初二上冊(cè)英語第二單元知識(shí)點(diǎn)歸納

1、初二上冊(cè)英語第二單元知識(shí)點(diǎn)歸納Unit2 How often do you exercise?知識(shí)點(diǎn)講解1 . How often do you exercise ?你多久鍛煉一次？【解析】本句是含有特殊疑問詞 how often的特殊疑問句。how often多久一次，用于對(duì)動(dòng)作發(fā)生的頻率進(jìn)行提問?；卮饝?yīng)該是頻度副詞或表示頻率的詞 組，如 always , usually , often , sometimes, hardly , ever, never, every day, once a week, three times a day .等。Eg. How often do you go

2、 to the movies?你多久去看一次電影？ Once a week. 一周一次。how often:多久一次，用來提問在某一特定時(shí)間內(nèi)進(jìn)行某個(gè)動(dòng)作的次數(shù)，答語有 never, sometimes, often, usually, always, three times a year等。how long:多長時(shí)間，用來對(duì)“for + 一段時(shí)間”提問，強(qiáng)調(diào)時(shí)間的延續(xù)，其謂語 動(dòng)詞應(yīng)為 延續(xù)性動(dòng)詞；止匕外，還可用于詢問物體的長度。how soon:需要多長時(shí)間，過多久才對(duì)“ in+一段時(shí)間”或"，"since+時(shí)間段+ago”等時(shí) 間短語提問，答語有in a week/

3、month/ year 等。how far ：多遠(yuǎn)，用來詢問距離，答語常用“數(shù)字 + miles/ kilometers ”等。由how形成的特殊疑問詞,基本用法由how形成的特殊疑問詞很多，具體提問內(nèi)容不同，主要有：1. how often提問事情發(fā)生的頻率。How often do we do this?我們多長時(shí)間做一次這事？2. how long提問事情持續(xù)時(shí)間的長短。How long have you had it?你有這個(gè)毛病有多久了 ？3. how soon意為“還要多久”，是對(duì)從某個(gè)基本時(shí)間到將來某動(dòng)作結(jié)束或某動(dòng)作發(fā)生這段時(shí)間提問常用在一般將來時(shí)態(tài)的句子中。How soon c

4、ould you get back to me?你多快能給我回話呢？4. how fast提問多快。How fast can this car go?這車能跑多快？5. how many 提問可數(shù)名詞的數(shù)量多少 。But how many of us achieve all these goals?但是我們中有多少人實(shí)現(xiàn)了所有這些目標(biāo)呢？6. how much 提問不可數(shù)名詞的數(shù)量多少以及詢問價(jià)錢；當(dāng)詢問價(jià)格時(shí)，后面一定是跟物品而非價(jià)格，如 How much are the shoes?How much money do you owe him?你該他多少錢？7. how far提問距離多遠(yuǎn)。

5、How far can you chunk a pumpkin?你能把一個(gè)南瓜扔多遠(yuǎn)呢？知識(shí)小總結(jié)：一3） how often表示“多久一次”，是對(duì)動(dòng)作的頻率進(jìn)行提問。其回答通常有:頻率副詞： always, usually, often, sometimes, hardly ever, never how often . 次數(shù) 十 時(shí)間段： 如：once or twice a weekevery+時(shí)間段：every day （每天）區(qū)別：everyday （每天的；日常的）注意：表示“一次或兩次”時(shí)，一般用 once和twice表示。如：once a month（ 一個(gè)月 一次）times”

6、 結(jié)構(gòu)。如： five times a year (如：how many programs 如：how much coffee而表示“三次或以上”時(shí)，則用“數(shù)詞+年五次）4） 由how構(gòu)成的疑問詞組的用法（1） “ howmany+可數(shù)名詞復(fù)數(shù)I h how much壞可數(shù)名詞。但how much=what' s the price of.? 還有“多少錢”的意思 如： How much are those pants?(2)how many times:“多少次”.其答語表示次數(shù)。如： once ,twice , three times等(3) How old.? 詢問年齡 如：Ho

7、w old are you? I am five.(4) “ how(多久(時(shí)間) 常用 for two days , for three hours等回答。多長(某物的長度) 如：-How long is the river? -10 kms.(5)how soon用來詢問過多久，多久以后，其答語是in two hours , in three days 等。如：How soon wil he come back ? In an hour 。【解析】 exercise v 鍛煉=do sports= play sports【短語】take /have/do exercise 做運(yùn)動(dòng) do m

8、orning exercise 做早操do eye exercise 做眼保健操【拓展】exercise作名詞時(shí)，意為“鍛煉；運(yùn)動(dòng)”時(shí)是不可數(shù)名詞，意為“體操；練習(xí)”時(shí) 是可數(shù)名詞。例如：I should eat less food and take more exercise.我應(yīng)該少吃飯，多鍛煉。We do morning exercise every morning.我們每天早上都晨練。2. help with housework幫助做家務(wù)(1) help with sth. 意為“幫助做某事”拓展：help sb. with sth.= help sb. (to) do sth.幫助某

9、人做某事Eg: I often help him with his English.= I often help him (to) learn English.我經(jīng)常幫他學(xué)習(xí)英語。(2) housework意為“家務(wù)勞動(dòng)”。不可數(shù)名詞。,基本用法n. housework家務(wù)事，是不可數(shù)名詞，do housework 相當(dāng)于 do chores 。She often helps her parents do housework.她經(jīng)常幫助父母做家務(wù)。,知識(shí)拓展-相關(guān)單詞homework n.家庭作業(yè)do one's homework 做家庭作業(yè)He usually does his ho

10、mework at 6:00 o'clock every day.他每天六點(diǎn)做作業(yè)。1. They have housework to do.A. many B. much3、 What do you usually do on weekends?你在周末做什么？“ I usually play soccer. ”“我通常踢足球?！苯馕觯旱谝粋€(gè)do為助動(dòng)詞，在這起幫助構(gòu)成疑問的作用；而第二個(gè)do則是實(shí)義動(dòng)詞Eg1)What do you usually do on weekends? I often go to the movies.Eg2)What does she usually

11、do on weekends? She sometimes go hiking.【解析1】頻度副詞意思頻度always總是，一直，100%usually通常，經(jīng)常90%often常常，經(jīng)常70%sometimes = at times有時(shí)，不時(shí)40%hardly ever= almost not幾乎從不5%never從不，決不0%規(guī)律總結(jié)：1 .這些副詞在句子中的位置基本相同，一般放在助動(dòng)詞、be動(dòng)詞或情態(tài)動(dòng)詞之后，行為動(dòng)詞之前。2 . hardly 和never均為否定副詞，有二者的句子不需再加no或not構(gòu)成否定，因其本身就是否定句。3 .就這些表示拼讀的副詞提問時(shí)，常用 how ofte

12、n?！就卣埂?some time /sometime/some times/sometimes【口訣】：分開是一段，合起是某時(shí)； 分開s是倍次，合起s是某時(shí)(1)some time 一段時(shí)間，做時(shí)間狀語It takes sb some time to do sth做某事花費(fèi)某人多長時(shí)間sometime adv在某個(gè)時(shí)候，()I hope to visit the USA in the future.A. sometimes B. some times C. sometime D. some time4 3) some times名詞詞組，“幾次，幾倍”sometimes=at times 有時(shí)

13、(一般現(xiàn)在時(shí)的標(biāo)志詞)一 do you write an English article for our school newspaper? Sometimes.A. How long B. How often C. How much D. How far解析 2 weekend/weekday辨析單詞意思范圍weekend周末周六、周日 一weedday工作日周一至周五【解析】 on weekends = on Saturday and Sunday 在周末on weekdays= from Monday to Friday 在工作日()The teachers never arrive l

14、ate for work from Monday to Friday.A. on weekdays B. on weekends C. every day D. five times a week.辨析：sometimes , some times , sometime , some timesometimes是頻度副詞，意為“有時(shí)；問或”，表示動(dòng)作發(fā)生的頻率，相當(dāng)于 at times提問常用于一般現(xiàn)在時(shí)與一般過去時(shí)。提問用 how often sometimes是名詞短語，意為“幾倍、幾次"。time 問”時(shí)是不可數(shù)名詞。How mang timessometime某個(gè)時(shí)候。可指過

15、去或?qū)淼哪硞€(gè)時(shí)候。some time 一段時(shí)間。常與for連用。對(duì)它提問用 口訣記憶：分開“一段時(shí)間”；相聚“某個(gè)時(shí)候”作可數(shù)名詞時(shí)可作“次數(shù)”解；表示“時(shí)提問用when how long 。oEg： Sometimes I get up very late.有時(shí)我起床彳艮晚。He reads the story some times.I ' ll s tay here for some time.練習(xí)： We plan to stay in Hainan for I am sure that we have met他讀這個(gè)故事幾遍了。我將會(huì)在這兒呆一段時(shí)間。before. Ihav

16、e letters from him.4. Hardly ever 幾乎從不我們打算在海南呆一段時(shí)間。我肯定我們之前見過幾次了。有時(shí)我會(huì)收到他的來信?！窘馕觥縣ard (1)adv 努力地，猛烈地work hard努力工作study hard努力學(xué)習(xí)I will go to shanghai sometime next week.下周某個(gè)時(shí)候我要去上海。(2) adj. It '做某事對(duì)某人來說是困難的困難的，艱難的"difficult hard/difficult for sb to do sthIt ' s hard for us(finish) the work

17、 without other' s help.【拓展】hardly adv“幾乎不，從來不”，表否定意義，常與 can ,any ,ever 連用。I can hardly believe it.() It ' s raining.People can go out.A. hard; hardly B. hardly; hard C. hard ; hard D. hardly ; hardly【注】形容雨雪下的大用hard/heavy辨析：hard/hardly1. hard可充當(dāng)形容詞和副詞兩種角色。(1)用作形容詞有“硬的”，“困難的、艱難的”的意思。其中用作“難的”講時(shí)

18、，在口語中與difficult 通用。The problem is too hard, I can't work it out.這個(gè)問題太難了，我算不出來。(2)用作副詞，意為“努力地、刻苦地”，“猛烈地”，hard用作“猛烈地”講時(shí)，同heavily 相同。He works hard only before exams.他只在考試前努力學(xué)習(xí)。It is raining hard outside. You can't go out.外面正下著大雨。你不能出去。2. hardly 只用作副詞，意思是“幾乎不”、“僅僅”、“才”，表示否定概念，常和 any 連用。hardly an

19、y 相當(dāng)于 almost no(not) 。 hardly 是具有否定意味的詞，它不能再與其它否定詞一起連用，在由它構(gòu)成的反意疑問句中，尾句的疑問式須用肯定式。Hardly anybody(Almost nobody) came to the meeting.幾乎沒有人來開會(huì)。hardly幾乎不，一般位于動(dòng)詞之前。hard 努力，位于動(dòng)詞之后。eg: He hardly works.他幾乎不工作。He works hard.他工作努力。5. use the Internet 用互聯(lián)網(wǎng)use sth. to do sth.用某物做某事 eg： I use a knife to cut bread

20、.我用刀切面包。短語：on the Internet 在網(wǎng)上 ，surf the Internet網(wǎng)上沖浪，上網(wǎng)6. What ' s your favohte program ? 你最喜歡的節(jié) 目是什么？句型：What' s your favorite.?=What. do you like best?你最喜歡的 是什么?1 .What' s your favorite animal ? 你最喜歡的動(dòng)物是什么？=【解析】favorite adj.最喜歡的=like .bestone' s favorite + 名詞 某人最喜歡的 (I) favorite su

21、bject is English.- What' s you r favorite, Bob? - Cats. They ' re so lovely.A. plant B. job C. sport D. animal7. Are you free next week ? 你下周有空嗎？free意為“空閑的，有空的"，反義詞 busy。be free 意為“閑著，有空”eg: : He is free now. 他現(xiàn)在有空。拓展：free還可譯為“免費(fèi)的”Eg: The tickets are free.票是免費(fèi)的【解析】free adj. 空閑的 be free

22、= have time 有時(shí)間adj. 自由的，免費(fèi)的be free to do sth隨心所欲的做某事8. twice a week 一周兩次【解析】英語中，once表示“一次"，twice表示“兩次”，從三次或三次以上通常用“基數(shù)詞+times”表示，time在這里是可數(shù)名詞，意為“次數(shù)”，復(fù)數(shù)形式直接加“ s”，如：“六次” six times ，“十次” ten times。知識(shí)拓展-其他用法1. once 作時(shí)間副詞，once upon a time “從前”，多用在過去時(shí)中；介詞短語 at once 意 為“立刻、馬上”。2. 用于狀語從句中，表示“一旦”。如：Once

23、the sun had set, the air turned cold.太陽一落，空氣就變冷了。3. 就“次/倍數(shù)”名詞提問用howmanytimes, 就“次數(shù)+a+week/month等”提問用how often。4. twice 以及“基數(shù)詞+times”還表示倍數(shù)，即“兩倍或幾倍”。2）表示“幾次”的表達(dá)方法是： once a day/ a week/ a month/ a yeartwice a day/ a week/ a month/ a year8. Hmm.next week is quite full for me, Jack.晦下周我很忙，杰克。quite full 很

24、忙，相當(dāng)忙.拓展：1.full 還可譯為“滿的，充滿的”。Eg: The bus was full when they got there. 翻譯2.full還可譯為“飽的”。Eg: I can ' t eat any more , I am quite full.我不能再吃了，我相當(dāng)飽了?！窘馕觥?full adj. 忙的 =busyadj. 滿的： 充滿的 be full of = be f川ed with充滿This shelf is full of / filled with books.Help yourself to some more meat,Linda.A. I

25、9; m full, thanksB. It ' s my pleasureC. It doesn' t matterD. Very well, thank youadj. full 滿的；充滿的；充分的，充足的，完全的The glass is full.杯子滿了。full-time job 全職工作知識(shí)拓展： 常用短語 be full of = be filled with "充滿的，富有的” This shelf is full of / filled with books.The room is full of people. We can't go i

26、n.房子里滿是人，我們進(jìn)不去。反義詞empty “空的”full adj. 吃飽的；過飽的，其反義詞是 hungry ,意為“饑餓的”。Eg. Are you hungry or full ?你餓了還是飽了 ？詞義辨析：fill/full1. fill為及物動(dòng)詞，表“使?jié)M”，常與介詞with搭配，表達(dá)“被充滿”時(shí)用be filled with結(jié)構(gòu)。如：The bottle is filled with water.這只瓶子裝滿了水。He was filled with joy at the news.聽到這個(gè)消息，他內(nèi)心充滿了喜悅。2. full 是形容詞，多作表語，表示主語所處的狀態(tài)，常見于

27、 be full of結(jié)構(gòu)中。如：The schoolbag is full of books.書包里裝滿了書。注：be filled with = be full of ,但介詞 with 與 of 不能混淆。如：The room is full of people. = The room is f川ed with people.9、 She sometimes goes shopping.她有時(shí)去購物?！窘馕觥縮hopn商店"storev 購物 go shopping 去購物 do some shopping 購物I often go with my friends on wee

28、kends. （shop）【拓展】go +動(dòng)詞inggo swimming 去游泳 go skating 去滑冰 go fishing 去釣魚go boating 去戈跚合go hiking 去遠(yuǎn)足 go hunting 去打獵（）It ' s a fine day. How about?Sounds great!A. go hikingB. go to hike C. going hikingD. to go to hike【解析】sometimes為頻度副詞，意為“有時(shí)候”，多用于一般現(xiàn)在時(shí)或一般過去時(shí)中。辨析： sometimes, sometime, some time 與 s

29、ome timesSometimes 意為“有時(shí)”，可放于句首或句中。（How often提問）Sometime 表示在某個(gè)時(shí)間段內(nèi)的某個(gè)時(shí)候，既可以表示過去某個(gè)時(shí)間也可以表示將來的某個(gè)時(shí)間。（Wheng問）Some time名詞性短語，意為“一些時(shí)間”，time是不可數(shù)名詞，意為“時(shí)間”。（HowlongSome times表示“幾次"，time是可數(shù)名詞，表示“次；次數(shù)” 。（Howmanytimes提問）Eg. Even friends sometimes disagree.即使是朋友，有時(shí)也會(huì)意見不合。I hope to see you again sometime next

30、 year.我希望明年的某個(gè)時(shí)候能再見至九你。Please give me some time to red this passage.請(qǐng)給我一些時(shí)間看這篇文章。I have been to Beijing some times before.我以前去過北京幾次。10、How come?怎么會(huì)？ 怎么回事？Howcome?!固定表達(dá)，意為“怎么回事？ /怎么會(huì)？”表示某件事情很奇怪，有點(diǎn)想不通；可 單獨(dú)使用，也可引導(dǎo)一個(gè)問句，相當(dāng)于疑問句why,但how come開頭的特殊疑問句使用的仍然是陳述語序。How come Tom didn' t come to the party? = W

31、hy didn ' t Tom come to the party?11. I have dance and piano lessons.我要上舞蹈課和英語課。have在此意為“上課”。Eg: They ' re having an English lesson.他們正在上英語課。擴(kuò)展：have lessons 上課 , Lesson One 第一課12. Well , how about Tuesday ? 哦，那周二呢？How about.?(二What about.?) 意為"怎么樣？”，用來征求對(duì)方的意見。Eg: How about this book? 這本

32、書怎樣?How / What about doing sth. .?做怎么樣？Eg: -What will we do on Sunday ? 星期天我們什么？-How about visiting the museum ? 去參觀博物館咋樣？1. It ' s sunny today , What about (play) tennis ?13. I go to the movies maybe once a month.我可能一月去看電影一次。【解析】maybe adv.大概；或許；可能Eg. Maybe that man is a police man.或許那人是警察。maybe

33、 和 may bemaybe副詞，意為“或許；大概”， 常位于句首表推測(cè)。Maybe he is at Jim's home. 或許他在吉姆家。may be由情態(tài)動(dòng)詞may和be構(gòu)成，意 為“可能是、也許是"，在句 中作謂語。He may be right.他可能是對(duì)的。【解析 11 go to the movies = go to the cinema = see the film去看電影解析2 maybe/may be辨析：(1) maybe =perhaps adv 也許，可能，表示推測(cè)，通常用于句首，在句中作狀語。( )Li Hua wants to be an as

34、tronaut like Yang Liwei.A. May be B. May C. Also D. Maybe(2) maybe是“情態(tài)動(dòng)詞may+動(dòng)詞原形be"，或許，可能是，也表示推測(cè)，在句中作謂語。 可以和 maybe互換。Tom s pen may be in his backpack.=Maybe Tom s pen is in his backpackNow all of us exercise at least hour a day in and outside school.A. the ; a B. a; an C. /; a D. /; analthough是

35、連詞，意為“雖然，盡管，即使”。例如：Although he is young, he knows a lot.雖然他很年輕，但是他知道很多?！咀⒁狻縜lthough=though,漢語中可以說“雖然,但是”，但英語中although/though與but不能同時(shí)出現(xiàn)在同一個(gè)句子中。14. He plays at least twice a week.他至少一周踢(足球)兩次。【解析】least adv.最??；最少 adj.& pron.最少的；最小的，它是little的最高級(jí)。Eg. He has least money of all of us. 在我們所有人中他的錢最少。She

36、works least.她工作最少。We have least time.我們時(shí)間最少。at least 至少；不少于；起碼，其反義短語為：at most 至多15. _On Wednesday and Friday.在周三和周五【解析】介詞at/ in /on /for 表示時(shí)間：1）at.表示某一具體時(shí)間點(diǎn)，某一時(shí)刻/年齡at six o ' clock at noon at that time at the moment at the age of at night2）in表示時(shí)間段，一天的三個(gè)時(shí)間段以及月份，年，季節(jié)，世紀(jì)，人生的某個(gè)時(shí)期（某人幾十歲時(shí)）In the morni

37、ng/afternoon /evening in spring /in 2007/in March in the twenty-first century in his fifties3）on表示星期幾/某一具體的日子/具體某天的上午/下午/晚上，表示一天中的三個(gè)時(shí)間段名詞 前有修飾語或后有修飾語時(shí).On Monday on New Year ' s Day on Sunday morning on a rainy night g. At least he should say thanks.他至少應(yīng)該說聲謝謝。16. “What' s your favorite progra

38、m? ”“It ' s Animal World. ”“你最喜歡什么節(jié)目？”“動(dòng)物世界。”【解析】favorite adj.最喜歡的=like .bestone' s favorite + 名詞 某人最喜歡的 （I） favorite subject is English.- What' s your favorite, Bob? - Cats. They ' re so lovely.A. plant B. job C. sport D. animal17. I watch TV every day.我每天都看電視【解析】（1） every day 每天=ea

39、ch day做狀語，放在旬末， 對(duì)其提問用how oftenHe exercises every day.everyday adj. 每天的，作定語，修飾名詞，放在名詞之前everyday English 日常英語18. As for homework , most students do homework every day .解析：as for.意思是“至于；關(guān)于"，常用于句首作狀語，其后跟名詞、代詞或動(dòng)詞的-ing 形式（即動(dòng)名詞）。如：As for him , I never want to see him here.至于他，我永遠(yuǎn)不希望在這里見到。As for the st

40、ory , you'd better not believe it.關(guān)于那故事，你最好不要相信。As for myself, I don ' t want to go now. 至于我自己，我現(xiàn)在不想去。As for the man, I know nothing about him.至于那個(gè)人，我什么者B不知道。19. They often help with housework.他們經(jīng)常幫忙做家務(wù)?！窘馕觥縣elp v 幫助一 helpful adj 有幫助的help sb. (to) do sth=help sb. with sth幫助某人做某事help sb. with

41、 sth在某方囿幫助某人I often help my mother with housework on weekendshelp(to) do sth幫助某人做某事She was coming to help clean the machinehelp sb. (to) do sth幫某人做某事Mr. Wang helped me (to ) repair my bike. My mom helps me(do) my homework.=My mom helps me with my homework. My teacher ' s words are(help) to me.()

42、 A lot of vegetables can help us in good.A. keep; healthB. to keep; healthy C. keeping ;health D.keeps; health20. What kind of dance are you learning ?你在學(xué)什么舞？Swing dance 搖擺舞【解析】kind (1) n 種類kind of +adj. 有點(diǎn)，有幾分，kind of cold 有點(diǎn)冷a kind of 一種的，某種的 all kinds of各種各樣的different kinds of 不同種類的What ki nd of

43、？哪種？.-What bowl of noodles would you like, small, medium or large?-A large bowl of beef noodles, please. A. color B. price C. size D. kind adj. 友好的 be kind to sb. =be friendly to sb.對(duì)某人友好It's kind _ you help me with my English.A. of; to B. for; to C. of; for D. to; to解析 2 swing n 秋千 There is a k

44、id playing on the swing. v.擺動(dòng)，蕩秋千swing dance 搖擺舞 【記】s + wing(翅膀)一 swing21. no adj. (1) 沒有的=not any/not a /not anThere is 空 chalk on the teacher ' s desk. = There is not a chalk on the teacher ' s desk.(2) no 不要，禁止No swimming !禁止游泳 No parking! 禁止停車！ No photos! 禁止拍照！22. How about Tuesday? 那么周二

45、呢？【解析】How about = what about 怎么樣？(用來詢問對(duì)方的情況或征求意見)How about doing sth = what about doing sth? How about(go) swimming?一What about a rest?OK! Let ' s go for a walk.A. to haveB. hadC. haveD. having23. How often do they stay up late?他們多久熬一次夜？【解析】 stay up 熬夜 =sit up.stay up 與 stay up late 區(qū)別1) stay up

46、“熬夜、不睡覺”如：He stayed up all night to write his story.他熬了一整夜寫他的小說。2) stay up late“熬夜到很晚，遲睡”如：Don t stay up late next time.下次不要再熬夜很晚了。stay at home 呆在家里 stay away from 遠(yuǎn)離()If you stay up , you will be tired.A. go to bed late B. don' t go to bed C. work hard D. sleep early24. How often do you eat jun

47、k food?你多久吃一次垃圾食品？【解析】junk food垃圾食品green food綠色食品natural food天然食品healthy food 健康食品25. 頻度副詞【解析】頻度副詞表示經(jīng)常性的動(dòng)作或情況，常和一般現(xiàn)在時(shí)連用，表示現(xiàn)在經(jīng)?；蚍磸?fù)發(fā)生的動(dòng)作，按其頻率發(fā)生的高低分別是：always總是；usually 通常；often經(jīng)常；sometimes 有時(shí)；hardly ever幾乎不；never從不。對(duì)這些頻度副詞進(jìn)行提問時(shí)，用特殊疑問詞how often , 意為“多久一次”。Eg. They always go to the park by bus. 他們 總是乘公共汽

48、車去公園。Kate is often late for school.凱特經(jīng)常上學(xué)遲到。I sometimes_watch TV programs.(對(duì)畫線部分提問)How often do you watch TV programs?你多久看一次電視節(jié)目？26. But my mother wants me to drink it.但我媽媽想讓我喝它。want為及物動(dòng)詞，意為“想要”，其后接名詞或動(dòng)詞不定式，相當(dāng)于would like, 但would like 的語氣更為委婉。want sb. to do sth尸 would like to do sth.意為“想讓某人做某事”，否定形式為

49、 wantsb. not to do sth.意為“不想讓某人做某事Eg: She wants me to bring him some pens.力o她想讓我給她帶些鋼筆。拓展：1.want sth. ask sb. to do sth.tell sb. to do sth.help sb. (to) do sth.2.want to do sth.Do you want 想要某物Do you want any story books ?你想要些故事書嗎？請(qǐng)求某人做某事告訴某人做某事幫助某人做某事想要做某事I want to visit my uncle.我想去看望我的叔叔。 (tell )

50、 me anything ?27. She says it's good for my health.她說它對(duì)我的健康有益?；居梅╞e good for“對(duì)有益，對(duì)有好處”，介詞for后接名詞或代詞。It's not good for your eyes to read books in the sun.太陽底下看書對(duì)眼睛不好。,知識(shí)拓展反義詞be bad for“對(duì)有害”It's bad for the environment to throw rubbish everywhere.到處扔垃圾對(duì)環(huán)境不好。詞義辨析：be good(bad) to/be good(ba

51、d) for/be good(bad) at1. be good to 意為“對(duì)友好”。My friend was good to me when I was ill.我生病的時(shí)候，朋友對(duì)我很好。2. be good for 意為 “對(duì)有好處”.Eating more vegetables is good for your health.多吃蔬菜對(duì)你的健康有好處。3. be good at 意為“擅長”，后接名詞、代詞或v-ing形式.I'm good at playing chess.我擅長下象棋。4. be bad to 對(duì) 態(tài)度不好，對(duì)一 差勁 He is bad to me.

52、他對(duì)我不友好。5. be bad for對(duì)一有害處.Reading in the sun is bad for your eyes.太陽底下看書對(duì)眼睛不好。6. be bad at 不善于， 拙于She is bad at keeping secrets.她不善于保守秘密。7、be good with 與相處融洽The teacher is good with his students.這位老師和他的學(xué)生相處融洽。.be good to 對(duì)友好My new deskmate is good to me.我的新同桌對(duì)我很友好。 health n. 健康，是不可數(shù)名詞。I think health

53、 is more important than money.我認(rèn)為健康比金錢更重要。be in good/poor health身體狀況好/不好My grandparents are both in good health.我祖父母身體者 B 彳艮好。healthy adj.健康的We should eat healthy food.我們應(yīng)當(dāng)吃健康的食物。unhealthy adj .不健康的Junk food is unhealthy.垃圾食品是不健康的。keep healthy = keep fit = stay healthy=keep in good health保持健康【拓展】 n+

54、y=adj. windy , cloudy, sunny, funny , snowy. Doing sports can help us keep(health) They eat very(health). Mike is good for our(health). I think eating more food can help us keep.A. health; healthy B. healthy ; health C. healthy; healthy28. How many hours do you sleep every night ? 你每天晚上睡幾個(gè)小時(shí)？【解析】how

55、 many和 how muchhow many和how much都可以表示“多少”，但 how many后接可數(shù)名詞復(fù)數(shù)，而 how much 后接不可防名詞。Eg. How many girls can you see?你能看見多少個(gè)女孩？How much milk do you want?你想要多少牛奶？【拓展】詞語詞義用法答語特征how long多久詢問時(shí)間多久for/about+ 一段時(shí)間how often多久一次詢問動(dòng)作的頻率often, twice a week 等how soon多快，過多久詢問時(shí)間多快in+ 一段時(shí)間how far多遠(yuǎn)r詢問距離多遠(yuǎn)1ten minutes &#

56、39; walkhow many多少詢問口數(shù)名詞數(shù)量數(shù)詞+可數(shù)名詞復(fù)數(shù)how much多少詢問/、口數(shù)名詞數(shù) 量數(shù)向J +表示量的詞+不可數(shù) 名詞多少錢詢問價(jià)格數(shù)詞+錢29. Last month we asked our students about their free time activities . 上個(gè)月 我們 向?qū)W生詢問了他們業(yè)余蕊的情況。ask sb. about sth.“詢問某人關(guān)于某事”Eg:I asked my teacher about today ' s homework.?！窘馕?】ask sb about sth 丘某人詢問有關(guān)的情況ask sb to do sth請(qǐng)/要某人去做某事(否定形式)ask sb. not to do sthask sb. for sth向某人要某物【解析 2 】active adj. 活躍的 一 activity n 活動(dòng) My friend is(active).30. Although many students like to watch sports.雖然許多學(xué)生喜歡看體育節(jié)目【解析