人教课标版八年级英语上册Unit 2 How often do you exercise? Section B（1a-1e）教案

（Unit 2 How often do you exercise ）
Period 3 Section B（1a-1e）
Teaching aims（教学目标）
1．能够区分健康食品和不健康食品。
2．养成健康的生活方式并自觉抵制不健康的生活方式。
Language points（语言点）
1.要求掌握以下句式： How often do you drink coffee/milk
I drink milk every day.
It’s good for my health.
Junk food is bad for health.
How many hours do you sleep every day
2．要求掌握以下词汇及短语：
Junk food, coffee, health, be good for, be bad for, have good/bad habits, want sb to do sth
Difficulties（难点）：区别什么是健康的食物及饮食习惯
Teaching steps（教学步骤）
1. Brainstorm & lead in
T: Food is very important in our everyday life. Name as many different kinds of food and decide whether they are healthy or unhealthy.
healthy food unhealthy food
milk coffee
(教师把各组同学说出的食物单词板书在黑板上，按照类别分为健康食物和不健康食物两大类)
教学设计说明：通过头脑风暴把学过的关于食物的词汇汇总出来，同时引出生词milk & coffee为下一步讨论打下基础。
2. Work on 1a
T: Look at pictures on page12 and match the words with the pictures.
1.____ junk food 2. _____ milk 3. _____ fruit
4. _____ vegetables 5. _____ sleep 6. _____ coffee
Check the answers.
Answers: 1. b, 2. a, 3. e, 4. c, 5. f, 6. d
教学设计说明：有了课前的头脑风暴，这些有关食品的短语已经会了，这一步对于学生来说很简单，所以直接和学生一起对答案。
3. Work on 1b
Pairwork: Get into pairs and ask and answer questions in pairs, using the words from 1a
A: How often do you drink milk
B: I drink milk every day .
A: Do you like it
B: No. But my mother wants me to drink it. She says it’s good for my health.
教学设计说明：通过讨论1-6种食物的好坏，这种半控制的对话练习可以降低难度，又达到巩固运用重要句型的目的。
4.Work on 1c & 1d
T: Listen to an interview about two people’s daily habits. Circle your answer to each question.
Does Tina have good habits Yes. No. I don’t know.
Does Bill have good habits Yes. No. I don’t know.
(教师放录音，教师可以在放完一遍录音以后订正答案)
Listen again. Fill in the blanks in the survey.
Questions Tina Bill
How often do you exercise every day
How often do you eat fruits
How many hours do you sleep every night
How often do you drink milk
How often do you eat junk food
How often do you drink coffee
教学设计说明：听并完成任务不容易，如果不要可以再放一遍录音，会的同学跟读，没得到答案的再听一遍，各个层次的同学都有收获。
5. PairworkT: Get into pairs and answer and answer questions. Then change roles.
S1: How often do you exercise
S2: I exercise every day.
S1: And how often do you …
Have some pairs present their conversations to the class.
教学设计说明：进一步巩固本节课所学内容，改编听力内容让学生听完能够根据自己理解和听的内容填写所缺的词（都是本节课的重要词汇）。
6. Homework
Oral:
Listen, then read the conversation aloud.
Written:
Write a short paragraph about Tina’s eating habits.
教学设计说明：课后充分利用现有资源进行学习，模仿磁带是最方便有效的方法。在课上模仿介绍Bill 生活方式的基础上介绍独立介绍Tina 的生活方式。
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