人教英语八年级上册 Unit2 Section B 1a-2e (共43张PPT).ppt

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1、Unit 2 How often do you exercise? Section B Period 1（1a2e） New words and phrasespercent n.online adj.television n.although prep.through conj.mind n.百分之百分之在线的；联网的在线的；联网的电视节目；电视机电视节目；电视机虽然；尽管；即使虽然；尽管；即使以；凭借；穿过以；凭借；穿过头脑；心智头脑；心智body n.such adj. & pron.such as together adv.die v. writer n. 身体身体这样的；那样的；类似

2、的这样的；那样的；类似的例如；像例如；像这样这样在一起；共同在一起；共同消灭；灭亡；死亡消灭；灭亡；死亡 作者；作家作者；作家milkMost people drink milk every day.How often do people eat / drink it?junk foodSome people never eat junk food. vegetablesMost people often eat vegetables. fruitMost people eat fruits every day.coffeeSome people drink coffee every day.

3、sleepI sleep eight hours every night.How many hours do you sleep every night?1. _ junk food 3. _ fruit 5. _ sleep2. _ milk 4. _ vegetables 6. _ coffeeMatch the words with the pictures.1aabcdefabecfd good for our healthbad for our health Ask and answer questions. Use the words from 1a. A: How often d

4、o you drink milk, Liu Fang? B: I drink milk every day. A: Do you like it? B: No. But my mother wants me to drink it. She says its good for my health.PAIRWORK1b junk foodonce a monthA: How often do you eat junk food?B: Once a month.A: Do you like it?B: Yes. But my mom says its not good for my health.

5、fruitevery dayA: How often do you eat fruit?B: I eat fruit every day.A: Do you like it?B: Yes. I like it very much. And its good for my health.Does Tina have good habits? Yes. No. I dont know.Does Bill have good habits? Yes. No. I dont know.Listen to an interview about two peoples daily habits. Circ

6、le your answer to each question.1cQuestions：1. How often do you exercise?2. How often do you eat fruit?3. How many hours do you sleep every night?4. How often do you drink milk?5. How often do you eat junk food?6. How often do you drink coffee?Listen again. Fill in the blanks in the survey.1dTinaBil

7、l_every dayevery dayhardly evernineevery daytwo or three times a weeknevernevernineneverthree or four times a weekfour times a dayPAIRWORKStudent A is the reporter. Student B is Tina or Bill. Ask and answer questions. Then change roles. A: How often do you exercise? B: I exercise every day. A: And h

8、ow often do you ?1eHow often do you ?How often do you ?2aRank these activities according to how often you think your classmatesdo them (1=most often, 6=least often). watch TV go to the movies play computer games exercise or play sports use the Internet go camping in the countryRead the article and m

9、ark True (T) or False (F).1. We found that twenty percent of our students exercise every day.2. Ninety percent of the students use the Internet every day.3. Most students use the Internet for homework.4. Only twenty percent of the students watch TV two or three times a week.5. Do exercise is healthy

10、 for the mind and the body.FTFFT2bRead the article and complete the pie charts on the next page.34 64 63152045209010851322cRead the article again and answer the questions.1. How many percent of the students do not exercise at all?2. How many percent of the students use the Internet every day?Twenty

11、percent of the students do not exercise at all.Ninety percent of the students use the Internet every day.3. How often do most students watch TV? What do they usually watch?4. What does the writer think is the best way to relax? Why?5. Do you think the students at No. 5 are healthy? Why or why not?Mo

12、st students watch TV every day. They usually watch game shows.The writer thinks exercise is the best way to relax because its healthy for the mind and body, and you can spend time with your friends and family as you play together.1. notat all 用于否定句，意为用于否定句，意为“根本不、根本不、一点也不一点也不”。如：如： It wasnt difficul

13、t at all. 这一点也不难。这一点也不难。 There was nothing to eat at all. 根本没什么可吃的。根本没什么可吃的。 To try and fail is better than not to try at all. 尝试而失败也比不尝试好。尝试而失败也比不尝试好。注：注：在否定句中，在否定句中，at all 可位于句末，可位于句末，也可跟在否定词后。如：也可跟在否定词后。如： He isnt tired at all. / Hes not at all tired. 他一点也不累。他一点也不累。 另外，在口语中单独说另外，在口语中单独说 not at al

14、l, 可用来回可用来回答感谢或道歉。如：答感谢或道歉。如： A：Thank you very much. 多谢你了。多谢你了。 B：Not at all. 不客气。不客气。 A：Im sorry to keep you waiting. 对不起，让你久等了。对不起，让你久等了。 B：Oh, not at all. 噢，没关系。噢，没关系。翻译下列句子：翻译下列句子：1. 我一点也没生气。我一点也没生气。2. 他们一点也不喜欢牛奶。他们一点也不喜欢牛奶。3. 休一点也不喜欢语文。休一点也不喜欢语文。 I am not angry at all.They dont like milk at all

15、.Sue doesnt like Chinese at all.- Do you mind if I turn on the TV? - _. My father is sleeping. (2011年年 重庆市中考重庆市中考)A. Better not. B. Not at all. C. No, I dont mind. D. Thats all right. Would you mind my taking this seat? _.（2010年巴中市年巴中市中考中考） A. Sorry, I cant B. No, not at all C. Its a pleasure AB2. a

16、t least 至少至少 例如：例如： We should brush our teeth at least twice a day. 我们每天应该至少刷两次牙。我们每天应该至少刷两次牙。 A good cigarette will smoke at least ten minutes. 一支好烟至少可以抽一支好烟至少可以抽10分钟。分钟。 反义短语反义短语：at most 至多至多3. although 虽然；尽管虽然；尽管 例如：例如： Although my uncle is old, he looks very strong and healthy. 我的叔叔虽然老了，但他看上去还是很

17、我的叔叔虽然老了，但他看上去还是很健壮。健壮。 注意：注意： although引导的从句不能与引导的从句不能与but, however连用，但可与连用，但可与yet, still连用。连用。_ he is ill, _ he goes to school. A. Although, but B. /, / C. Although, / D. But, althoughC although 表示表示“仍然仍然”，不能和，不能和but同时同时使用。使用。 Im not very strong, _ I usually exercise . A. because B. and C. although

18、C 前后意义有转折。前后意义有转折。4. It is + adj. to do sth. 干某事是干某事是例如：例如： It is interesting to play computer games. 玩电脑很有趣。玩电脑很有趣。 -It is very important _ make a plan before a new term. -Yes. You must try to make it carefully. A. of B. for C. toC5. spend v. 花费；消耗花费；消耗 例如：例如： How did you spend your summer vacation

19、? 你是如何度过暑假的？你是如何度过暑假的？ I spent 5 yuan on this book. 这本书花了我五十元。这本书花了我五十元。辨析辨析 take, spend, pay 例如：例如： It usually takes me half an hour to do my homework. 做作业通常花费我半小时的时间。做作业通常花费我半小时的时间。 Students often spend one and a half hours (in) doing homework. 学生们经常花一个半小时的时间做作业。学生们经常花一个半小时的时间做作业。 I paid 10 yuan f

20、or this book. 我买这本书付了十元钱。我买这本书付了十元钱。根据以上例句可知：根据以上例句可知： It takes sb. some time to do sth. 意为意为“花花费某人费某人时间来做某事时间来做某事”。 spend 的主语必须是人，而的主语必须是人，而spend on sth. 意为意为“买某物花了买某物花了钱钱”。spend +时间时间+(in) doing意为意为“花费多少时间来做某事花费多少时间来做某事”。可以与可以与it takes sb. some time to do sth. 来进行来进行句型转换。句型转换。 pay 的主语必须是人，而的主语必须是人

21、，而“花钱买某物花钱买某物”为为pay for。 It usually takes me a few minutes to make my bed. (改为同义句）改为同义句） I usually _ a few minutes _ my bed.spendmaking1. They spend too much time _ the report. A. writing B. to write C. on writing D. write 2. - Will you please _ for my dinner, Peter? - Sure! A. spend B. pay C. take

22、3. It will _ me too much time to read this book. A. take B. spend D. pay ABA4. She usually _ much time shopping in the supermarkets. A. spends B. takes C. pays5. He likes English. He spends lots of time _ (read) it every day. 6. It took Alice five minutes to finish reading the book. Alice _ five min

23、utes _ reading the book. Areadingspentin 百分数百分数用基数用基数+ percent表示表示 50 fifty percent百分之五十百分之五十 3 three percent百分之三百分之三 0.12 zero point one two percent 百分百分之零点一二之零点一二 这里的这里的percent前半部前半部per表示表示“每一每一”，cent这一后半部分表示这一后半部分表示“百百”，所以百分，所以百分之几中之几中percent不用复数形式。不用复数形式。百分比英语表示法百分比英语表示法2dAccording to the articl

24、e and the pie charts, write sentences with the percentages using always, usually or sometimes.1. 90%: _2. 85%: _3. 45%: _4. 10%: _5. 13%: _6. 2%: _Ninety percent of the students always use the Internet.Eighty-five percent of the students always watch TV.Forty-five percent of the students usually exe

25、rcise.Ten percent of the students often use the Internet.Thirteen percent of the students usually watch TV.Two percent of the students sometimes watch TV.2eChoose one of these free time activities or think of your own. Then ask your classmates how often they do this activity and make a pie chart. Show the pie chart to your class.play computer gamesread booksgo shoppingdraw picturesplay sportsHow often do you ?Names of classmates1-3 times a week4-6 times a weekevery day