人教版英語必修三Unit2全課件(單詞詳解).ppt

1、Unit 2Words and expressions1.diet. N.日常飲食。V.節(jié)食 教材原句：Everybody has to eat,but do you eat a heathy diet? go/be on a diet:節(jié)食 eg:Mary thinks she is so fat that she has to go on a diet. diet 指通常吃的食物，尤其指規(guī)定的食譜（治療疾病或減輕體重的食物） food:指人或動物所需食物或植物所需養(yǎng)料。 eg:we cannot suevive without food and water. 2.balance n天平；平

2、衡；結(jié)余，余額 v.平衡；權(quán)衡 You ought to have a balanced state of mind. You have to balance the advantages of living in the countryside against the disadvantages. 你得權(quán)衡一下住在鄉(xiāng)下的好處和壞處。 keep ones balance保持平衡 in the balance lose ones balance失去平衡 keep.in balance please keep a balance between work and play. I cant keep

3、 my balance.=I lost my balance.=out of. Try to balance your diet by eating fruit. balanced adj.保持(或顯示)平衡的 What will happen to you if you dont eat a balanced diet? 假如你的飲食不均衡會怎么樣？ 3. ought to應(yīng)該，應(yīng)當(dāng)(ought to與should意思接近，大多數(shù)情況下二者可以互換，但是should談的是自己的主觀看法，ought to則更多反映客觀情況，在談到法律、義務(wù)和規(guī)定時使用 ) 1)should/ought (no

4、t) to do(不)應(yīng)該做某事 You ought to leave right now. One ought not (oughtnt) to cross the street without looking at traffic light. 2)shouldought tohave過去分詞”既可表示本該做而事實上沒有做的事，也可以表示驚訝、贊嘆等情緒。 You should have told her about it the day before yesterday lose weight weight n. weigh v.稱重.，衡量（link-verb:稱重為) put on

5、weight=gain weight 增加體重 control ones weight 控制體重 by weight 按重量計算 lose相關(guān)短語: lose heart 喪失勇氣或信心 lose face 丟面子 lose sight of 看不見 lose ones way 迷路 lose ones breath 喘不過氣來4.curiosity n好奇心，求知欲 Curiosity drove Wang Peng inside.1.The letter wasnt addressed to me but I opened it out of curiosity.2.I saw her e

6、yes fixed on me in curiosity.3.Children are curious about/show curiosity about everything around them.4.A student should always be curious to learn.5.It is curious that he should have asked you that question.虛擬語氣 5.get away with. (n/doing) a)不因某事而受懲罰。不因某事而受懲罰。I wont have you getting away with cheati

7、ng in the exam. b)偷攜某物潛逃。偷攜某物潛逃。The robbers robbed the bank and got away with a lot of money. c)收到較輕的懲罰。收到較輕的懲罰。He was so lucky to get away with a fine for such a serious mistake get down to sth/doing.開始認真對待某事開始認真對待某事 Isnt it time you got down to marking the papers? get rid of擺脫；除掉擺脫；除掉 You must get

8、 rid of this bad habit. get in插話；收獲；進入 get down下來；取下；放下 get across被理解，(把)講清楚 get off從下來；下車；下去 get through花光(時間、錢等)；通過；接通電話 get on上車；搭乘 get over克服(困難)；從中恢復(fù)過來 get out 出去；把弄出 get along with進展；與相處 6. Lie v. 說謊(lying, lied, lied);平躺(lying, lay,lain) n. 謊言(liar撒謊的人) Lie to sb about sth. 關(guān)于某事向某人撒謊 He lied

9、to me about the result. Tell sb a lie=tell a lie to sb He is lying in the bed. Lay v.放置，下蛋，產(chǎn)卵，賭錢(laying, laid, laid) Please lay the book on the table. The hens are laying in the nests. How much did you lay on the race.7.win back：贏回，重新獲得 she won her money back Its difficult to win back someones love

10、once you lost it. He won what he lost back with his efforts.8.strength: nC長處；強項 U力量；體力 strengthen vt.&vi.加強weakness n.弱點，缺點，不足 weak adj. weaken v.減弱，使變虛弱.strengths and weaknesses:優(yōu)點和缺點eg:The government decided to take some measures _ (strength) the economy. strong-strength-strengthen long-length

11、-lengthen high-height-heighten deep-depth-deepen辨析：辨析：strength, energy, force, powerstrength:力量，體力，精神力量energy:人的精力，工作、活動的能力，自然界的能量等force:物理意義上的力，為指某事而使用的力量，常指武力power:人或機器的功能、職位、權(quán)力或政權(quán)(天津高考)The days are gone when physical_(strong) was all you needed to make a living.9.consult v咨詢；請教；商量，查閱eg:Please con

12、sult the card catalogue first if you want to borrow books in the libraryconsult sb. about sth 就某事向某人咨詢eg:She consulted a lawyer about her divorce.consult (with) sb. about/on sth 與某人就某事商議eg:He consulted with his business partner about the matter.consult a dictionary/a teacher 查閱詞典、請教老師eg:The teacher

13、advised us not to consult the dictionary for every new wordconsult with a friend 和朋友商議 10.earn ones living:謀生謀生 earn ones living by =live by=make a living by靠謀生 earn ones own living 自食其力 earn money=make money 掙錢 earn salary/income 掙工資/收入 earn respect 贏得尊敬 (2011遼寧高考) You are old enough to _ your own

14、living. win B.gain C.take D.earn 11.in debt負債負債 be/stay out of debt不負債；還清債務(wù) He was in debt when he was poor, but he has been out of debt since he got rich. be in debt to sb.欠某人債 He is in debt to Tom. be in sbs debt.欠某人的情；感激某人 Lily is in Lucys debt. pay off ones debts償清債務(wù) He has paid off his debts si

15、nce he got rich. get/fall/run into debt 負債 pay for the debt:償還債務(wù)12.glare at 怒視，帶有敵意 辨析：glare at/glance at/stare at glare at 怒目而視，由于生氣而瞪著眼看 glance at 掃視，一瞥，粗略地看 stare at 張大眼睛死死地盯著，由于好奇、無禮或傲慢而長時間地看 其他“看”： witness vt.& n. 目擊(者) observe vt.&vi. 觀察 spot vt. 發(fā)現(xiàn)；認出13.spy (v/n) 監(jiān)視，偵查，看見 n. 間諜 1) 暗中監(jiān)

16、視；偵查。 eg: It is impolite to spy into other peoples windows. 2) 看見，發(fā)現(xiàn)。 eg:He suddenly spied an old friend in the supermarket. spy on 暗中監(jiān)視，偵查 spy out 暗中查明 14.limit vt.限制；限定n.界限；限度 The amount of money you have to spend will limit your choice. limited adj.有限的 be limited to sth.受限制于 eg:The number of memb

17、ers is limited to five every year. within limits 在某種程度上，有一定限制 beyond the limit 超過限度 without limit 無限制地 to the limit of .達到.的限度 set a limit to 設(shè)定.的限度 the speed limit 車速限制 limit .to把.限制在. limit sb. to (doing) sth 限制某人做某事Its already beyond the limit.Obviously theres no limit to the amount of flattery a

18、 person wants. 可見一個人受馬屁的容量,是沒有底的. 15.benefit vt.& vi.有益于；有助于；受益有益于；有助于；受益 benefit sb.對某人有益對某人有益 We should spend the money on something that will benefit everyone. benefit from/by.從從受益，得益于受益，得益于 We can benefit from the project. get benefit from從從中受益中受益 We can get benefit from the project. benefic

19、ial adj.有利的；有裨益的；受益的 be beneficial to=be of(much，great)benefit to sb. =be beneficial to.對對有益有益 We should spend the money on something that will be beneficial to everyone. We should spend the money on something that will be of great benefit to everyone.for the benefit of=for ones benefit 為了為了.的利益的利益b

20、ine v. 和和.結(jié)合起來結(jié)合起來 combine.with 和.結(jié)合起來 辨析combine, connect, join, link Combine:結(jié)合，組合，把2個或2個以上的人或物混合起來，成為不可分割的一體。 Connect:連接，聯(lián)系。強調(diào)通過第三者把雙方連接，聯(lián)系起來connect.with/to Join: 接合，連接。側(cè)重把原來不相連的物體緊密地連接在一起 join.to Link: 連接式的連接。用接合物或其他方式連接link A with/to B 17.cut down削減；刪節(jié)；砍倒；縮短削減；刪節(jié)；砍倒；縮短 In this way they cut down

21、the fat and increased the fibre in the meal. cut off 切斷(電，煤氣)，使孤立，隔絕 eg:I felt that I was totally cut off.(isolated) cut down 削減，縮小，砍倒 cut across 走捷徑 cut in 插話 cut through 穿過 cut away 切除 cut out 刪除 cut up 切碎 18.before long 不久以后，一會兒 辨析：before long/long before before long=soon,與一般將來時或一般過去時連用 long befo

22、re 在.之前很久，在.之前早就 it was not long before.不久就. it will not be long before 不久就會. 巧記：long 在前，很久前；long在后，不久后 It was long before 過了很久才. It was not long before.沒過多久就. It will be long before.要過很久才會 It will be not long before.要不了多久就會.19.cooperation:N.合作，協(xié)作 in cooperation with:和.合作 eg:They worked in close coo

23、peration with the British Tourist Authority V.cooperate:合作，配合(with) eg: The two groups agreed to cooperate with each other. You are what you eat. 人如其食。人如其食。 First wealth is health. 健康是人生的第一財富。健康是人生的第一財富。 An apple a day keeps the doctor away. 一天一個蘋果，醫(yī)生不來找。一天一個蘋果，醫(yī)生不來找。 -EmersonCOME AND EAT HERE1.Wang

24、 Peng sat in his empty restaurant feeling very frustrated. 1)feeling very frustrated 現(xiàn)在分詞在句中作伴隨狀語 eg.She sat on the chair reading a newspaper.(表伴隨) Walking in the street, she met her old friend.(表時間) Seeing no body at home , she decided to eat outside.(表原因) The child fell, striking his head against

25、the ground.(表結(jié)果) He thought of his mutton kebabs, fatty pork cooked in the hottest, finest oil. 過去分詞短語作后置定語，表被動。= which were cooked in the hottest oil. 2)feel frustrated at/with.因.而懊惱，對.感到沮喪 frustrated 修飾sb. frustrating修飾sth Eg.The flowers picked by him are very beautiful.2.Nothing could have been b

26、etter. 比較級與否定詞連用表示最高級。= All his food could have been the best. Eg.I have never seen a better film. 常用的否定詞：no, not, never, nothing, nobody, hardly 意義：再也沒有比.更.的了。 表示最高級的其他表達方式： (1)can/couldnever/notenough/too.“再也不為過” any other +單數(shù)名詞 （all）the other +復(fù)數(shù)名詞 (2)比較級than any of the other + 復(fù)數(shù)名詞 anyone else e

27、g:The book has a greater effect on me any other book that all the other books any of the other books eg:It was not until then that I suddenly realized nobody was happier (happy) than I was. eg:Must I turn off the gas after cooking? Of course.You can never be too careful with that. 3.Tired of all tha

28、t fat? Want to lose weight? tired of 厭煩的 eg:He is tired of doing the same thing all year round. tired out 筋疲力盡 eg:I was tired out when I finally reach the top of the mountain. tired from 因而疲倦 I was very tied from running fast. 8.He could not have Yong Hui getting away with telling people lies. 1)hav

29、e sb/sth. doing sth 讓某人一直做某事，聽任/容忍某人做某事 ,多用于否定句，不能讓，不能容忍 have sb. doing 聽任/容忍某人做某事， have sb. do 使/讓某人做某事 have sth done 讓某人做某事，讓某事被做 eg:I cant have you_ (speak) to your mother in a rude manner. eg:-Can you go to watch football match with me tonight? -Sorry,but I have an important meeting _(attend). A

30、s a responsible teacher, he cant have any of his students _ (cheat) in the exam. I cant go to the cinema with you because I have a lot of homework_ (finish) Every year, Tom remembers to have some flowers _(send) to his mother on her birthday. They were so frightened that they had the light _(burn) a

31、ll night.4.Only slimming foods served here.serve v. 充當(dāng).提供，服務(wù)，接待，供應(yīng)serve sth. to sb:給sb提供sth serve-service-servant if my memory serves me 如果我沒記錯的話 serve at table 當(dāng)侍者 serve ones time 任期內(nèi)任職serve someone right 罪有應(yīng)得；活該 serve ones/its turn 有用；起作用eg:We are_ people and we should _ the people heart and soul.

32、A.servants of, serve B.service for, serve C.servants of, serve for D.servants of, serve of 5.It cost more than a good meal in his restaurant! more than 比.多，超過=over more than+adj./adv.=very much 非常 more than+n.不只是 more than a little 非常 nothing more than 不過是，無非是 no more than 僅僅，只不過 not more than:不超過，不

33、多于 no more.than.與.一樣不 more.than.與其說.，倒不如說. Yong Hui agreed to stay and soon they were both enjoying the dumplings, fatty pork and cola. 1) agree to (do) sth. 表示“同意某事或某建議”，后只能跟表“提議，計劃，方案，打算，安排” Eg.He agreed to their proposal. 2）agree with sb. 同意某人 Eg.I agree with every word you said. 3）agree on sth.

34、表示在某事上取得一致的意見 Eg.They agreed on a date for the next meeting. N。agreement：一致，協(xié)議，同意 agreement between A and B reach/achieve agreement But dont you think it would be better if you were a bit thinner? 虛擬語氣，表示與現(xiàn)在事實相反的假設(shè)時，條件狀語從句的謂語動詞用過去式（be用were），而主句的謂語動詞用would(should, could ,might)+動詞原形。 eg:If I were you

35、, I should study English better.GrammarModal verbs 情態(tài)動詞情態(tài)動詞 (II)Unit2 Healthy eating1.作為情態(tài)動詞用，常用在否定句和疑問句中。Dare (need) +S +VS + darent (neednt) +VI darent walk through the forest at night.Dare you walk through the forest at night?You neednt return the book now.Need he go yesterday?可兼做行為動詞的情態(tài)動詞：可兼做行為動

36、詞的情態(tài)動詞：need 、 dare 2.作實義動詞用，常用在肯定句中, 有人稱、時態(tài)、和數(shù)的變化He needs to go there himself.He has grown up,we dont need to worry about him.3.Sth (sb) need( want, request)+ doing/ to be done The house needs cleaning/ to be cleaned The boy needs sending to the hospital at once.Our color TV set is still good enough

37、. You neednt have bought a new one.4.neednt have done 表示原本不必表示原本不必要做的事情卻已經(jīng)做了的情況要做的事情卻已經(jīng)做了的情況,意為意為“本不必要本不必要”Your home is not far from your school ,so you neednt have leftin such a hurry then. 5.注意對注意對need問句的回答問句的回答: -Need I finish the work today? -Yes, _. No, _. No, _.you mustyou needntyou dont have

38、to-Must we do it now? -No, you _. neednt(dont have to)情態(tài)動詞的其他用法情態(tài)動詞的其他用法may well + v = have good reason to (理所當(dāng)然） You may well say so.may/ might as well = had better do.(最好。） You may as well say so.may as well +v.+as+v (與其.不如.) ( 最好 . 而不要 .）You might as well throw your money away as lend it to him.1

39、. may1.Judging from his accident, he must be from the south,2.It is eleven oclock at night and the lights are off. They must be sleeping now,isnt he? arent they?因因must后是系動詞后是系動詞 be must后接的是后接的是be sleeping，是對正在進，是對正在進行的情況推測行的情況推測2.與與must有關(guān)句子的反意疑問句有關(guān)句子的反意疑問句1.We must have learned 2,000 words by the end of last term, hadnt we?3.He must