

# data[].attributes.body
1. People have become more aware of the causes of heart disease, and exercise more effectively
2. The link between an unhealthy lifestyle and heart disease is now clear, so the rate of people who keep balanced diet is increasing.
3. The number of deaths from heart disease has been reduced by better treatment，or by better prevention treatment.
4. The number of deaths from heart disease has decreased in developed countries, but it has increased in developing nations.
5. It is well known that smoking is a common cause of CVD, yet the sales volume of cigarette is still in a high level.

# data[].attributes.body
1、In the US, heart disease death rates have fallen rapidly since the 1960s; furthermore, the same decrease has occurred in developing counties.

2、The death rates from heart disease have fallen rapidly in the US; however, it is still the main reason lead to death for American.

3、 The cost of treating heart disease is very high; consequently, it is difficult for people in developing ones to afford Medical treatment.

4、Economic development has rapidly increased the quality of life in many developing countries; conversely, it has caused a significant decrease in levels of health.

5、Heart disease is a problem, which affects all countries; therefore, it sparked the global attention.

# data[].attributes.body
1、Although deaths from CVD have decreased in developed countries, it has grown in developing areas.

2、Since the proportion of people surviving heart disease has risen, the life expectancy of the human has extended.

3、The percentage of smokers in developed countries today is far below that of the 1960s and 1970s, because an increasing number of people have become more aware of their health.

4、In the 1950s, the number of deaths from heart disease per 100,000 of the population in the US was 587, whereas it has decreased to 400 in 1960s.

5、While wealthy nations can afford hi-tech surgical treatment, it is costly for people in poor areas.

# data[].attributes.body
1、people have become more aware of the causes of heart disease, and the number of exercise is increasing rapidly.

2、The link between an unhealthy lifestyle and heart disease is now clear, so an increasing number of people have become more aware of their way of life.

3、The number of deaths from heart disease has been reduced by better treatment, or the rate of heart disease cure has become higher and higher.

4、The number of deaths from heart disease has decreased in developed countries, but the rate has remained high in developing areas.

5、It is well known that smoking is a common cause of CVD, yet there are a large number of people continued to  smoke.