1. Informal Chat

• Advantages：

  • Immerses in natural context, helping students acquire colloquial expressions (e.g., "gonna", "wanna") without pressure.

  • Enables instant feedback via non-verbal cues (e.g., frowning to detect misunderstanding).

• Disadvantages：

  • Risks normalizing fragmented language (e.g., elliptical sentences like "Wanna coffee?").

  • Hinders deep thinking due to random topic shifts.

2. Group Formats

• Pairs：

  • Advantages：50% speaking time per person, ideal for building confidence in weak speakers.

  • Disadvantages：Limited to two perspectives, lacks diversity.

• Small groups (3-5)：

  • Advantages：Roles like note-taker foster collaboration; multi-turn dialogues deepen ideas.

  • Disadvantages：Extroverts may dominate, sidelining introverts.

• Whole-class：

  • Advantages：Broadens idea exchange; simulates academic conference scenarios.

  • Disadvantages：Uneven participation; 30% students may stay silent.

3. Organized Procedures

• Spider web discussion：

  • Advantages：Visualizes thinking for logical structuring.

  • Disadvantages：Time-consuming to draw, reduces discussion depth.

• Socratic seminars：

  • Advantages：Cultivates critical thinking via chain questioning.

  • Disadvantages：Requires pre-reading; unprepared students struggle.

• Formal debate：

  • Advantages：Trains rigorous argumentation with data citation.

  • Disadvantages：Restricted by rules, lacks improvisational flexibility.

4. Stimulus-to-interaction

• Student presentation + Q&A：

  • Advantages：Focuses attention through question preparation.

  • Disadvantages：High pressure on presenters may cause 卡顿.

• Video + discussion：

  • Advantages：Multi-modal input enhances comprehension (e.g., documentary data analysis).

  • Disadvantages：Boring videos lead to superficial talks.

5. Role-played interactions

• Scenario role-play (as self)：

  • Advantages：Natural language use in hypothetical contexts (e.g., airport customs).

  • Disadvantages：Limited to personal perspectives, lacks professional role depth.

• Panel of experts：

  • Advantages：Information gap drives collaborative learning across domains.

  • Disadvantages：Requires extensive pre-research, increasing workload.