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e后跟進行時態(tài),主句時態(tài)是一般現(xiàn)在時,可知while后面的從句時態(tài)用現(xiàn)在進行時。故選B。40.Today’s young people can’t live without smart phones. They keep their hands on the phones whenever they go, even while they_______meals.A.had B.will haveC.a(chǎn)re having D.were having【答案】C【解析】【詳解】句意:今天的年輕人沒有智能手機就活不下去。無論何時甚至在吃飯時他們都手里拿著手機??疾閯釉~時態(tài)。while表示一段時間,后面使用進行時態(tài),主句是一般現(xiàn)在時,可知從句使用現(xiàn)在進行時;故答案C。41.—I’m busy with my schoolwork these days.—That’s great! You won’t get good grades ______ you work hard.A.if B.becauseC.unless D.a(chǎn)fter【答案】C【解析】試題分析:句意:這些天我忙著學(xué)校工作。那太好了,除非你努力工作,否則你不會取得好成績。A. if如果; B. because因為; C. unless除非; D. after在……之后,根據(jù)句意此題選C。考點:考查連詞的用法42.She is so pleased with _____ he has done _____ she keeps praising him.A.what。 that B.that。 what C.that。 that【答案】A【解析】【詳解】句意:她對他所做的事情感到如此高興以至于她一直表揚他。根據(jù)句子結(jié)構(gòu)可知,第一個空是賓語從句,作be pleased with的賓語,從句中done后缺少賓語,故用what引導(dǎo),that引導(dǎo)賓語從句時,在從句中不作成分;第二個空考查的是so…that“如此……以至于……”這個句型,應(yīng)用that。故選A。43._____ they are very tired, they feel happy because they’ve finally finished their project.A.So B.Although C.If D.But【答案】B【解析】【詳解】句意:盡管他們很累,他們感到高興,因為他們終于完成了他們的項目。考查連詞辨析。A. So 因此;B. Although盡管;C. If如果;D. But但是。分析句意可知,他們雖然很累,但很快樂,前半句是讓步狀語從句,用Although。答案選B。44.My grandfather does Chinese Kung Fu every day _________ he is over eighty.A.since B.though C.until【答案】B【解析】句意:我爺爺每天練中國功夫,盡管他80多了。A. since 自從,因為; B. though盡管; C. until直到;根據(jù)My grandfather does Chinese Kung Fu every day和he is over ,盡管;故選B45.— What were you doing ______ I knocked at the door?— I was sleeping.A.unless B.onceC.when D.while【答案】C【解析】【詳解】試題分析:句意:-我敲門時,你在做什么?-我在睡覺。A.unless如果不,除非;引導(dǎo)條件狀語從句;B.once一旦……,引導(dǎo)條件狀語從句;C.when當(dāng)……時,表示兩個動作同時發(fā)生,主句一般使用過去時,從句使用過去進行時;D.while當(dāng)……時,表示兩個動作同時發(fā)生,后跟延續(xù)性動詞,從句一般使用進行時態(tài),表示一段時間。本題表示“當(dāng)……時”,knock是非延續(xù)性動詞,故選C??键c:考查連詞辨析。46.Helendidn39。tknowanythingaboutit_______herfathertoldher.A.if B.because C.a(chǎn)fter D.until【答案】D【解析】【詳解】句意:直到她的父親告訴她,她才知道關(guān)于它的一些事情??疾檫B詞辨析。if是否,如果;because因為;after在......之后;until直到。短語not ...until...意為“直到......才......”,故選D。47.She stopped talking her mother came into the room.A.a(chǎn)s soon as B.unless C.though【答案】A【解析】句意:她媽媽一進到房間里,她就停止了說話。A. as soon as 一就; B. unless 除非; C. though盡管;這里是考察連詞,根據(jù)She stopped talking 和her mother came into the ,可知是媽媽一進到房間里,她就停止了說話;故選A48.—Betty, do you know if Tony ______ the photo petition?—He will, if he ______ his project on Australia.A.enters。 finishes B.enters。 will finishC.will enter。 finishes D.will enter。 will finish【答案】C【解析】【詳解】句意:貝蒂,你知道托尼是否要參加攝影比賽?他會的,如果他完成了有關(guān)澳大利亞的課題。問句中if引導(dǎo)的是賓語從句,翻譯為是否,前者問的是將來;答語是由if引導(dǎo)的條件狀語從句,所以遵循主將從現(xiàn)的原則,所以if之后用一般現(xiàn)在時。所以答案選C。49. the journey was tiring,Jeff thought it was worth both the time and the money.A.As B.Since C.Unless D.Although【答案】D【解析】【詳解】句意:雖然旅途很累,杰夫認(rèn)為時間和金錢都值得。A. As當(dāng)……的時候;B. Since 自從;C. Unless除非;D. Although盡管。根據(jù)下文Jeff thought it was worth both the time and the ,這里用Although引導(dǎo)。根據(jù)題意,故選D。50.Eddie was sleeping _______ Millie was reading a magazine.A.until B.while C.before D.a(chǎn)fter【答案】B【解析】【分析】【詳解】試題分析:句意:埃迪在睡覺,同時米莉正在讀一本雜志。until直到;while當(dāng)……的時候,同時;before在……之前;after在……之后。while前后連接兩個進行時態(tài)的句子。所以選B。