高中英語(yǔ)必修三第二單元重點(diǎn)

1、高中英語(yǔ)必修三第二單元重點(diǎn)、難點(diǎn) Unit Two Healthy eating1、Do you eat a healthy diet? 你吃的健康嗎？ diet 日常飲食A balanced diet is necessary for good health.平衡的飲食對(duì)身體健康很有必要。Chinese diet is high in fiber. 中餐富含纖維。易混辨析：diet和food diet既可指習(xí)慣上吃的食物，又可指規(guī)定的食物。特指維持健康的食物。food是一般用語(yǔ)，指進(jìn)入身體供人或動(dòng)物生長(zhǎng)的食物。強(qiáng)調(diào)種類時(shí)為復(fù)數(shù)名詞。聯(lián)想擴(kuò)展：go on a diet = be on a di

2、et 節(jié)食 You please have lunch yourself, I am on a diet. 你自己吃午飯，我在節(jié)食。2、By now his restaurant ought to be full of people. 到這個(gè)時(shí)候他飯店賓客盈門的。 ought to 用法歸納：（1）（按理）應(yīng)該 He ought to be here by now. 他這會(huì)兒應(yīng)該到了。It ought to be very cold in December in Xian. 西安12月應(yīng)該很冷了。（2）（建議）應(yīng)該You ought to study hard. 你應(yīng)該努力學(xué)習(xí)。Schools

3、 ought to supply good books for students. 學(xué)校應(yīng)該為學(xué)生提供好書。（3）ought to have done = should have done 過(guò)去應(yīng)該做而未做You ought to have studied hard in the past three years. 過(guò)去三年你應(yīng)該好好學(xué)習(xí)來(lái)著。即時(shí)活用：1、-There is a lot of smoke coming out of the teaching building. -Really? It _be a fire, most probably.A. can B. ought to C

4、. have to D. must 2、_ the old building still stand there after so many years?A. Must B. May C. Can D. Ought to 答案：B C3、He thought of his mutton, beef and bacon cooked in the hottest, finest oil.他想到了他用最熱的，最好的油烹制出的羊肉、牛排和熏肉。think of 用法歸納：（1）想起；記起 Sorry, I didnt think of your name just now. 對(duì)不起，我剛才沒(méi)想起你的

5、名字。We should think of some excuses. 我們應(yīng)該找一些借口。（2）考慮We should think of the matter carefully. 我們應(yīng)該認(rèn)真考慮這個(gè)問(wèn)題。Please think of what I have said. 考慮一下我所說(shuō)的。（3）為著想 Chen Guangbiao is always thinking of the poor people in the poor areas. 陳光標(biāo)總是想著貧窮地區(qū)的窮人。Dont trust him, he only thinks of himself. 別相信他，他只為自己著想。（4

6、）想；打算 I am thinking of giving up smoking. 我打算戒煙。Is there anyone thinking of going out to play basketball with me? 有人想和我出去打籃球嗎？聯(lián)想擴(kuò)展：think about想；考慮 think much of 對(duì)評(píng)價(jià)很高 think highly / well of 高度評(píng)價(jià) think badly / little of認(rèn)為不好 think nothing of 覺(jué)得不怎么樣 think out 想出；想清楚 think over 仔細(xì)考慮 即時(shí)活用： How long have

7、you worked in this library? -Two years, but Im thinking _.A. to stop B. of stop C. to stopping D. of stopping 答案：D4、Something terrible must have happened if Li Chang was not coming to eat in his restaurant as he always did.如果李昌不像平常那樣來(lái)他的飯店吃飯肯定是發(fā)生了什么可怕的事情。情態(tài)動(dòng)詞表示猜測(cè)情態(tài)動(dòng)詞、表示意義及猜測(cè)的概率：must 一定；肯定 100% may 可能

8、 50%-60%might 也許 20%-30% should 按理應(yīng)該 can / could 可能特別提示：must, may, might, should 用于肯定猜測(cè)；can / could用于否定和疑問(wèn)猜測(cè)。用法歸納：（1）表示對(duì)現(xiàn)在情況的猜測(cè)，用“情態(tài)動(dòng)詞+動(dòng)詞原形”He must be in the classroom. 他一定在教室。 She may have a spare pen. 她也許有一支多余的鋼筆。（2）表示對(duì)過(guò)去情況的猜測(cè)， 用“情態(tài)動(dòng)詞 + have +過(guò)去分詞”The ground is wet, it might have rained last night

9、. 地是濕的，昨晚可能下雨了。They must have finished their homework. 他們一定把作業(yè)做完了。特別提示：注意情態(tài)動(dòng)詞表示猜測(cè)句的反義疑問(wèn)句。（1）表示對(duì)現(xiàn)在情況的猜測(cè)的句子，不能用情態(tài)動(dòng)詞反問(wèn)。（2）表示對(duì)過(guò)去情況的猜測(cè)的句子，如果句子中有表示過(guò)去的時(shí)間，用過(guò)去式反問(wèn)；如果句子中沒(méi)有表示過(guò)去的時(shí)間，用完成時(shí)反問(wèn)。He must be in the classroom，isnt he? 他一定在教室,是嗎？She may have a spare pen, doesnt she? 她也許有一支多余的鋼筆，是嗎？The ground is wet, it mi

10、ght have rained last night, didnt it? 地是濕的，昨晚可能下雨了，是嗎？They must have finished their homework, havent they? 他們一定把作業(yè)做完了，是嗎？should 表示“按理應(yīng)該”。看下面一道高考題-When shall I come for the photos? I need them this afternoon. -They _ be ready by 12.A. must B. can C. should D. can 答案：Ccan / could 用于疑問(wèn)句表示“可能嗎”；用于否定句表示“

11、不可能”。-Look, someone is coming, who can it be ? 看，有人來(lái)了，可能是誰(shuí)呢？ -It must be the headmaster. 肯定是校長(zhǎng)。-It cant be him. He has gone to Xian. 不可能是他，他去西安了。 即時(shí)活用：1、He_ without saying goodbye to them, for he always has good manners.A. mustnt have left B. may not leave C. shouldnt have left D. cant have left 2、T

12、he classroom was empty. I think they _ to the playground to do morning exercises.A. must have gone B. ought to have gone C. should have done D. can have done 3、-We werent sure which way to go. In the end we turned right. -You _ the wrong way. You _ left.A. had gone; must have turned B. went; must tu

13、rn C. have gone; would have turned D. went; should have turned4、You must have been caught in the rain yesterday, _ you? A. mustnt B. havent C. didnt D. werent 5、When I suggested that someone in the village _ his wine, he didnt believe.A. must have drunk B. should drink C. have drunk D. has drunk 6、H

14、e must be the person who has been late a third time this week, _?A. isnt he B. hasnt he C. mustnt he D. must he 7、 Is Bush over his cold yet?- He _. He went ice-skating yesterday.A. must be B. ought to C. will be D. has to 8、 Has your brother got up?- Sorry, Im not sure. He _got up.A. must have B. c

15、ant have C. would have D. might have 答案：DADCAAAD5、Tired of all that fat? Want to lose weight? 肥膩的東西吃厭了嗎？想變瘦嗎？be tired of 對(duì)厭倦；厭煩 I am tired of learning English. 我煩學(xué)英語(yǔ)。We are tired of the same breakfast every morning. 我們厭煩每天早上吃同樣的早餐。易混辨析：be tired of 對(duì)厭倦；厭煩 be tired from / with 由于而疲憊We are tired from t

16、he long running. 由于長(zhǎng)跑我們很累。特別提示：這里tired of為形容詞短語(yǔ)，在句中作狀語(yǔ)。形容詞作狀語(yǔ)時(shí)，多放在句首或句末。在句中作原因狀語(yǔ)、條件狀語(yǔ)或伴隨狀語(yǔ)。 Thirsty, he rushed to the well. 由于很渴，他朝井邊跑過(guò)去。The old man was lying on the ground, dead. 那個(gè)老人躺在地上，死了。lose weight 減肥 Many young girls are going on a diet to lose weight. 許多年輕的女孩節(jié)食想減肥。聯(lián)想擴(kuò)展：put on weight 增肥；長(zhǎng)胖 Yo

17、u should eat less, you cant put on more weight. 你應(yīng)該少吃點(diǎn)，你不敢再長(zhǎng)胖了。6、Curiosity drove Wang Peng inside. 好奇心驅(qū)使王鵬走進(jìn)去。 drive vt. 迫使;逼迫 用法歸納：（1）drive sb. to do sth. What drove you to change your mind? 什么使你改變注意的？Hunger drove them to sell their children. 饑餓使得他們賣掉孩子。（2）drive sb. to + n. / doing Poverty drove th

18、em to stealing. 貧窮使得他們偷竊。Troubles drove him to alcohol. 煩惱使得他借酒消愁。（3）drive + O +介詞短語(yǔ) We at last drove the Japanese invaders out of China. 我們最終把日本侵略者趕出了中國(guó)。Oppression drove them into open rebellion. 壓迫使得他們反叛。7、He could not have Yong Hui getting away with telling people lies! 他可不能讓雍慧哄騙人們后跑掉。have + O +

19、OC 讓發(fā)生某情況 用法歸納：（1）have sb. do sth. 讓某人做某事 Dont forget to have him come together with you. 別忘了讓他和你一起來(lái)。I will have Li Mei type the letter. 我要讓李梅打這封信。（2）have sb. / sth. doing 讓某人做某事；讓某情況發(fā)生 Oil can have cars running. 油能使車運(yùn)行。If you are late again, I will have you standing at the back of the classroom for

20、 a period.如果你再遲到，我就讓你在教室后面站一節(jié)課。（2）have sb. / sth. doneA. 讓別人做某事 We should have the walls whitewashed. 我們應(yīng)該找人把墻粉刷一下。I will have my bike repaired. 我要修一下自行車。B. 遭到某情況 My brother had his left leg broken while playing football. 我弟弟在踢足球時(shí)把左腿摔斷了。She had her car stolen. 她的車被偷了。C. 完成 You should have your homew

21、ork finished first. 你應(yīng)該先把作業(yè)完成了。即時(shí)活用：1、Is this the computer you _last week?That s_.A. had it repaired; the one B. repaired it; it C. had repaired; it D. had repaired; the one 2、We had a photo _ with the foreign friends. A. take B. took C. taking D. taken 3、The girl wont have anything _ against her te

22、acher. A. say B. said C. saying D. to say 4、Mrs Baker has her hair _every Friday afternoon after work. A. done B. do C. doing D. being done 5、 Mr. Wilson is expected back at noon .-Would you have him _ then, please?A. calling me B. call me C. to calling me D. called me 答案：CDBAB8、He could not have Yo

23、ng Hui getting away with telling people lies!他可不能讓雍慧哄騙人們后跑掉。get away with 不受懲罰；被放過(guò) They got away with having damaged the car. 他們把車弄壞了，但是沒(méi)有受罰。聯(lián)想擴(kuò)展：get across使了解 get around/round/about到處走動(dòng) get down下來(lái)；使沮喪 get over恢復(fù) get through完成9、He could not have Yong Hui getting away with telling people lies!他可不能讓雍慧

24、哄騙人們后跑掉。關(guān)于“撒謊”（1）tell a lie / lies to do something 為了做而撒謊Mr. Kingtold a lie to get a job in the company. 為了在這個(gè)公司找到一份工作，金先生撒了一個(gè)謊。The man told lies to make his mother happy. 為了讓媽媽高興，那個(gè)人撒了許多謊。（2）tell a lie / lies with sb. = lie to sb. 對(duì)某人撒謊Some students often tell lies with their headteacher. 有些學(xué)生常常對(duì)班主

25、任撒謊。I forgive you this time, but you cant lie to me again. 這次我原諒你，但你不能再對(duì)我撒謊。10、Perhaps he would be able to earn his living after all and not have to close his restaurant.也許他不必關(guān)掉飯店也能謀生。earn ones living 謀生=make a living The old man earns his living by selling newspapers. 那個(gè)老人靠賣報(bào)紙謀生。How did you earn yo

26、ur living in the old days? 舊社會(huì)你是怎么生活的？11、He did not look forward to being in debt because his restaurant was no longer popular.他可不希望由于餐館不受歡迎而負(fù)債。 in debt欠債 He is in heavy debt now. 他負(fù)債累累。His father left him nothing but a big debt. 他父親只留給他一大筆債務(wù)。聯(lián)想擴(kuò)展：be out of debt不欠債 get into debt=run into debt=fall i

27、nto debt 負(fù)債 in ones debt 欠某人情12、She didnt look happy but glare at him. 她不高興，拿眼睛瞪著他。glare vi.怒視；發(fā)耀眼的光 The angry father glared at his son. 生氣的父親怒視著兒子。The headlight of the car glared at me. 汽車的前燈照的我睜不開(kāi)眼睛。易混辨析： glare 指由于羨慕、恐懼、驚訝而用恐嚇、兇狠或憤怒的眼光看。The teacher glared at the pupil who was late for school. 老師生氣

28、的看著那個(gè)遲到的學(xué)生。gaze指由于驚訝、好奇、喜悅、同情或感興趣而目不轉(zhuǎn)睛的看。For hours he sat gazing at the stars. 他坐在那兒盯著星星看了幾個(gè)小時(shí)。stare指固定的凝視，暗示好奇、勇敢、無(wú)禮貌或愚蠢。It is impolite to stare at a stranger. 瞪著看一個(gè)生人是不禮貌的。glance “一瞥” She glanced shyly at him out of the corners of her eyes. 她很害羞的用眼睛的余光看著他。即時(shí)活用：1、- Do you like _ in public? -I dont

29、think so. It makes me nervous.A. to be glared B. being glared C. to be looked D. being stared at 2、The two men stood _ angrily at each other , while the crowd looked on with amusement .A. staring B. glaring C. glancing D. seeing 答案：D B13、I thought you were a new customer and now I know that you only

30、 came to spy on me and my menu.我原以為你是一個(gè)新顧客，現(xiàn)在我明白你過(guò)來(lái)只是為了偵查我和我的菜單。spy on暗中監(jiān)視 Do you spy on us? 你在監(jiān)視我們嗎？I dont want anyone to spy on me. 我不愿意別人監(jiān)視我。聯(lián)想擴(kuò)展：spy into 探聽(tīng) spy out 覺(jué)察；發(fā)現(xiàn) spy out the land 了解情況；估計(jì)形勢(shì)14、I dont want to upset you, but I found your menu so limited that I stopped worrying and started a

31、dvertising the benefits of my food.我不想讓你不高興，但我發(fā)現(xiàn)你的菜單很有限，現(xiàn)在我不再擔(dān)心了，我要開(kāi)始宣傳我食品的好處。benefit 用法歸納：（1）對(duì)有利 The fresh air here will benefit you. 這兒的新鮮空氣對(duì)你有利。The new factory will benefit this area. 新工廠對(duì)這個(gè)地區(qū)有利。（2）受益；得到好處 You will benefit from the fresh air here. 你會(huì)受益于這兒的新鮮空氣的。The patient hasnt benefited from th

32、e treatment. 病人并沒(méi)有從治療中得到好處。特別提示:benefit表示“對(duì)有利”時(shí)為及物動(dòng)詞；表示“受益；得到好處”時(shí)為不及物動(dòng)詞，后面多跟from, 有時(shí)跟by。15、In this way they cut down the fat and increased the fiber in the meal.這樣，他們減少了飯菜中脂肪的含量，增加了纖維素。cut down 用法歸納：(1）削減；減少You should cut down your smoking. 你應(yīng)該減少吸煙。We must cut down our expenses.我們應(yīng)該削減費(fèi)用。（2）砍倒 The wo

33、odcutter is cutting down a tree. 一個(gè)樵夫這在砍樹(shù)。Only a few trees can be cut down for firewood. 只有一少部分樹(shù)能夠被砍倒當(dāng)材燒。聯(lián)想擴(kuò)展cut across走捷徑 cut at向砍去 cut in 插嘴;干預(yù)cut off切斷;擋住cut out 刪掉；切除cut up 切碎;使難過(guò) 16、Their balanced diets became such a success that before long Wang Peng became slimmer and Yong Hui put on more wei

34、ght.他們的健康食品那么成功所以不久后王鵬瘦了，雍慧胖了。before long 不久以后 Schools will break up before long. 不久后學(xué)校要放假。Before long we will have our mid-term exams. 不久我們要進(jìn)行期中考試。易混辨析：before long表示“不久以后”，用于一般將來(lái)時(shí)態(tài)。而long before表示“很久以前”，用于過(guò)去時(shí)態(tài)。There was no electricity long before. 很久以前沒(méi)有電。17、Their balanced diets became such a success that before long Wang Peng became slimmer and Yong Hui put on more weight.他們的健康食品那么成功所以不久后王鵬瘦了，雍慧胖了。put on用法歸納：（1）穿上；戴上 Put on your coat, its co