八年级英语第一单元练习及知识扩展

1、Unit1 How often do you exercise?重难点讲解及练习1. How often do you shop? 疑问词how的用法(1) 怎样，用什么手段，方法/交通工具How are you? / How is she?How did he do it? / I dont know how to swim.How do you come to school?(2) 情况如何（指身体健康状况） How are you?(3) how many，how much表示“多少”how many后接可数名词复数，how much接不可数名词。How many times do yo

2、u go to the park?How many pens do you want?How much water do we drink every day?How much are those pants?(4) how often是对动作发生的“次数”提问,询问的是频率“多久一次”回答可以是：Every day. / Once a week. / Three times a week. / Often. / .How often do you play tennis?How often do you surf the Internet.(5) How old.? 询问年龄 How old

3、 are you? I am five.(6) How about? 如何？ 怎么样？ How about going to the movies?练习：选择how, how many, how much, how old, how about, how often填空。(1). _ is your mother? Shes fine, thanks.(2). _ do you watch TV?(3). _ apples do you have? Three.(4). _ are these pants? Theyre two dollars.(5). Im free this aftern

4、oon. _ going for a walk?2. Some students do homework three or four times a week.time表示不可数名词，意为“时间”。表示可数名词，意为“次数，倍数”What time is it?I go to the movies three times a week.注意“次数”的表达方法一次 once， 两次 twice，三次或三次以上用基数词加上times：three times、five times、one hundred times. 表示“几次”的表达方法是：once a day/ a week/ a month/

5、 a yeartwice a day/ a week/ a month/ a year练习：选择填空(1). _ is it? Its three oclock.A. What B. How C. What time D. Why(2). How often do you go shopping? Three _ a week.A. time B. times C. twice D. a lot3. How often do you shop?/How often do you exercise?exercise v/n shop v/ nHe often exercises on weeke

6、nds.We often do / take exercise on weekends.1We often shop on weekends.There are many shops in the neighborhood.练习：用所给单词的适当形式填空。(1). Do you do moring _ (exercise) every day?(2). He needs _(exercise) more.(3). How about go _ (shop) with me?(4). Look! There is a clothes _ (shop) there.4. As for homewo

7、rk, most students do homework every day.as for意为“就而论”，“至于”As for fruit，I eat it sometimes.As for him，I never want to see him here.至于他，我永远不希望在这里见到。练习：根据汉语提示填写单词。(1). _(至于，关于) clothes, she likes clothes in fashion.5. My mother wants me to drink it.want to do sth. 想要做某事want sb. to do sth. 想要某人干某事Do you

8、 want to go to the movies with me？你想和我一起去看电影吗？I want you to help me with my math.我想要你帮我学数学。有很多动词后面用这种结构做动词的复合宾语：ask sb. to do sth. 叫某人做某事tell sb. to do sth. 告诉某人去做某事help sb. (to) do sth. 帮助某人做某事练习：单选(1). His mother wants him _ at home today.A. stays B. stayed C. to stay D. staying6. She says its goo

9、d for my health .be good for.表示“对有益（有好处）”其反义为：be bad for. 对有害/无益It's good for us to do more reading. 多读书对我们有好处。Drinking milk is good for your health.喝牛奶对你的健康有益。Reading English is good for studying English.对英语对学习英语有益/有帮助。 Reading in bed is bad for your eyes.在床上读书对你的眼睛有害。练习：单选(1).(2011乌鲁木齐) 1 thin

10、k drinking milk is good _ our health.Afor B. to C. with D. at7. usually when I come home from schoolWhen + 从句 当时候I often stay at home when it is rainy.练习：完成句子。(1). 下雪的时候你经常做什么？_ do you usually do _ it is snowing?28. I try to eat a lot of vegetables. try to do sth. 尽量/尽力做某事Ill try to learn English we

11、ll. 我会尽量尝试学好英语的。You must try to take more exercise. 你必须尽量多做运动。练习：单选(1). He must _ his sister with her math.A. try help B. trying to help C. trys to help D. try to help9. I look after my health. look after 照顾My brother is ill. I have to look after him today.我的弟弟病了。我今天不得不照顾他。 All the students must loo

12、k after the desks and chairs. 所有的学生必须照看好课桌椅。 He often helps his mother look after his little sister.他经常帮助他的妈妈照顾他的小弟弟。 练习：单选(1). (2011广西) Grandma is ill. I have to _ her at home.A. look for B. look up C. look at D. look after10. My healthy lifestyle helps me get good grades.Good food and exercise hel

13、p me to study better.help sb.(to) do sth.帮助某人做某事She often helps me learn math. 她经常帮助我学数学。练习：同义句转换。(1). He often helps me with my homework.He often _ me _ _ my homework.11. Is her lifestyle yours or different?Is her lifestyle the same as your lifestyle or is her lifestyle different from your lifestyl

14、e ? 她的生活方式和你的一样或是不同？be the same as / be different from 与一样/与不同She looks the same as her sister. 她看起来跟她的妹妹很像。This book is different from that one. 这本书跟那本书不一样。练习：单选(1). Is her lifestyle the same _ yours or different?A. as B. in C. at D. to12. I think Im unhealthy. 我想我有点不健康。kind of = a little a kind of

15、 一种练习：单选(1). How many _ medicine are used for the children of six years old?A. kind of B. kinds of C. kind D. kinds13. So maybe Im not very healthy.maybe (adv.) = perhaps 也许，可能 Maybe he knows the answer.Maybe theyll go skateboarding. He may know the answer.练习：单词拼写(1). Where is Tom? _(或许) he is in th

16、e library.14. So maybe Im not very healthy, although I have one healthy habit.although = though 虽然 Although hes ill, he goes to school on time.虽然他生病了，但他还是准时上学。She eats a lot of chocolate, although she is very fat. 虽然她很胖，但她却吃许多的巧克力。 练习：单选3(1).(2011 湖南)_Nanyue is a small town, we can see many tourists

17、 who come from different parts of the world there.A. Because B. Unless C. Although(2).(2011广州) _they are very tired, they feel happy because theyve finally finished their project.A. So B. Although C. If D. But(3).(2011海南)_ the work is difficult, all the workers are keeping on working .A. But B. Alth

18、ough C. And D. So15. A lot of vegetables help you toA lot of = lots of = many / much 许多keep in good health = keep healthy = stay healthykeep + 形容词 表保持某种状态Keep quiet! The baby is sleeping.那婴儿正在睡觉，保持安静！We must keep our classroom clean.我们必须保持我们的教室干净。练习：用单词的正确形式填空。(1). You must keep _ (quiet).(2). We sh

19、ould eat more fruit to keep _(health).16. He sometimes watches TV.注意sometimes与几个形似的词的区别。(1) sometime是副词，意为“在某个时候”，“某时”Will you come again sometime next week?下周的某个时候你会再来吗？She was there sometime last year.她去年某时去过那。(2) some time是名词词组，意为“一段时间”，做时间状语用I will stay here for some time.我将在这呆一段时间。He worked for

20、 that company for some time.他为那家电脑公司工作了一阵子。(3) some times是名词词组，意为“几次，几倍”I met him some times in the street last month.上个月我在街上遇到他好几次了。The factory is some times larger than that one.这间工厂比那间大好几倍。（4）sometimes 是频度副词，意为“有时”He sometimes goes skateboarding on weekends.他有时周末去滑滑板。练习：用sometime,sometimes,some t

21、ime,some times填空。(1).I saw him _ last summer.(2).He _ writes to me and I _ call him.(3).I havebeen to Hainan _.(4).My father will stay in Beijing for _.17. That sounds interesting.sound（听起来），look（看起来），smell（闻起来），taste（尝起来），feel（觉得），seem（好象）grow（变得）,get（变得）等词在英语中可用作系动词，后跟形容词作表语。It tastes good. 这味道好。T

22、he music sounds very sweet. 这音乐听起来很入耳。练习：单选（1）His voice ( )a girl's.A.look like B.sound like C.sounds like D.sounds4第一单元是How often do you exercise问频率1. How often do you exercise? Once a day.2. What does she usually do on weekends? She usually watches TV.3. How many hours do you sleep every dayl1

23、. 表频率副词：always, usually, often, sometimes, hardly ever, never2. once a week 一周一次， twice a year 一年两次 three times a week 一周三次 four times a month 一个月四次3. all, most, some, no4. be good for sth./ doing sth. 对什么有益 be bad for sth./ doing sth. 对什么有害5. want to do sth. 想要做某事 want sb. to do sth. 要某人做某事6. as fo

24、r 至于7. try to do sth. 尽量做某事8. of course = certainly = sure 当然9. look after = take care of 照顾10. keep healthy=stay healthy 保持健康11. exercise = take exercise = do sports 锻炼12. although = though 虽然13. be the same as 与什么相同 be different from 不同14. how often 多久一次15. most of the students = most students16.

25、get good grades 取得好成绩17. some advice 中的 advice 是不可数名词18. keep/ be in good health 保持健康19. shop = go shopping = do some shopping 购物20. surf the internet 上网21. a lot of = lots of 许多22. health n. healthy adj. healthily adv., unhealthy adj.23. different adj. difference n. 可数第二单元是What's the matter Nin

26、e hours1. 看病用语 Whats the matter (with sb.)? 怎么了？= Whats the trouble (with sb.)?= Whats wrong (with sb.)? = Is there anything wrong (with sb.)? Im not feeling well. 我觉得不太舒服。= Im feeling ill/ sick. = I feel terrible/ bad.= I dont feel well I have a stomachache 我胃痛 = I have got a stomachache = There is

27、 something wrong with my stomach= My stomach hurts = I have (got) a pain in my stomach When did it start?什么时候开始的？ You should drink more water. 表建议 You shouldnt eat more.2. Thats a good idea. 好主意。 Thats too bad. 太糟糕了。3. I have no idea. = I dont know. 我不知道。4. Im sorry to hear that. 听到此事我很难过l1. 身体各部位名称

28、 P7 1a2. 情态动词should 与 shouldnt 表建议3. have a cold/ stomachache/ toothache/ fever/ sore throat4. see a dentist/ doctor5. soon 一会儿6. feel 觉得，get 变, stay 保持, keep 保持， sound 听起来是系动词，常和形容词连用。如：feel happy, get tired, stay / keep healthy7. lie down 躺下8. for example 例如9. too much 太多+不可数名词 too many 太多+可数名词 mu

29、ch too 太+形容词10. stressed out 压抑；筋疲力尽11. Its + 形容词 + to do sth. 做某事怎么样。12. a few 一些，修饰可数名词 a little 一些，修饰不可数名词 few 少许，修饰可数名词，表否定 little 少许，修饰不可数名词，表否定13. at the moment = now 此刻，常和现在进行时连用14. neck and neck 并驾齐驱，齐头并进15. I think so. 我认为如此。16. tooth n. 复数形式 teeth 第一单元是How often do you exercise问频率1. How of

30、ten do you exercise? Once a day.2. What does she usually do on weekends? She usually watches TV.3. How many hours do you sleep every dayl1. 表频率副词：always, usually, often, sometimes, hardly ever, never2. once a week 一周一次， twice a year 一年两次 three times a week 一周三次 four times a month 一个月四次3. all, most,

31、some, no4. be good for sth./ doing sth. 对什么有益 be bad for sth./ doing sth. 对什么有害5. want to do sth. 想要做某事 want sb. to do sth. 要某人做某事6. as for 至于7. try to do sth. 尽量做某事8. of course = certainly = sure 当然9. look after = take care of 照顾10. keep healthy=stay healthy 保持健康11. exercise = take exercise = do sp

32、orts 锻炼12. although = though 虽然13. be the same as 与什么相同 be different from 不同14. how often 多久一次15. most of the students = most students16. get good grades 取得好成绩17. some advice 中的 advice 是不可数名词18. keep/ be in good health 保持健康19. shop = go shopping = do some shopping 购物20. surf the internet 上网21. a lot of = lots of 许多22. health n. healthy adj. healthily adv., unhealthy adj.23. different adj. difference n. 可数第二单元是What's the matter Nine hours1. 看病用语 Whats the matter (with sb.)? 怎么了？= Whats the trouble