4. 听录音，完成2a的听力任务。

5. 熟读2b中的句子。再听录音，完成2b的听力任务。

6. 听第三遍录音，选择正确的句子填空。检测自己回答问题的情况。

Andrea: Hi, Mark. I want to have a class party. Will you help me organize it?

Mark: Sure, Andrea. I can help you. So when shall we have the party?

Andrea: Let's have it today after class.

Mark: No, today is too early. ________________

Andrea: Okay, let's have it tomorrow.

Mark: Hmm... There's a test tomorrow. ______________let's have it on the weekend.

Andrea: Okay, let's have it on Saturday afternoon. We can all meet and watch a video.

Mark: No, I don't think we should watch a video. __________ let's play party games.

Andrea: Okay, good idea. ______________

Mark: Sure, I can do that.__________

Andrea: Yes, that's no problem.

A. Can you organize the party games?

B. If we have it today. Half the class won't come.

C. Some students will be bored.

D. And can you make some food for us?

E. Students will leave early to study for their tests. 7. 模仿秀：跟读录音后，分角色朗读对话，注意语音、语调，看谁模仿录音最标准。

After listening

1. Pairwork: 和同伴分角色扮演2c中的对话。 2. 同伴交流：

A：I think I'm going to ride my bike. (be late) B: If you do, you'll be late.

A: I think I'm going to work until night. (be tired) B: ____________________

A: I think I'm going to exercise every day.(be healthy) B: ______________________

A: I think I'm going to work hard. (get A) B:_____________________

两人一组表演对话后，将对话的内容补全。

知识巩固 Ⅰ. 根据首字母及句意补全单词。

1. Don't wear j ________ to go to the party, or your teacher will be angry.

2. Who are going to o_________ this important English speech?

3. I had a g ________ time at Ann's birthday party yesterday.

4. What will h _________ in a hundred years?

Ⅱ. 根据提供的关键词，用if组成完整的句子。

1. surf the Internet, worry about ___________

2. be sunny, go for a trip ___________

3. watch the match, have a great time ____________

4. not finish homework , be angry_________

课堂反思 本单元我们学习了用__________引导的条件状语从句来谈论因果关系。

我们应注意以下几点：

(1) if引导的条件句位置灵活，可直接放在主句后面。若if引导的从句在前时，应在句中加__________(标点符号)。