人教八年级上册第二单元Section B1a—2e(共30张PPT).ppt

Unit 2 Section B Period 1（1a2e） What do you eat every day?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.How often do you ?How often do you ?New words and phrasespercent n.online adj.television n.although prep.through conj.mind n.百分之在线的；联网的电视节目；电视机虽然；尽管；即使以；凭借；穿过头脑；心智body n.such adj. & pron.such as together adv.die v. writer n. 身体这样的；那样的；类似的例如；像这样在一起；共同消灭；灭亡；死亡 作者；作家2aRank these activities according to how often you think your classmates do 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 mark 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 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 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?Most 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“根本不、一点也不”。如： It wasnt difficult at all. 这一点也不难。 There was nothing to eat at all. 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。注：在否定句中，at all 可位于句末，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。 另外，在口语中单独说 not at all, 可用来回答感谢或道歉。如： A：Thank you very much. 多谢你了。 B：Not at all. 不客气。 A：Im sorry to keep you waiting. 对不起，让你久等了。 B：Oh, not at all. 噢，没关系。翻译下列句子：1. 我一点也没生气。2. 他们一点也不喜欢牛奶。3. 休一点也不喜欢语文。 I am not angry at all.They dont like milk at all.Sue doesnt like Chinese at all.- Do you mind if I turn on the TV? - _. My father is sleeping. (2011年 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年巴中市中考） A. Sorry, I cant B. No, not at all C. Its a pleasure AB2. at least 至少 例如： We should brush our teeth at least twice a day. 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10分钟。 反义短语：at most 至多3. although 虽然；尽管 例如： Although my uncle is old, he looks very strong and healthy. 我的叔叔虽然老了，但他看上去还是很健壮。 注意： although引导的从句不能与but, however连用，但可与yet, still连用。_ he is ill, _ he goes to school. A. Although, but B. /, / C. Although, / D. But, althoughC although 表示“仍然”，不能和but同时使用。 Im not very strong, _ I usually exercise . A. because B. and C. althoughC 前后意义有转折。4. It is + adj. to do sth. 干某事是例如： It is interesting to play computer games. 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 例如： How did you spend your summer vacation? 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。辨析 take, spend, pay 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。 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。 I paid 10 yuan for this book. 我买这本书付了十元钱。根据以上例句可知： It takes sb. some time to do sth. 意为“花费某人时间来做某事”。 spend 的主语必须是人，而spend on sth. 意为“买某物花了钱”。spend +时间+(in) doing意为“花费多少时间来做某事”。可以与it takes sb. some time to do sth. 来进行句型转换。 pay 的主语必须是人，而“花钱买某物”为pay for。 It usually takes me a few minutes to make my bed. (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 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. (2009 宿迁)6. It took Alice five minutes to finish reading the book. Alice _ five minutes _ reading the book. Areadingspentin 百分数用基数+ percent表示 50 fifty percent百分之五十 3 three percent百分之三 0.12 zero point one two percent 百分之零点一二 这里的percent前半部per表示“每一”，cent这一后半部分表示“百”，所以百分之几中percent不用复数形式。百分比英语表示法2dAccording to the article 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 exercise.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 sports