八上英语Unit 2 课文讲解.doc

Unit 2 How often do you exercise?Section A (1a3c P9P11) 课文讲解1a. 根据汉语写出下列短语或单词：(P9)1. 帮忙做家务活：_ _ housework 2. 去购物：go _= do some shopping3. 看报纸：_ newspapers 4. 锻炼：_= play/do sports 5. 洗餐具：_ the _1b. 按频率的高低排序：(P9)100%（总是，一直）_80% （通常）_50%（经常）_20%（有时）_0%-1%（几乎不）_0%（从来不，绝不）_1c. 翻译下列句子：(P9) 1. 你在周末做什么？ What do you do _ _?2. 我通常看电视。 I _ watch TV. 3. 你去购物吗？ Do you _ _? 4. 不，我从来都不去购物。 No, I _ go shopping.2a. 完成下列句子：(P10) 1. 你多久看次电视？ _ _ do you watch TV? 2. 我一周看两次电视。I watch TV _ a week. 3. 我每天都读书。 I read _ _. 4. 我一个月看一次电影。 I go to the movies _ a month. 5. 我一周锻炼三次。 I exercise _ _ a week. 6. 我一个月购两次物。 I shop _ a month.=I go _ twice a month.2c. 翻译下列句子：(P10) 1. -你最喜欢的节目是什么？-动物世界。 -_ your _ program? -Animal World. = - What program do you _ _? （把上句改为同义句）-Animal World. 2. -你多久使用一次网？ _ _ do you use the _? 3. 一周两次。 _ a week.2d. 根据对话完成下列句子：(P10) 1. 你下周有空吗？ _ you _ next week? 2. 下周我安排得很满。 Next week is _ _ _me. 3. 为什么？（怎么会这样呢？） _ _? = Why ? （前者更加口语化） 4. 你正在学习什么类型的舞蹈？ _ _ _ dance are you dancing?5. 我得和朋友去打网球的。 I _ _ play tennis with my friends.Grammar Focus: (P11) 根据汉语完成句子： 1. 我一直锻炼。 I _ exercise. 2. 他们经常帮忙做家务。 They _ help _ housework. 3. 她有时候去购物。 She _ goes shopping. 4. 我大概一个月看一次电影。 I go to the movies _ once a month. 5. 他几乎不看电视。 He _ _ watches TV. 6. 不，我从来都不去购物的。 No, I _ go shopping.3a. 用助动词“do” 或 “does” 填空，完成相应的答语。(P11) 1. How often _ he play soccer? He plays _ _ twice a week. （他至少一周踢两回） 2. _ you drink milk? Yes, I do. _ _. （每天） 3. How often _ they _ _ _（熬夜很晚）？ _（从来都不）. They _ go to bed _.（他们总是很早睡觉）4. _Sue eat a _（健康的）breakfast? Yes. She _ does. （她通常都那样做）5. How often _ you eat apples? _ _（几乎不）. I dont like them.6. _ your parents play sports（做运动）？ No, they dont. Theyre _ _（太忙）.3b. 问答：(P11)1. 你多久帮忙做一次家务活？ _ _ do you _ _ housework?一周三四次。 Three _ four _ a week.2. 你通常在周末做什么？ _ do you _ do on _?我通常做作业。 I _ do my homework.3. 你最好的朋友多久锻炼一次？ _ _ _ your best friend _?他一周锻炼四五次。 He exercises _ or _ _ a week.4. 你通常放学后做什么？ _ do you _ do after school? 我通常打篮球。 I _ play basketball.Section B (1a-2b P12P14)课文讲解1b. 完成下列句子：(P12)但是我的妈妈想让我喝牛奶。她说牛奶对我的健康有益。But my mother _ me _ _ milk. She says its _ _ my _.2b. 根据课文完成下列句子：(P13)1. 第5高中的学生在他们的空闲时间干什么？ _ _ No.5 High School students _ in their _ _?2. 我们发现我们的学生当中只有15%每天锻炼。 We found that only fifteen _ of our students _ every day.3. 20%根本不锻炼。And twenty percent _ exercise _ _.4. 我们都知道许多学生经常上网。 We all know that many students often _ _.5. 我们很吃惊他们中的90%每天都在用互联网。 We _ _ that ninety percent of them _ the _ every day.6. 另外的10%一周至少用三四次。 _ _ ten percent use it _ _ three _ four times a week.7. 大部分学生使用网络只是为了玩而不是为作业。 _ students use it _ _ and not for homework.8. 我们关于看电视问题的答案也很有趣。 The answers _ our questions about _ television were also interesting.9. 尽管许多学生喜欢看体育节目，但是游戏类节目是最受欢迎的。 _ many students like to watch sports, game shows are _ _ _.10. 通过使用互联网或看游戏类节目来放松是好的，但是我们认为最好的放松是通过锻炼。 It is good _ _ by _ the Internet or _ game shows, but we think _ _ way _ _ is _ _.11. 锻炼例如做做运动是有趣的，当你和你的朋友、家人一起玩的时候你可以和他们度过（美好的）时间。 Exercise _ _ _ sports is fun, and you can _ time _ your friends and family _ you play _.12. 旧习难改。_ _ _ _.13. 所以在不是太坏之前开始锻炼吧。 So _ _ before its _ _.Unit 2 Section B 2b-Self Check2b. 根据课文完成下列百分比：(P14) （到课文2b里面去仔细找答案。）1. Exercise ： every day _% 4-6 times a week _% 1-3 times a week _% no exercise _%2. Use the Internet: every day _% 3-4 times a week_%3. Watch TV: every day _% 4-6 times a week _% 1-3 times a week _%2c 根据课文回答下列问题：(P14)1. _ _ （百分之多少）of the students do not exercise at all? （百分之多少的学生根本不锻炼？） What percent of = How many percent of 百分之多少. 答案：_%2. What percent of the students use the Internet every day? （百分之多少的学生每天使用互联网？） 答案：_%3. How often do most students watch TV? What do they usually watch? （大部分学生多久看次电视？他们通常看什么节目？） 答案：Most(85%) student watch TV_. They usually watch_.4. What does the writer think the best way to relax? Why? （短语：the best way to do做某事的最好方式） （作者认为最好的放松方式是什么？为什么？） 答案：The writer thinks the best way to relax is through _. Because it is_.5. Do you think the students at No.5 are healthy? Why or why not? （你认为在第五中学的学生健康吗？为什么或为什么不？） 答案：No，I dont think so. Because most of them use the Internet or watch TV every day. And some of them dont exercise at all. （固定短语：notat all 根本不，一点儿也不） 2d 根据课文，根据句子后面括号里的频率用 always, usually, sometimes 来完成句子。(P14)1. 90%: Ninety percent of the students _use the Internet. (every day)2. 85%: Eighty-five percent of the students _watch TV. (every day)3. 45%: Forty-five percent of the students _exercise. (four to six times a week)4. 10%: Ten percent of the students _use the Internet. (at least three or four times a week)5. 13%: Thirteen percent of the students _watch TV. (four to six times a week)6. 2%: Two percent of the students _watch TV. (one to three times a week)2e （略）3a. 根据表格填空：用正确的频率副词填空：always(100%), usually(70-90%), often(45-60%), sometimes(2030%), hardly ever(00.1%), never.(0%） (P15)Exercise365 （天） 365/365*100%=100%Read books365 365/365*100%=100%Watch TV for over 2 hours320 320/365*100%=87.7%Drink juice210 210/365*100%=57.5%Eat hamburgers95 95/365*100%=26.02%Help with housework20 20/365*100%=0.05%Stay up late 15 15/365*100%=0.04%Go to the dentist 去看牙医0 0/365*100%=0% Jane is a _（16岁的）high school student in the US. .asked her about her habits. Jane has a lot of good habits. She _ exercises and she reads books _.Also, she _drinks juice and she _watches TV for more than two hours a day, and she _eats hamburgers. Her parents are not very happy because she _helps with housework and she _goes to the dentist for _ _（洗牙）. She says she is afraid.Self Check3. 根据上下文填空：(P16)A: What do Tom and Mike _do on weekends?B. They sometimes go to the museum.A: _ do they go to the shopping center?B: _ever. Maybe about twice a month.A: _ do they watch TV?B: Mike never watches TV, but Tom watches TV _day.A: Oh, Im just like Tom.（我和Tom很像） I _ watch TV, too.课后巩固练习单项选择（15分）( )1. _do you write to your parents? - Twice a month. A. How often B.How many C. How long D. How soon( )2. We dont have _ to buy this sweater, although the sweater is_ A. enough money, good enough B.enough money, enough goodC. money enough, well enough D. enough money, well enough( )3. Some wild animals are in danger _ the loss of living areas . A. as B. since C. because of D. because( )4. -_students from Beijing are there in your class？ Only one. A. How often B. How many C. How much D. How ( ) 5. Its very dangerous _ in the river alone. A. swim B. swimming C. to swim D. swims( ) 6. Please keep quiet,_! I have_ to tell you. A. everyone, anything important B. anybody, something importantC. everyone, important everything D. everyone, something important( )7. I think walking is_ our health. A. good at B. bad at C. well in D. good for ( ) 8.Tom _ watch TV after supper _ last night. A. wasnt; onB. didnt; onC. doesnt; in D. didnt; /( )9. -Is that your grandpa ? -Yes, although he is very old _ he works very hard.A. and B. butC. /D. so( ) 10.I dont feel like _ very much tod