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重难点分析：
反身代词的使用；
let sb. (not) to do 短语的正确使用；
电话对话和电话留言自如转换。
教学过程：
Stage 1 Revision
Step1问候，进入课题，通过幻灯片二，师生问答，复习Section A中“should/shouldn’t/ had better / had better not”的用法；
T：As we know, health is very important, do you think so? ( Ss: Yes.) But sometimes we may feel terrible. We may have a headache or get the flu. So when we get the flu, what should we do? (出示幻灯片1，What should we do to prevent the flu?)
S1: We should do exercise to build us up. /…
S2: We should keep our rooms clean and make the air fresh all the time./…
S3: We should wash out hands and change our clothes often./…
Step2、展示幻灯片三、四和五，让生逐一根据六幅插图，联想动词短语，进一步复习“must / mustn’t / had better/ had better not”的用法，注意学法指导。如：
T: Let’s look at picture 4, we shouldn’t throw litter around, and we must throw it into the dustbin. But in the picture here, how can we keep healthy? (师生一同仔细观察图片)
S4: We mustn’t / shouldn’t drink sour milk.（师要适时追问”sour” means? ）
Ss: “Bad.”（师进一步输入）
T: We’d better not have bad food, or we may feel very terrible, we may have a stomachache. So we should say no to the bad food.
Ss: …
T﹠Ss:一同总结情态动词的基本用法。(师板书should / shouldn’t / must / mustn’t / had better / had better not +动词原形，生做笔记！)
设计意图：用简洁的语言和直观的图片进行师生问答，让他们用心观察，积极回答问题，为有效复习做好支撑。
Stage 2 Pre-listening
通过课文P45中1a右边的两幅图片，初步猜测文本信息。
T: Please open your book, turn to page 45, look at the picture in 1a. Who are they?
Ss: They are Kangkang and Miss Hu.
T: Yeah, there are also some questions on the blackboard. Please scan them, listen to 1a carefully, then finish them, clear?
Ss: Yes.
T: 课前已经板书三个由易到难的问题；
( )1. Can Kangkang’s father answer the phone?
A. Yes, he can. B. No, he can’t. C. No, he doesn’t.
( )2. When will Kangkang ring his father up?
A. An hour and a half later.