英語專四語法詞匯題題型課件

1、英語專四模擬題英語專四模擬題詞匯篇詞匯篇1.The new colleague_to have worked in several big corporations before he joined our company.A. confesses B. declaresC claims D. confirms1.The new colleague_to have 1.答案：C【參考譯文】那位新同事聲稱他在進(jìn)入我們公司之前在好幾家大公司工作過?！驹囶}分析】本題為動詞詞義辨析題。【詳細(xì)解答】confess意為“承認(rèn)”; declare意為“宣布”; claim意為“宣稱，聲稱”; confirm

2、意為“確認(rèn)，證實”;解析1.答案：C解析2.During the reading lesson, the teacher asked students to read a few_from the novel.A. piecesB. essays C fragmentsD. extracts2.During the reading lesson, t2. 答案：D【參考譯文】在閱讀課上，老師要求學(xué)生讀小說的摘錄?！驹囶}分析】本題為名詞詞義辨析題。【詳細(xì)解答】piece指“張，件”； essays指“論文”； fragments指“碎片，片斷”； extracts指“摘錄，選錄”;解析2. 答案

3、：D解析3.During the summer holiday season it is difficult to find a(n)_room in the hotels here.A.empty B.vacant C.free D.deserted3.During the summer holiday se3. 答案：B【參考譯文】在暑假期間，旅館里面是很難找到一間空房子的?！驹囶}分析】本題為形容詞詞義辨析題?！驹敿?xì)解答】empty指“空的”，強(qiáng)調(diào)房間里無物體； vacant意為“空著的，無人住的”； free指“免費的；空閑的”； deserted指“荒廢的”.解析3. 答案：B解析4.

4、The old couple will never_the loss of their son.A.get over B.get away C.get off D.get across4.The old couple will never_4. 答案：A【參考譯文】這一對老夫婦永遠(yuǎn)不能從失去兒子的痛苦中恢復(fù)過來?！驹囶}分析】本題為動詞短語詞義辨析題?！驹敿?xì)解答】get over意為“痊愈，恢復(fù)”，指恢復(fù)健康、快樂等；get away意為“逃走”，常與from連用；get off意為“(使)不受懲罰，開脫”，常與with連用；get across意為“使人了解，使人明白”解析4. 答案：A解析5

5、.Scientific research results can now be quickly_to factory production.A.used B.applied C.tried D.practiced5.Scientific research results 5. 答案：B【參考譯文】現(xiàn)在的科學(xué)研究成果可以被很快地應(yīng)用于工業(yè)生產(chǎn)中?！驹囶}分析】本題考查對考固定搭配的掌握。【詳細(xì)解答】apply to意為“應(yīng)用到”，句中to是介詞，C、D項都不能與介詞to搭配； be used to+名詞動名詞，意為“習(xí)慣于”，不符合句意。解析5. 答案：B解析6. She did her work

6、_her manager had instructed.A. as B. until C. when D. though6. She did her work_her man6答案：A【參考譯文】她按照經(jīng)理的指示辦事?！驹囶}分析】本題考查關(guān)系詞的用法?！驹敿?xì)解答】 as可做關(guān)系詞引導(dǎo)方式狀語從句； until和when都引導(dǎo)時間狀語從句； though引導(dǎo)讓步狀語從句。根據(jù)句意，此處應(yīng)用關(guān)系詞引導(dǎo)方式狀語從句解析6答案：A解析7._of the twins was arrested, because I saw both at a party last night.A. None B. Bot

7、h C. Neither D. All7._of the twins was arreste7答案：C【參考譯文】那對雙胞胎都沒被捕，因為我昨晚在一個晚會上看見了他倆。【試題分析】本題考查代詞的用法?！驹敿?xì)解答】根據(jù)句意，此處指那對雙胞胎都沒被捕，所以可排除B、D項；none表示“沒有(人或物)”，后常跟of短語，作主語時謂語動詞可用單數(shù)或復(fù)數(shù)形式；neither表示“(二者之中)哪個也不”，后跟of短語，作主語時謂語動詞須用單數(shù)形式。此題中指雙胞胎兩個人中哪個也沒被捕解析7答案：C解析8.The police have offered a large_for information lead

8、ing to the robbers arrest.A. award B. compensation C. prize D. reward8.The police have offered a la8.答案：D【參考譯文】為了得到任何有助于逮捕搶劫者的信息，警方開出了一大筆酬金。【試題分析】本題為名詞詞義辨析題?！驹敿?xì)解答】 award意為“獎品，獎金”；compensation意為“補(bǔ)償金”；prize意為“獎品，獎賞”；reward意為“報酬，賞金”;解析8.答案：D解析9. I arrived at the airport so late that I_missed the plane.

9、A. only B. quite C. narrowly D. seldom9. I arrived at the airport so9答案：C【參考譯文】我趕到機(jī)場的時候已經(jīng)遲了，僅此片刻之差就錯過了飛機(jī)。【試題分析】本題為副詞詞義辨析題?！驹敿?xì)解答】 only意為“只不過，僅僅”； seldom意為“很少”，為頻度副詞；quite意為“完全，徹底”；narrowly修飾動詞miss, lose等，意為“幾乎，僅差一點”。解析9答案：C解析10. The popularity of the film shows that the reviewers fears were completel

10、y_.A. unjustified B. unjust C. misguided D. unaccepted10. The popularity of the film10答案：C【參考譯文】我趕到機(jī)場的時候已經(jīng)遲了，僅此片刻之差就錯過了飛機(jī)?！驹囶}分析】本題為副詞詞義辨析題?！驹敿?xì)解答】 only意為“只不過，僅僅”； seldom意為“很少”，為頻度副詞；quite意為“完全，徹底”；narrowly修飾動詞miss, lose等，意為“幾乎，僅差一點”。解析10答案：C解析11.The head of the Museum was_and let us actually examine

11、the ancient manuscripts.A. promising B. agreeing C. pleasing D. obliging11.The head of the Museum was_11.答案：D【參考譯文】博物館長非常熱心，帶我們參觀了古代的手抄本?！驹囶}分析】本題為形容詞詞義辨析題?！驹敿?xì)解答】promising意為“有希望的，有前途的”；agreeing不是形容詞，用法錯誤；pleasing意為“令人喜愛的，使人愉快的”；obliging意為“樂于助人的，懇切的”。解析11.答案：D解析 12.The multinational corporation was ma

12、king a take-over_for a property company.A. application B. bid C. proposalD. suggestion 12.The multinational corporat12.答案：B【參考譯文】那家跨國公司正提議接管一家地產(chǎn)公司?！驹囶}分析】本題為名詞詞義辨析題?！驹敿?xì)解答】 application意為“申請，請求”； bid意為“投票，報價”，make a bid for意為“出價買，企圖獲得”； proposal意為“提議”； suggestion意為“建議”。解析12.答案：B解析13.The party s reduced

13、 vote was_of lack of support for its policies.A. indicative B. positive C. revealing D. evident13.The party s reduced vote w13.答案：A【參考譯文】該黨選票減少表明它的政策不受支持?！驹囶}分析】本題為形容詞詞義辨析題?！驹敿?xì)解答】 indicative意為“指示的，表明的”； positive意為“積極的”； revealing意為“暴露的，顯露的”；evident意為“明白的，明顯的”。解析13.答案：A解析14. There has been a_lack of c

14、ommunication between the union and the management.A. regretful B. regrettable C. regretting D. regretted14. There has been a_lack o14答案：B【參考譯文】令人遺憾的是工會和管理層之間一直缺乏溝通?！驹囶}分析】本題為詞語辨析題?！驹敿?xì)解答】regretful意為“遺憾的”，一般指某人；regrettable意為“令人遺憾的，可惜的”； regretting和regretted為分詞形式，不能修飾名詞。故選項B為正確答案。解析14答案：B解析15. The teach

15、er_expects his students to pass the university entrance examination.A. confidentially B. proudly C. assuredly D. confidently15. The teacher_expects his15答案：D【參考譯文】這位老師滿有把握地期待他的學(xué)生們通過大學(xué)入學(xué)考試?！驹囶}分析】本題為副詞詞義辨析題?！驹敿?xì)解答】 confidentially意為“機(jī)密地，保密地”； proudly意為“自豪地”；assuredly意為“無疑地，一定”；confidently意為“確信地，有把握地”。解析

16、15答案：D解析 16.The_family in Chinese cities now spends more money on housing than before.A. normal B. average C. usual D. general 16.The_family in Chinese c16答案：B【參考譯文】中國城市的普通家庭在住房上的開銷比以前要多?！驹囶}分析】本題為形容詞詞義辨析題?！驹敿?xì)解答】 normal意為“正常的，標(biāo)準(zhǔn)的”； average意為“普通的，中等的”； usual意為“通常的”； general意為“一般性的，普遍的”。解析16答案：B解析17. T

17、om has been a vegetarian _principle for years .A. in B. on C. for D. by17. Tom has been a vegetarian 17答案：B【參考譯文】多年來，湯姆一直是一個按原則行事的素食者?！驹囶}分析】本題為介詞短語搭配題。【詳細(xì)解答】 on principle意為“根據(jù)行為準(zhǔn)則；按照原則”；in principle 意為“原則上；基本上；大體上”。for和by不與principle搭配。解析17答案：B解析18. When I got out of the car and walked about among th

18、em, _one old man who shook his head disapprovingly, they all began to cheer .A. see that B. except that C. provided that D. except for18. When I got out of the car 18答案：D【參考譯文】當(dāng)我下車走在他們中間的時候，除了一個老頭不滿地?fù)u了搖頭，大家都開始?xì)g呼?！驹敿?xì)解答】except for意為“除以外”，后接名詞；see that意為“留意；負(fù)責(zé)；務(wù)必”；except that意為“除去之外”后接句子；provided that意

19、為“倘若，在條件下”。 解析18答案：D解析 19.I am _grateful for the many kindnesses you have shown my son.A. excessively B. much C. certainly D. exceedingly 19.I am _grateful for the 19答案：D【參考譯文】我非常感激你給我兒子的那么多照顧?！驹囶}分析】本題為副詞詞義辨析題?！驹敿?xì)解答】exceedingly意為“非常，極其”；excessively意為“過多地，過分地”；much常以too much,so much,very much的形式出現(xiàn)；ce

20、rtainly意為“無疑地；一定”。 解析19答案：D解析 20.The _of AIDS has led to an expansion in research seeking a cure.A. innovation B. selection C. proliferation D. conviction 20.The _of AIDS has led to20答案：C【參考譯文】愛滋病的擴(kuò)散使得人們做更多的研究工作去尋找治療的方法 【試題分析】本題為名詞詞義辨析題?！驹敿?xì)解答】 proliferation意為“激增；擴(kuò)散”；innovation意為“革新，創(chuàng)新”；selection意為“選

21、擇；選拔”；conviction意為“定罪，判罪”。 解析20答案：C解析21. I am sorry I have no time at present to _more detail or give you an account of other cities of interest.A. bring into B. take into C. come into D. go into21. I am sorry I have no time 21答案：D【參考譯文】對不起，我眼下沒時間講得更細(xì)，也不能把其它旅游城市給你進(jìn)行一個描述。【試題分析】本題為介詞短語辨析題?！驹敿?xì)解答】go int

22、o意為“敘述；討論”；bring后面很少加into;take into和come into與本題意不符解析21答案：D解析 22.When the idea of winning in sports is carried to excess, _competition can turn into disorder and violence.A. honestly B. honest C. honorable D. honorary 22.When the idea of winning i22.答案：C【參考譯文】當(dāng)競爭意識發(fā)展到極端時，榮譽可能變成混亂和暴力【試題分析】本題為形容詞詞義辨析題

23、。【詳細(xì)解答】 honorable意為“榮譽的，光榮的”；honestly是副詞，意為“誠實地”，不能修飾名詞；honest雖能修飾名詞，但其意義不合題意；honorary意為“(學(xué)位、稱號等)作為一種榮譽而授予的，名譽的”。 解析22.答案：C解析 23.Unless all the members agree to _to the plan there may be further development in the course of action.A. tumble B. stick C. come D. adjust 23.Unless all the members agr23.

24、答案：B【參考譯文】 除非所有成員都同意堅持這個計劃，否則行動過程中會有進(jìn)一步改進(jìn)。【試題分析】本題為動詞詞組題?！驹敿?xì)解答】 stick to意為“堅持；堅守”；tumble to意為“突然察覺”；come to意為“降臨，發(fā)生”；adjust to意為“調(diào)整；適應(yīng)”。解析23.答案：B解析 24.You must pay import _on certain goods brought into this country.A. money B. fees C. bills D. duties 24.You must pay import _on24.答案：D【參考譯文】 帶入本國的某些商品

25、要交進(jìn)口稅【試題分析】本題為名詞詞義辨析題?！驹敿?xì)解答】duties意為“稅，關(guān)稅”；bill意為“帳單”；fee意為“費”。解析24.答案：D解析 25.We expect Mr. White will _Class One when Miss Jane retires.A. take over B. take up C. take off D. take to 25.We expect Mr. White will _25.答案：D【參考譯文】我們希望珍妮小姐退休后，懷特先生能夠接管一班?！驹囶}分析】本題為動詞詞組題?！驹敿?xì)解答】 take over意為“接收，接管”；take up意為“

26、開始采用；采取，承擔(dān)”；take off意為“脫去；拿掉”；take to意為“開始從事；開始沉湎于”；解析25.答案：D解析26. It was during summer breaks that we first taste the satisfaction work that_into hard currency.A. translates B. transfers C. transplants D. transmits26. It was during summer break26.答案：A【參考譯文】暑假期間，我們第一次嘗到了把勞動變成貨幣的滋味?！驹囶}分析】本題為名詞詞義辨析題。【

27、詳細(xì)解答】 translate意為“變換，把轉(zhuǎn)化成”；transfer意為“移交，遷移”；transplant意為“移植(器官)”；transmit意為“傳染(疾病)，傳達(dá)(知識)”解析26.答案：A解析27. In some cases, your instructor may tell you the topics_or may give you a choice of topics to write about.A. in advance B. ahead of C. above all D. right away27. In some cases, your instru27.答案：A

28、【參考譯文】在有些情況下，你的導(dǎo)師會事先告訴你題目或把題目給你由你選寫?！驹囶}分析】本題為動詞詞組題.【詳細(xì)解答】in advance意為“事先，預(yù)先”；ahead of意為“在之前”；above all意為“尤其，最重要的是”；right away意為“立刻；馬上”。解析27.答案：A解析28. It was the drivers_that caused him to step on the gas instead of the brake after his car went over the curb.A. fraud B. alarm C. terror D. panic28. It

29、 was the drivers_tha28.答案：D【參考譯文】車上了馬路邊后，司機(jī)由于驚慌，沒踩剎車，卻踩了油門。【試題分析】本題為名詞詞義辨析題。【詳細(xì)解答】 panic意為“驚慌，慌亂”；fraud意為“欺騙，騙局”；alarm意為“警報”；terror意為“恐怖”。解析28.答案：D解析29.Danny left this_message on my answering machine:I must see you. Meet me at twelve oclock. Did he mean noon or midnightA. ambiguous B. responsible C.

30、 implicit D. thoughtful29.Danny left this_message 29.答案：A【參考譯文】 丹尼在我們回答機(jī)上留下一條模棱兩可的信息：“我必須見你。12點來接我?！彼钦f中午還是半夜【試題分析】本題為形容詞詞義辨析題。【詳細(xì)解答】ambiguous意為“模棱兩可的；含糊的”；responsible意為“負(fù)責(zé)的”；implicit意為“暗含的”；thoughtful意為“沉思的，思考的”。解析29.答案：A解析 30.We looked for a table to sit down, but they were all_5_.A. reserved for

31、B. engaged in C. used up D. taken up 30.We looked for a table to s30.答案：D【參考譯文】我們要找個桌子坐下，可是所有餐桌都已有人?！驹囶}分析】本題為動詞詞組題.【詳細(xì)解答】 take up意為“占去(時間、地方、注意力等)”；reserve for意為“為留出，保留”；engage in意為“從事；參加”；use up意為“用完，用光；耗盡”解析30.答案：D解析語法篇語法篇1.Nebraska has floods in some years, _.A.in other droughtB.droughts are othe

32、rsC.while other droughtsD.others in drought1.Nebraska has floods in some 1.【答案】A【譯文】Nebraska在幾年內(nèi)有洪水，而在其他年份，Nebraska也有干旱.【解析】在并列從句中，為避免重復(fù)，相同的成分可以省略，原句為：“Nebraska has floods in some years, and Nebraska has drought in other years.”。1.【答案】A2._ all behavior is learned behavior is a basic assumption of so

33、cial scientists.A.NearlyB.That nearlyC.It is nearlyD.When nearly2._ all behavior is learned 2.【答案】B【譯文】幾乎所有的行為都是后天習(xí)得的行為是社會科學(xué)家的基本假設(shè)?！窘馕觥縯hat引導(dǎo)主語從句。2.【答案】B3.This picture is believed _ painted by Tom.A.it wasB.to beC.to beingD.to have been3.This picture is believed _3.【答案】D【譯文】這幅畫被認(rèn)為是湯姆畫的.【解析】動詞不定式的動作在

34、謂語動詞之前發(fā)生，要用動詞不定式的完成時。3.【答案】D4.Sir Dennis, who is 78, has made it known that much of his collection _ to the nation.A.has leftB.is to leaveC.leavesD.is to be left4.Sir Dennis, who is 78, has m4.【答案】D【譯文】丹尼斯爵士今年78歲，他的許多藏品將留給國家.?！窘馕觥縯hat引導(dǎo)的賓語從句中主語中心詞為collection，所以應(yīng)使用動詞的被動態(tài)，且動作發(fā)生在將來，用be to表示按計劃或正式安排發(fā)生的事

35、。本句中，it為形式賓語。4.【答案】D5.I hope that by posting the letter now at midday, I shall ensure _ it before the weekend.A.you receiveB.your receivingC.you to receiveD.your having received5.I hope that by posting the l5.【答案】B【譯文】我希望今天中午把信寄出去，以確保你能在周末前收到.【解析】ensure后需接動名詞或賓語從句。receive的動作發(fā)生在ensure之后，不能用完成時。5.【答案】

36、B6.They will wonder whether their life _ considerably by 2010.A.will have changedB.will be changingC.will have to changeD.is going to change6.They will wonder whether the6.【答案】A【譯文】他們想知道到2010他們的生活是否會有很大的改變.【解析】將來完成時表示到將來某一時刻已經(jīng)完成的動作，常與by連用。6.【答案】A7.The statesman and writer you talked with last month

37、_ at todays conference.A.was presentB.was presentingC.were presentD.were presenting7.The statesman and writer you7.【答案】A【譯文】你上個月談過話的政治家兼作家在今天的會議上。【解析】主語中有兩個名詞statesman和writer，但前面只有一個定冠詞the，所以statesman和writer指的是一個人，謂語動詞用單數(shù)。be present意為“出席（會議）”。7.【答案】A8.I _ provoded you with the money. Why didnt you a

38、sk me ?A.could haveB.hadC.must haveD.ought to have8.I _ provoded you with the8.【答案】A【譯文】我本可以給你錢。你為什么不問我？【解析】could have done表示過去某件可能發(fā)生而沒發(fā)生，意為“本來可以”。8.【答案】A9.My cat would not have bitten the toy fish, _ it was made of rubber.A.if she has knownB.she should have knownC.if she knewD.had she known9.My cat

39、 would not have bitten9.【答案】D【譯文】我的貓不會咬那條玩具魚，如果她知道它是用橡皮做的.【解析】在虛擬語氣的條件狀語從句中，連詞if可以省略，這時要把were/had/should提到從句主語前面進(jìn)行倒裝。9.【答案】D10._ are inert outside living cells, but within the appropriate cells they can replicate,causing viral diseases in the organism.A.VirusesB.That virusesC.Viruses, whichD.Despite

40、 viruses10._ are inert outside livin10.【答案】A【譯文】病毒在活細(xì)胞之外是惰性的，但在適當(dāng)?shù)募?xì)胞內(nèi)它們可以復(fù)制，從而導(dǎo)致機(jī)體內(nèi)的病毒性疾病.。【解析】根據(jù)句中的but判斷，本句為并列句，空處所缺為前一句的主語。10.【答案】A11._ your body does after the stimulus has acted is called the response.A.WhenB.HowC.WhatD.That11._ your body does after th11.【答案】C【譯文】你的身體在刺激作用后做什么叫做反應(yīng)。【解析】what引導(dǎo)主語從句

41、并在從句中作賓語11.【答案】C12._, astronomy is a field in which amateurs can make significant contributions.A.Not only most other sciencesB.In most other sciencesC.However most other sciencesD.Unlike most other sciences12._, astronomy is a field i12.【答案】D【譯文】不像其他大多數(shù)科學(xué)，天文學(xué)是一個業(yè)余愛好者可以作出重大貢獻(xiàn)【解析】unlike引導(dǎo)介詞短語，意為“不象”1

42、2.【答案】D13.Take your handbag and hang it _ you can find enough space.A.whichB.in whichC.whereverD.whether13.Take your handbag and hang 13.【答案】C【譯文】帶上你的手提包，把它掛在任何你能找到足夠空間的地方?！窘馕觥窟B接副詞wherever意為“在任何地方”13.【答案】C14.DNA, _, is found in the cell nucleus in the form of very long and thin molecules consisting

43、of two spiral strands.A.inherits materialB.is inheritance materialC.material is inheritedD.the material of inheritance14.DNA, _, is found in the c14.【答案】D【譯文】DNA是遺傳物質(zhì)，存在于細(xì)胞核中，是由兩條螺旋鏈組成的很長很細(xì)的分子.【解析】the material of inheritance為名詞詞組，作同位語，解釋限定主語14.【答案】D15.Potential dehydration is _ that a land animal fa

44、ces.A.the often greatest hazardB.the greatest often hazardC.often the greatest hazardD.often the hazard greatest15.Potential dehydration is _15.【答案】C【譯文】 潛在的脫水往往是陸地動物面臨的最大危險.?！窘馕觥扛痹~often須緊跟在系動詞is之后，形容詞最高級必須在名詞hazard之前15.【答案】C16.Before every presidential election in the United States, the statisticia

45、ns try to guess the proportion of the population that _ for each candidate.A.are votedB.votingC.to be votedD.will vote16.Before every presidential e16.【答案】D【譯文】在美國的每一次總統(tǒng)選舉之前，統(tǒng)計學(xué)家都試圖猜測投票給每個候選人的人口的比例。【解析】在that引導(dǎo)的定語從句中，邏輯主語是the proportion of the population,謂語動詞應(yīng)用主動形式。用將來時表示對將來的推測。16.【答案】D17.Although th

46、under and lightning are produced at the same time, light waves travel faster _, so we see the lightning before we hear the thunder.A.than sound waves doB.than sound waves areC.do sound wavesD.sound waves17.Although thunder and lightn17.【答案】A【譯文】雖然閃電和閃電同時產(chǎn)生，光波的傳播速度比聲波快，所以我們在聽到雷聲之前就看到了閃電.?！窘馕觥勘容^級中所比較的

47、兩個事物是對等的平行關(guān)系，應(yīng)保持語法上的一致和語義上的對等。than后完整的形式應(yīng)該是than sound waves travel，為了簡練，用do代替travel。17.【答案】A18.All the committee members said the lecture was _ a second time.A.worth to listenB.worth being listened toC.worth listening toD.worth to listen to18.All the committee members s18.【答案】C【譯文】所有的委員都說這次講座值得一聽.【解

48、析】be worth(doing) something意為“值得某物，值得做某事”，相當(dāng)于be worthy of。18.【答案】C19.Anna was reading a piece of science fiction, completely _ to the outside world.A.being lostB.having lostC.losingD.lost19.Anna was reading a piece of19.【答案】D【譯文】安娜在讀一本科幻小說，完全不關(guān)心外面的世界?！窘馕觥窟^去分詞作伴隨狀語，表示主句的邏輯主語是該動作的承受者19.【答案】D20.The pro

49、blem of _ to select as his successor was quickly disposed of.A.whatB.whichC.whomD.how20.The problem of _ to selec20.【答案】C【譯文】選誰作接班人的問題很快就解決了.【解析】“疑問詞+動詞不定式”作介詞of的賓語，whom充當(dāng)select的賓語。20.【答案】C21.The first people to live in _ Hawaii were by Polynesians, who sailed here in large canoesfrom other Pacific

50、islands about 2,000 years ago.A.now where isB.what is nowC.it is nowD.now this is21.The first people to live in21.【答案】B【譯文】第一個住在現(xiàn)在夏威夷的波利尼西亞人，在大約2000年前駕駛大型獨木舟從其他太平洋島嶼來。【解析】what引導(dǎo)的從句作介詞in的賓語.21.【答案】B22.Hover craft, or air-cushion vehicles, are unusual _ travel over land and water on a layer of air.A.t

51、heyB.in theyC.that theyD.in that they22.Hover craft, or air-cushion22.【答案】D【譯文】氣墊船或氣墊車是不尋常的，因為他們在陸地和水上行駛時有一層空氣?！窘馕觥縤n that意為“因為”，相當(dāng)于because22.【答案】D23.Of all the economically important trees, palms have been _.A.the last studiedB.study the leastC.study less and lessD.to study the less23.Of all the economically imp23.【答案】A【譯文】在所有的經(jīng)濟(jì)作物中，棕櫚樹是最后被研究過的.。【解析】the least studied意為“被研究得最少”。這里使用率動詞現(xiàn)在完成時的被動語態(tài)。23.【答案】A2