高中英語(yǔ)必修二 課文詳解Book 2-unit 4

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1、必修二 Unit 4 Wildlife Protection 野生保護(hù) I． Vocabulary wildlife n. 野生動(dòng)植物 protection n. 保護(hù) habitat n.棲息地 threaten vt. & vi.減少，變小 decrease vi. & vt. 危險(xiǎn)；使受到威脅 endanger vt.危害；是受到危險(xiǎn) die out 滅亡；逐漸消失 loss n.損失；遺失；喪失 reserve n. 保護(hù)區(qū) hunt vt. & vi.打獵；獵取；搜尋 zone n. 地域；地帶；地區(qū) in pea

2、ce和平地；和睦地；安詳?shù)? in danger (of)在危險(xiǎn)中；垂危 species n.種類；物種 carpet n.地毯 respond vi.回答；響應(yīng)；做出反應(yīng) distant adj.遠(yuǎn)的；遠(yuǎn)處的 relief n.(痛苦或憂慮的)減輕或解除； 減輕痛苦的事物 in relief 如釋重負(fù)；松了口氣 laugher n.笑；笑聲 burst into laughter突然笑起來(lái) mercy n.仁慈；寬?。粦z憫 certain adj.確定的；某一；一定 It is certain that … 一定…… importance n.

3、重要（性） rub vt.擦；摩擦 protect…from…保護(hù)…不受(危害) mosquito n.蚊子 insect n.昆蟲(chóng) contain vt.包含；容納；容忍 powerful adj.強(qiáng)大的；有力的 affect vt. 影響；感動(dòng)；侵襲 attention n.注意；關(guān)注；注意力 pay attention to注意 appreciate vt.鑒賞；感激；意識(shí)到 succeed vi. 成功；vt.接替；繼任 rhino n.犀牛 secure adj. 安全的；可靠的 antelope n.羚羊 bite vt.

4、& vi.(bit, bitten)咬；叮 extinction n.滅絕；消亡 dinosaur n.恐龍 come into being形成；產(chǎn)生 county n.縣；郡 inspect vt.檢查；視察 unexpected adj.沒(méi)料到的；意外的 incident n.事件；事變 dust n. 灰塵；塵土；塵埃 according to 按照；根據(jù)…所說(shuō) disappearance n.消失 fierce adj.兇猛的；猛烈的 so that 以致于；結(jié)果 ending n. 結(jié)局；結(jié)尾 faithfully adv.忠誠(chéng)地

5、；忠實(shí)地 Colobus monkey (非洲產(chǎn))疣猴；髯猴 income n.收入 employ vt.雇用；利用（時(shí)間、精力等） harm n. & vt. 損害；危害 fur n. 皮毛；毛；軟毛 II. Reading HOW DAISY LEARNED TO HELP WILDLIFE 黛西學(xué)習(xí)怎樣保護(hù)野生動(dòng)植物 Daisy had always longed to help endangered species of wildlife.譯文：黛西總是渴望幫助頻域滅絕 的野生動(dòng)植物物種。【注釋：①long vi.渴望; 極想 eg.

6、 We are longing to see you.我們極想見(jiàn)到你。 ②endangered species瀕于滅絕的物種】 One day she woke up and found a flying carpet by her bed.譯文：一天，她醒來(lái)發(fā)現(xiàn)一個(gè)飛毯在她的床邊?！咀⑨專篴 flying carpet“一個(gè)飛毯”，其中flying是動(dòng)名詞作定語(yǔ)，表示所修飾名詞的作用或用途;而a sleeping boy中的sleeping則是現(xiàn)在分詞作定語(yǔ)，表示所修飾的名詞的狀態(tài)，即“a boy is sleeping一個(gè)小孩正處于睡覺(jué)中”.】 “Where do you want t

7、o go?” it asked.譯文：毯子問(wèn)道：“你想到哪里去？” Daisy responded immediately.譯文：黛西立刻應(yīng)答?！咀⑨專孩舦t. & vi.回答; 回報(bào); 響應(yīng) eg. 1) I offered him a drink but he did not respond.我請(qǐng)他喝酒, 但他未作回答。 2) They responded my joke by laughing.他們對(duì)我的笑話報(bào)以大笑。 ⑵vi.有反應(yīng); 有效果; 有影響 eg. Their envoy showed no sign of responding to our proposal

8、s.他們的代表對(duì)我方的提議毫無(wú)回應(yīng)的跡象。】 “I’d like to see some endangered wildlife,” she said.譯文：她說(shuō)：“我極想看看某種頻域滅絕的野生動(dòng)植物物種?！薄咀⑨專篒’d like (to do) sth.句中的like是動(dòng)詞，后可跟名詞、代詞、動(dòng)詞不定式作賓語(yǔ)；而I feel like sth.句中的like為介詞，后可跟名詞、代詞、動(dòng)名詞作賓語(yǔ)。如： I’d like to help you if you feel like asking me to do so.】 “Please take me to a distant land w

9、here I can find the animal that gave fur to make this sweater.”譯文：請(qǐng)把我?guī)У揭粋€(gè)遙遠(yuǎn)的地方，在那里能找到給我們提供做毛衣皮毛的動(dòng)物?！咀⑨專簑here I can …sweater是定語(yǔ)從句，修飾限制先行詞land； that gave …sweater又是一個(gè)定語(yǔ)從句，修飾限制先行詞animal; to make this sweater是不定式短語(yǔ)作定語(yǔ)，修飾限制名詞fur.】 At once the carpet flew away and took her to Tibet.譯文：那毯子飛走了，把她帶到了西藏。【注釋：t

10、ake sb./sth. to sp.把某人或某物帶到某處 eg. Tom, take these apples to Kate, please!湯姆，請(qǐng)把這些蘋(píng)果帶給凱特去?！?There Daisy saw an antelope looking sad.譯文：在那里，黛西看見(jiàn)了一直藏羚羊面色憂傷?！咀⑨專?looking sad是現(xiàn)在分詞作定語(yǔ)，修飾名詞antelope，當(dāng)分詞作定語(yǔ)時(shí)，是用現(xiàn)在分詞還是用過(guò)去分詞主要取決于分詞與所修飾的名詞之間的關(guān)系：即如若是主動(dòng)關(guān)系，就用現(xiàn)在分詞（如: 1.(09贛-34) The government plans to bring in new

11、 laws ____ parents to take more responsibility for the education of their children. A. forced B. forcing C. to be forced D. having forced 2. (09浙-7) There is a great deal of evidence _____ that music activities engage different parts of the brain. A. indicate B. indicating

12、 C. to indicate D. to be indicating 3. (06津-10) Don’t respond to any e-mails _____ personal information, no matter how official they look. A. searching B. asking C. requesting D. questioning ）；如若是被動(dòng)關(guān)系，就用過(guò)去分詞（如：1. (09申-33) With the government’s aid, those ____ by the earth

13、quake have moved to the new settlements. A. affect B. affecting C. affected D. were affected 2. (09全I(xiàn)-35) Now that we’ve discussed our problem, are people happy with the decisions ___? A. take B. taking C. taken D. to take 3. (09京-24) For breakfast he onl

14、y drinks juice from fresh fruit ____ on his own farm. A. grown B. being grown C. to be grown D. to grow 】 It said, “We’re being killed （正被殺）for the wool beneath our stomachs. Our fur is being used to（正被用來(lái)） make sweaters for people like you. As a result, we are now an endangered s

15、pecies.”譯文：她說(shuō)：“為了要我們腹部下面的毛，我們正面臨殺戮，我們的皮毛被用去給你們這樣的人做毛衣。結(jié)果，我們成為瀕危滅絕的物種?！薄咀⑨專篴s a result結(jié)果 eg. 結(jié)果, 因此 eg. 1) As a result, he had to leave.結(jié)果他只得離開(kāi)。 2) There was a substantial(重大的；重要的；大量的；實(shí)質(zhì)的) growth of industry and foreign trade increased as a result.由于工業(yè)的大發(fā)展, 對(duì)外貿(mào)易也發(fā)展了?！?At that Daisy cried, 譯文：聽(tīng)到

16、這，黛西哭了：【注釋：at在本句中是表示原因“因?yàn)? 由于; 由于有, 由于應(yīng)…”，可以譯為“聽(tīng)到…”. eg. 1) We were frightened at the terrible sight.看到這可怕的景象, 我們被嚇呆了。 2) I’m very glad at the news that my father will come back in three days.聽(tīng)到爸爸三天后要回來(lái)，我非常高興。 另外，at that也可表示“因此，而且” eg. 1) The food was excellent, and cheap at that.飯菜很好而且很便宜。 2

17、) So we can let it go at that.因此我們可以就這樣了。】“I’m sorry I didn’t know that.譯文：對(duì)不起，我不知道這些。 I wonder what is being done to help you. 譯為：我想知道該做些什么能幫你呢. Flying carpet, please show me a place where there’s some wildlife protection.”譯文：飛毯，請(qǐng)讓我看一個(gè)有野生動(dòng)植物保護(hù)的地方。 The flying carpet travelled so fast that next minu

18、te they were in Zimbabwe.譯文：飛毯快速飛行，轉(zhuǎn)眼間他們就到了津巴布韋?！咀⑨專孩賡o…that…:如此…以致于… eg. They ran so fast that I couldn’t follow them. ②next minute 副詞短語(yǔ)，譯為“轉(zhuǎn)眼間”?！?Daisy turned around and found that she was being watched by an elephant.譯文：黛西轉(zhuǎn)過(guò)身的來(lái)，發(fā)現(xiàn)一頭大象正注視著她?！咀⑨專簍urn around ⑴(使)轉(zhuǎn)身, (使)轉(zhuǎn)換方向 eg. The bus had to

19、 back up and turn around.那輛公共汽車(chē)不得不先往后退, 然后再掉頭。 ⑵(使)好轉(zhuǎn) eg. Do you think our housing sales will turn around during this year?你認(rèn)為今年我們的住宅銷路會(huì)好轉(zhuǎn)嗎?】 “Have you come to take my photo?” it asked.譯文：它問(wèn)道：“你是來(lái)給我拍照的嗎？”【注釋：take one’s photo(= take a photo of sb.)給某人拍照 eg. Tom, would you please take my photo?湯姆

20、，請(qǐng)你給我拍張照片好嗎？】 In relief Daisy burst into laughter.譯文：顯然，黛西突然大笑起來(lái)?！咀⑨專孩賗n relief浮雕一般；鮮明地；顯著地 eg. Tom stood still there, in relief.湯姆靜靜地站在那里，一動(dòng)不動(dòng)，浮雕一般。 ②burst into laughter突然大笑； burst into flame著火； burst into tears突然大哭】 “Don’t laugh,” said the elephant,譯文：大象說(shuō)道：“別笑！” “We used to be an endangered speci

21、es. 譯文：“我們過(guò)去曾是瀕危滅絕的物種，【注釋：used to …指“過(guò)去一向,過(guò)去時(shí)常;過(guò)去曾(而現(xiàn)在不再)做” eg. The Greeks used to worship several gods.過(guò)去,希臘人崇奉好幾種神。eg. 】Farmers hunted us without mercy.譯文：農(nóng)民們無(wú)情地捕獵我們。【注釋：without mercy無(wú)情地 eg. He was treated without mercy.他受到無(wú)情地對(duì)待?！?They said we destroyed their farms, and money from tourists on

22、ly went to the large tour companies.譯文：他們說(shuō)我們破壞了莊稼，而旅游業(yè)所得的錢(qián)都給了大旅游公司。 So the government decided to help.譯文：所以政府決定幫助。 They allowed tourists to hunt only a certain number of animals if they paid the farmers.譯文：如果對(duì)農(nóng)民有利，政府允許游客捕獵一定量的動(dòng)物?！咀⑨專孩賞ay有利可圖; (對(duì)…)有利, (對(duì)…)值得 eg. 1) Crime doesn't pay.犯罪得不償失。 2) It p

23、ays to advertise.登廣告很有用。 ②a certain number of…一定量的】 Now the farmers are happy and our numbers are increasing.譯文：現(xiàn)在農(nóng)民們高興，我們的數(shù)量也在增加。 So good things are being done here to save local wildlife.”譯文：所以這里對(duì)保護(hù)野生動(dòng)植物竟做了如此好事。 Daisy smiled.譯文：黛西微笑了。 “That’s good news.譯文：那是好消息。 It shows the importance of wildlif

24、e protection, but I’d like to help as the WWF suggests.”譯文：這表明野生動(dòng)植物保護(hù)的重要性，不過(guò)正如野生動(dòng)植物基金會(huì)所建議的那樣，我想幫助做點(diǎn)事?！咀⑨專篴s conj. ⑴ *used to indicate that something happens during the time when something else is taking place[用于表示在一件事情發(fā)生的同時(shí)另一件事情發(fā)生了] 當(dāng) eg. 1) Frank watched him as he ambled through the crowd.當(dāng)他在人

25、群中漫步時(shí)，弗蘭克注視著他。 2) as she grew older, she kept more to herself.隨著年齡的增長(zhǎng)，她變得更沉默了。⑵ *used to indicate by comparison the way that something happens or is done[用于通過(guò)比較來(lái)表示某事發(fā)生或完成的方式]以…的方式，如同…那樣 eg. 1) dress as you would if you were having guests.你該穿得像是家里有客那樣。 3) they can do as they wish.他們能隨心所欲。 4) sh

26、e kissed him goodbye, as usual.她同平常一樣和他吻別。 ⑶ * used to add or interject a comment relating to the statement of a fact[用于在陳述中增加或插入評(píng)論] 正如… eg. as you can see, I didn't go after all.你看，我畢竟沒(méi)有去。 ⑷ *because; since因?yàn)?；既然eg. I must stop now as I have to go out.我得就此打住了，因?yàn)槲业贸鋈ァ? ⑸ *even though盡管，雖然 eg.

27、 1) sweet as he is, he doesn't pay his bills.他雖然和藹可親，卻不買(mǎi)賬。 2) try as he might, he failed to pull it off.雖然他一試再試，卻沒(méi)有成功?？碱}： 1. (06津-12) The Beatles, ____ many of you are old enough to remember, came from Liverpool. A. what B. that C. how D. as 2. (09贛-24) According to statistics, a

28、 man is more than twice as likely to die of skin cancer ____ a woman. A. than B. such C. so D. as 3. (09津-14) I travel to the Binhai New Area by light railway every day, ____ do many businessmen who live in downtown Tianjin. A. as B. which C. when D. though 4. (

29、06粵-26) Jenny was very sad over the loss of the photos she had shot at Canada, ___ this was a memory she especially treasured. A. as B. if C. when D. where 】 The carpet rose again and almost at once they were in a thick rainforest. 譯文：飛毯又起飛了，幾乎立刻他們就到了一片濃密的雨林。【注釋：at once立刻 e

30、g. 1) I'm leaving for Rome at once.我馬上就去羅馬。 2）He offered to go at once.他主張立刻就去?！?A monkey watched them as it rubbed itself. 譯文：當(dāng)一只猴子在撓癢的時(shí)候看見(jiàn)了他們，“What are you doing?” asked Daisy.譯文：“你在干什么？”黛西問(wèn)道。 “I’m protecting myself from mosquitoes,” it replied.譯文：“我在防蚊子”它答道?！咀⑨專簆rotect … from…/protect…against…保

31、護(hù)…免受（攻擊） eg. he tried to protect Kelly from the attack.他盡力保護(hù)凱麗不受襲擊。 *prevent/stop… (from)…; keep … from…阻止, 防止 eg. 1) My only idea was to prevent the woman from speaking.我唯一的想法就是不讓那女人講話。 2) Cotton mittens will prevent the baby from scratching his own face.棉的連指手套使嬰兒不會(huì)抓傷自己的臉。 3) The guard stopp

32、ed him from going through the gate.警衛(wèi)不讓他通過(guò)大門(mén)。 4) Urgent business kept me from attending the meeting.因有急事我不能去參加會(huì)議?！?“When I find a millipede insect, I rub it over my body.譯文：當(dāng)找到千足蟲(chóng)，我就把它在我身上擦擦。 It contains a powerful drug which affects mosquitoes.譯文：它含有一種能驅(qū)蚊子的藥物。【注釋：①contain含有，包含; 容納 eg. 1) Whisky

33、contains a large percentage of alcohol.威士忌的酒精含量極高。 2) Rice contains protein and fat.大米含蛋白質(zhì)和脂肪。 3) The hall can contain two hundred people.大廳可以容納200人。 4) What is contained in this drawer?這抽屜里裝的是什么? ② affect vt.影響；感動(dòng)；（疾病）侵襲 be greatly affected很受感動(dòng)； be affected by heat中暑； be affected with high feve

34、r發(fā)高燒 eg. 1) The amount of rain affects the growth of crops.雨量影響農(nóng)作物的生長(zhǎng)。 2） She was deeply affected by the news of her father’s death.他父親去世的消息使她深受震動(dòng)。 辨析：affect， effect, influence ⑴ affect是動(dòng)詞，意思是“使發(fā)生變化”或“使產(chǎn)生影響”，且多表示不太好的影響或作用。 如：Her kidneys had become affected.她的腎臟受到了感染。 ⑵ effect是名詞，意思是“作用，后果，效用”

35、，常用于短語(yǔ)have an effect on. 如： To affect a policy is to have an effect on it.影響一項(xiàng)政策就是對(duì)該政策具有一種影響。 ⑶ influence有動(dòng)詞和名詞詞性，指通過(guò)說(shuō)服、舉例等對(duì)行動(dòng)、思想、性格等產(chǎn)生不易覺(jué)察到的、潛移默化的影響。如：Probably we influenced each other.很可能我們相互影響了對(duì)方?！?You should pay more attention to the raimnnforest where I live and appreciate how the animals li

36、ve together.譯文：你應(yīng)當(dāng)多注意我們所居住的雨林，并體會(huì)動(dòng)物是怎樣生活在一起的?！咀⑨專篴ppreciate ⑴意識(shí)到, 體會(huì) eg. I really appreciate the danger of this job.我真的認(rèn)識(shí)到了這份工作的危險(xiǎn)。 ⑵感激, 感謝 eg. I appreciate your help very much.我非常感謝你的幫助。 ⑶欣賞, 賞識(shí), 重視 eg. You can't appreciate English poetry unless you understand its rhythm.你若不懂英文詩(shī)韻律, 就無(wú)法欣賞英

37、文詩(shī)。 ⑷ 為…表示感謝 eg. I'd appreciate any information you could give me.(= I’d appreciate it if you could give me any information.)如果你能向我提供信息，我會(huì)感激不盡。】 No rainforest, no animals, no drugs.”譯文：沒(méi)有雨林，就沒(méi)有動(dòng)物；沒(méi)有動(dòng)物，就沒(méi)有藥物。 Daisy was amazed.譯文：黛西感到有點(diǎn)吃驚。 “Flying carpet, please take me home so I can tell WWF and

38、 we can begin producing this new drug.譯文：“飛毯，請(qǐng)把我?guī)Щ丶?，以便我能告訴世界野生動(dòng)物基金會(huì)，以及我們能夠生產(chǎn)這種新藥。 Monkey, please come and help.”譯文：猴子，來(lái)幫忙！” The monkey agreed.譯文：猴子同意了。 The carpet flew home.譯文：飛毯飛回了家。 As they landed, things began to disappear.譯文：他們一著陸，情況開(kāi)始變化。 Two minutes later everything had (been） gone — the monkey

39、, too.譯文：兩分鐘之后，一切都消失了——猴子也沒(méi)有了。 So Daisy was not able to make her new drug.譯文：所以黛西不能生產(chǎn)她的新藥。 But what an experience!譯文：多么（有趣的）一次經(jīng)歷呀！ She had learned so much!譯文：她學(xué)到了那么多！ And there was always WWF…譯文：總還有世界野生動(dòng)物基金會(huì)…… 【重點(diǎn)句型】 1．That’s good news.It shows the importance of wildlife protection，but I’d like to

40、 help as the WWF suggests.【精提取】　suggest vt.建議。【巧應(yīng)用】　有人建議推遲會(huì)議。 It was suggested that the meeting ______ _____ ______ ______. 答案：should be put off 2．They lived on the earth tens of millions of years ago，long before humans came into being and their future seemed secure at that time.【精提取】　before作連詞連接

41、時(shí)間狀語(yǔ)從句。 【巧應(yīng)用】　得過(guò)很久他才能恢復(fù)。 It will be long _______ ____ ____ _______ _______. 答案：before he gets well again 3．Daisy had always longed to help endangered species of wildlife.【精提取】　long to do sth.渴望做某事?！厩蓱?yīng)用】　她渴望放假回家，再次見(jiàn)到她的家人。 She ________ _____ ______ ____ __________ to go home and see her famil

42、y again. 答案：longed to have a holiday 4．Flying carpet，please show me a place where there’s some wildlife protection. 【精提取】　some后接單數(shù)可數(shù)名詞表示未知的或未確定的某個(gè)人或事物?！厩蓱?yīng)用】　由于某種原因他未參加晚會(huì)。He didn’t _______ _____ ________ _____ _________ _________. 答案：attend the party for some reason 【辯詞】 1. include，contain

43、(1) include包括，側(cè)重被包含者只是整體中的一部分。Eg. Our six-city tour included a visit to London.我們的六城市旅行包括到倫敦的訪問(wèn)。 (2) contain包括，側(cè)重“整體內(nèi)有”，指在某一范圍或容器內(nèi)能容納某物。不用于進(jìn)行時(shí)態(tài)。 Eg. ① This bottle contains two glasses of beer.這個(gè)瓶子可容納兩杯啤酒。 高效記憶 ② This book contains all the information you need.這本書(shū)包含了你所需要的所有內(nèi)容。 container cont

44、ain fruits including apples 容器 裝有 水果 包括 蘋(píng)果 1．(2008年高考全國(guó)卷Ⅱ)Little Johnny felt the bag，curious to know what it________. A．collected　　　B．contained C．loaded D．saved 解析：選B。句意：小約翰尼摸了一下袋子，非常好奇地想知道里面裝著什么東西。collect“收集，搜集”；contain“含有，裝有”；load“裝載”；save“節(jié)省”。 【句型考點(diǎn)】 1.【教材原句

45、】 That’s good news.It shows the importance of wildlife protection，but I’d like to help as the WWF suggests. 這是個(gè)好消息，它表明了野生動(dòng)物保護(hù)的重要性，不過(guò)我想按照世界野生生物基金會(huì)的建議幫助你們。 【句法分析】 (1) as在句中引導(dǎo)方式狀語(yǔ)從句，意為“按照；如同”。Eg. ①You must do everything as I do.你必須照著我來(lái)做每一件事。 ②When in Rome，do as Romans do.入鄉(xiāng)隨俗。(在羅馬時(shí)就要像羅馬人那樣做)。 ③I

46、 will do as you advise.我會(huì)照你的忠告去做。 (2) suggest vt.建議；暗示；推薦 （sb./ sb.'s) doing sth. Eg. He suggested going out for a walk. 1) suggest (建議） (to sb.) that sb. (should) do sth. Eg. I suggested to him that he should

47、 join in the club activities. sth. (to sb.) eg. I suggest a visit to the Great Wall next month (to him). It is suggested/ advised that sb. (should) do sth. Eg. It was suggested that the meeting(should)be put off.有人建議推遲會(huì)議。 2) suggest作“暗示；表明”之意時(shí)，可接名詞或從句，但從

48、句中的謂語(yǔ)動(dòng)詞要根據(jù)主句的謂語(yǔ)動(dòng)詞決定其形式。Eg. The pale look on his face suggested that he was ill.他臉色蒼白，表明他病了。 3) suggestion n．[C]　建議；跡象 at/on sb.’s suggestion根據(jù)某人的建議; make/offer a suggestion提出建議 Eg. They made a suggestion that we(should)go there by train.他建議我們應(yīng)該坐火車(chē)去那兒。 【考題】 (2009上海)Bill suggested __

49、a meeting on what to do for the Shanghai Expo during the vacation. A．having held　　B．to hold C．holding D．hold The parents suggested __ in the hotel room but their kids were anxious to camp out during the trip. A．sleep B．to sleep C．sleeping D．having slept 2.【教材原句】 They li

50、ved on the earth tens of millions of years ago，long before humans came into being.千百萬(wàn)年前恐龍就在地球上生活，比人類的出現(xiàn)要早得多。 【句法分析】 (1)long before相當(dāng)于long long ago，意為“很久以前”，常用于過(guò)去時(shí)或過(guò)去完成時(shí)的句子中作時(shí)間狀語(yǔ)，before后邊可以跟從句。 (2)before long相當(dāng)于soon或a little later，意為“不久；不久以后”，常與將來(lái)時(shí)、過(guò)去時(shí)態(tài)連用，在句中作狀語(yǔ)，不可以直接加從句。 (3) It is/was not long be

51、fore＋從句　不久就…… It will not be long before＋從句　過(guò)不了多久就……(主句用一般將來(lái)時(shí)，從句用一般現(xiàn)在時(shí)) (4)It will be long before＋從句　要過(guò)很久才…… ①I(mǎi)t won’t be long before he goes abroad.不久之后他就要出國(guó)。 ②I had heard of him long before I came here.早在我來(lái)這兒很久以前我就聽(tīng)說(shuō)過(guò)他的情況。 ③It didn’t take long before the fire was put out. 不久火就被撲滅了。 —Why did

52、n’t you ask the teacher the question? —She had left the office ________ I had time to do it. A．a(chǎn)s B．till C．a(chǎn)fter D．before 解析：選D。該句意為：我還沒(méi)來(lái)得及問(wèn)她問(wèn)題，她就離開(kāi)了辦公室。 (2009年重慶第一次診斷)The president made a mistake，but then he corrected the situation________it got worse. A．until B．while C．before D．because 解析：選C?？疾檫B詞的用法。句意為：董事長(zhǎng)犯了一個(gè)錯(cuò)誤，但是后來(lái)他在情況惡化之前進(jìn)行了糾正。before表示“在……之前”。