单元 名称	Unit 1 How often do you exercise?			课时安排	第四课时
教学目标	1．能够谈论关于自己和他人健康方面的话题并恰当运用频率副词和短语。 2．学习完成任务所需要的语言： 1) 词汇：habit, try, of course, look after, lifestyle, grade, better, same, as, different, difference, unhealthy, yuck, maybe, although 2) 句子：Is her lifestyle the same as yours or different? What are the differences? 　　　　I try to eat junk food only once a week.               My healthy lifestyle helps me get good grades.                So maybe I'm not very healthy, although I have one healthy habit. 3. 完成课本第5页3a, 3b, 3c和 4 的教学任务。
教学 内容	环节 突出	教师活动	学生活动
复习 回顾	板书单词unhealthy	1. Hello, boys and girls. Nice to see you again. Did you read the listening part aloud after class? 在课后你大声朗读听力材料了吗？Do you remember Katrina and Bill? Ｗho is healthy？ Yes. Because she eats a lot of healthy food．Then what is healthy food? Very good. And what is unhealthy（手指板书） food? What is junk food? Yes. And coffee is also unhealthy drink.    2. So we must eat healthy food. What else should we do if we want to keep healthy?	1. Katrina!   Milk, vegetables, fruit   Junk food！ Cola, chocolate, chips ...    2. S1: We should often exercise. S2: We should have enough sleep.
导入新课	板书 表格                   板书单词eating habits 板书单词lifestyle 板书单词try 板书单词look after   板书单词better 板书单词of course 板书单词grade                                 板书单词the same as 板书单词different 板书单词difference .         板书单词maybe 板书单词although             板书单词全部	１.   Well done! An interviewer asked Katrina and Bill some questions. Here are the results. Let's look at the form on the blackboard.   Katrina Bill Exercise Every day Hardly ever Vegetables Ten or eleven times a week Twice a week Fruit Every day Never Sleeping time Nine Nine milk Every day never Junk food Once a week Three or four times a week Coffee never Four times a day S1, if you are Katrina, could you say something about yourself?       2．Excellent! Katrina is healthy because she has good eating habits (手指板书单词) and exercises every day. So we can say she has a healthy lifestyle (手指板书单词). She loves junk food but she only tries (手指板书单词) to eat it once a week. So we can say she looks after (手指板书单词) her health. I'm sure Katrina is energetic and studies well. She must study better (手指板书单词) than Bill. Of course (手指板书单词), she can get good grades (手指板书单词). Understand me? Now let's read the new words together.           3．This time S2 is Katrina. Tell us your lifestyle. Try to use the words here. OK?                   Excellent! Let's give her/him a big hand.（鼓掌）     4．Now let's look at Bill. Is Bill the same (手指板书单词) as Katrina? No. they are different. (板书单词) There are many differences (手指板书单词) between them. I think Bill is kind of unhealthy. Read the new words after me.     5. S5, Suppose you are Bill—Of course, I hope you are not—please tell us your lifestyle.                 Very good! Maybe Bill should change his lifestyle.   6. Now can you read all the new words on the blackboard now? Try, please. Now I will ask some of you to read for us.	1. OK. I am Katrina. I exercise every day. I eat vegetables ten or eleven times a week and I eat fruit and drink milk every day. Because they are good for my health. I sleep nine hours every night. I love junk food but I only eat it once a week. I never drink coffee. So I am very healthy.                   2. 跟读单词。               3. S2: I am Katrina. I exercise every day. And I have good eating habits. I eat vegetables ten or eleven times a week and I eat fruit and drink milk every day. I sleep nine hours every night. Of course, I love junk food but I only eat it once a week. I never drink coffee. So you can see I have a healthy lifestyle. I look after my health because I want to study better and get good grades. (掌声)       4. No.     跟读单词。       5. S5: I am Bill now. I hardly ever exercise. I don't like eating fruit and vegetables. So I eat vegetables twice a week and never eat fruit. I don't  like milk, either. I love junk food so I eat it three or four times a week. I love drinking coffee, too. I drink it four times a day. I am kind of unhealthy, but I have one healthy lifestyle. I have enough sleep every night. I sleep nine hours a day.        6. 学生试读所有单词。
3a		1. Open your books and turn to page 5. Look at 3a. It's a letter from Katrina to her pen pal. Please read it aloud yourselves.   ２. S4, read it, please. Very good.   3. Now let's answer the questions. a)  How often does she exercise? b)  How often does she drink milk? c)   Does she eat junk food very often? d)    Do you think she has a healthy lifestyle? Why or why not?   e)  Is her lifestyle the same as yours or different? What are the differences?	1. 学生们各自读3a部分。     2. S4 reads the letter.   3. She exercises every day. She drinks milk every day. No, she doesn't.   Yes. Because she exercises every day, eats healthy food and have enough sleep. It's different. I eat junk food every day.
3b		1．Now let's do 3b. You may look at the form on the blackboard, or look at your answers in 2b.   2．Before we check the answers, can you tell me the new words you meet in the letter？ Yuck is an interjection. When we use this word, It means we are not very happy. Yuck 是一个感叹词，表示反感、厌恶，可以译作“哎，呸”。 Read after me.   3．OK. Who can read it for us?                 Very good. Read it again, please.	1. 完成填空任务。     2. Yuck.       Yuck!     3. Ｓ1: ... and I think I'm kind of unhealthy. I hardly ever exercise. I eat vegetables twice a week, but I never eat fruit. And I don't like to drink milk. Yuck! I love junk food and eat it three or four times a week. I love to drink coffee, too. So maybe I'm not very healthy, although I have one healthy habit. I sleep for nine hours every night. S5 reads again.
4	P81 调查表格	1．Now turn to page 81. Can you see three questions here？S6, Read the questions.         2．Right. Now write down another five questions about health. Think of your own questions. S2, would you like to read your questions?             Excellent！Keep your own questions. Now you can ask three students those questions and take the notes. Let's begin! （老师在教室内巡视）No Chinese!     3. OK. Who did you interview，S６? Who do you think is the healthiest?   Quite good.	1. S6: How often do you exercise? What sports do you play? How often do you eat vegetables?     2. 学生写出自己想问的5个问题。 Ｓ2: Do you like tomatoes and potatoes? How often do you eat apples? Do you often go to KFC or McDonald's？ How often do you eat junk food？ Do you go to sleep early and get up early?   学生开始相互问问题       3. S6: S1, S2 and S3. S6: I think S2 is. She eats lots of fruit and vegetables and never eats junk food. And she goes to sleep early and gets up early to do morning exercise.
S   U   M   M   A   R   y	板书	We've learned many new words today. Let's read them together. S6, read them again, please.	学生齐读板书单词部分。 S6 reads the words again.
H   O   M   E   W   O   R   k		You homework today is 3c. How healthy are you? Write about your own habits. It was nice leaning English with you. Goodbye, everyone.	Bye-bye!
板书设计	Unit 1 How often do you exercise? (IV)     Katrina Bill Exercise Every day Hardly ever Vegetables Ten or eleven times a week Twice a week Fruit Every day Never Sleeping time Nine Nine milk Every day never Junk food Once a week Three or four times a week Coffee never Four times a day   unhealthy adj. 不健康的    the same as 和……一样 eating habits 饮食健康    different adj. 不同的 lifestyle n. 生活方式      difference n. 不同点 try v. 试图，尽力         maybe adv. 也许，大概 look after 照顾，关注     although conj. 即使，虽然 better adj. 更好，较好 of course 当然 grade n. 成绩，分数