1、Unit 2 How often do you exercise第四课时 Section B（3a 4） 【学习目标】掌握本课的生词、短语、句型 理解本课的主旨大意来对本课的内容进行归纳、对话改写、及仿写。 。【学习重难点】学会用一般现在时写调查报告。掌握本课的生词、短语、句型对本课的内容进行归纳、改写、及仿写。【课前准备】教师准备主情景图的教学挂图。 教师为制作多媒体课件，在网上搜索相关资料。教师准备磁带和录音机。【学习过程】温故互查学生自学新单词（教材 P15-16 的单词） ，看谁记得又快又准。 （2 分钟）1. 牙科医生 比2. 杂志；期刊 较少；更少的然而；不过 点；得分【新词自查】
2、根据句意及首字母或汉语提示填词。1. I have a toothache, so I have to see _(牙医)2. What are you doing? Im reading a _(杂志)about teenagers.3. I think there is going to be _(更少的) pollution (污染)4. Look, our team has got 10 _(分数). We will win the game.5. How many birds can you see? Let me count. One, two , oh,_(多于) ten. 设问
3、导读Step 1 情景导入Teacher: How often do you eat junk food? Students: _Teacher: How often do you exercise? Students: _Teacher: Is your lifestyle healthy or unhealthy?环节说明：通过复习，学生回想平时所做的运动以及频率，从而达到顺利导入新课的目的。Step 2 完成教材 3a-4 的任务【操作案例】1观察 3a 表格，快速阅读短文，完成 3a 的任务。 （4 分钟）2. 完成教材 3b 的任务，让学生根据实际情况进行练习。 （5 分钟）3. 根
4、据自己的情况参考 3a 部分写一下自己的好习惯与坏习惯，完成 3c 的任务.4. 完成教材“4”的任务。自我检测假如你是李磊，你经常锻炼，有很多好习惯，并根据提示词写一篇短文。提示词： exercise, favorite sport, play basketball, three or four times a week, eat, a lot of fruit and vegetable, be good for, health, sleep, nine hours a day, habit._环节说明：首先让学生仿写，然后让学生自己写。呈现出了由句到文循序渐进的过程。巩固训练练习I、选择
5、正确答案填空。（ ）1. Her father _ time. A. usually waste B. never wastes C. hardly ever waste D. always wasting（ ）2. A: How often does Lara play the trumpet? B: _ once or _ a week, Im not sure. A. May be, twice B. Maybe, twice C. Maybe, two times D. May be, two time（ ）3. A: Ill give the boys _ to eat. B: Oh
6、, I know fish and salad. A. something healthy B. healthy something C. anything healthy D. healthy anything（ ）4. What _ the differences between your habit and _? A. are, hers B. is, his C. does, her D. do, his（ ）5. A: _ do you write to your parents? B: Once a month. A. How often B. How long C. How much D. How many
