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y I can39。t move it. 可知,其中心詞是形容詞heavy,因此用so....that.....句式,故選C。30.It has been much easier for me to go to work________ shared bikes appeared.But they also caused plenty of problems.A.since B.before C.unless D.though【答案】A【解析】句意:——自從共用自行車出現(xiàn)以來,我就更容易去上班了?!鼈円苍斐闪撕芏鄦栴}??疾檫B詞辨析題。A. since自從……,后接時間名詞或從句,表一段時間,用于現(xiàn)在完成時;B. before在……以前,表時間;C. unless除非,表條件;D. though盡管,表讓步。本句是時間狀語從句,可排除CD兩項。根據(jù)句意結構和語境,可知before不合句意,故選A。31.“A white elephant” means something that is useless, ___________ it may cost a lot of money.A.unless B.until C.since D.a(chǎn)lthough【答案】D【解析】【詳解】句意:“白象”指的是無用的東西,盡管它可能要花很多錢。考查連詞辨析。A. unless除非,引導條件狀語從句;B. until直到……才……,引導時間狀語從句;C. since由于,引導原因狀語從句;D. although盡管,引導讓步狀語從句。根據(jù)句意,本句是讓步狀語從句,故選D。32.There are fewer and fewer tigers in India. The situation will continue _______ humans stop hunting them for their fur and bones.A.if B.unless C.because D.since【答案】B【解析】試題分析:句意:印度有越來越少的老虎。如果人類不停止為了虎皮和虎骨獵殺老虎,情況會繼續(xù)。,表示條件;,表示相反的條件;,表示原因;,表示時間的起點;既然,表示原因?!叭绻弧蓖V?,情況會繼續(xù)。故選B??键c:考查連詞的用法33. Tom failed in the exam ag ain ______ he tried his best.A.if B.unless C.though D.because【答案】C【解析】試題分析:句意:盡管他盡了最大努力,湯姆在考試中又不及格。if是否,如果;unless除非,如果不;though雖然,盡管;because因為。故選C。【考點定位】考查連詞辨析34.—Jack, remember ______ off the lights when _______your bedroom.OK, I won’t forget, Mom.A.turning。 leaving B.to turn。 leave C.turning。 left D.to turn。 leaving【答案】D【解析】【詳解】句意:——杰克,記得離開臥室時把燈關掉?!冒桑瑡寢?,我不會忘記的??疾榉侵^語動詞。上一句句意:杰克,離開臥室時記得關燈。remember to do (未做);remember doing (已做)。when doing 。故選D。35.It was ______ lovely weather ______ we decided to spend the day on the beach.A.such a; that B.such; that C.such; as D.so; that【答案】B【解析】試題分析:句意:是那么好的天氣,以至于我們決定在沙灘上度過那一天的時光。so、such 區(qū)別:So,如此,那么,so+形容詞;such,如此,那么。such+(a/an)+(形容詞)+名詞,但名詞前有few,little,many,,故排除A,such…that…如此的……以至于……。結合句意,故選B。考點:考查連詞的用法。36.We can39。t cross the road the traffic lights turn green.A.until B.if C.while D.a(chǎn)s【答案】A【解析】【詳解】句意:我們要等交通信號燈變綠了才能過馬路??疾閺膶龠B詞。A. until直到;B. if如果;C. while當……時;D. as隨著。根據(jù)前文的can’t,可知構成not…until…引導的時間狀語從句,表示“直到……才……”,故選A。37.—Leonardo didn39。t win an Oscar he acted in The Revenant(荒野求生).一Yeah. It was hard for him to realize this dream, but he never gave up.A.a(chǎn)fter B.since C.when D.until【答案】D【解析】句意:——列奧納多直到他在《荒野求生》中才獲得奧斯卡獎?!堑?。對他來說很難實現(xiàn)這個夢想,但他從不放棄??疾檫B詞辨析題。A. after在……以后;B. since自從……;C. when當……時候;D. until直到……才,多和not連用。本句是時間狀語從句,四個選項都可做引導詞;根據(jù)Leonardo didn39。t win an Oscar和答語中的but he never gave up.,結合句意結構和語境,可知until符合句意,故選D。38.John didn’t give up looking for a job ________ he got an offer from a German pany.A.until B.since C.because D.if【答案】A【解析】【詳解】句意:約翰一直沒有停止找工作,直到它在一家德國公司得到一個職位。Until直到;since由于,自從……以來;because因為;If是否,如果。短語not……until……,直到……才,故選A。39.——Today’s young people can’t live without smart phones.——They keep their hands on the phones wherever they go, even while they meals.A.have B.a(chǎn)re havingC.were having D.will have【答案】B【解析】【詳解】句意:——今天的年輕人沒有智能手機無法生活?!麄儫o論走到哪里,甚至吃飯時,手里都拿著手機??疾榫渥訒r態(tài)。;;;。while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. Can students go online during lessons? They can ________ it is for that lesson.A.ifB.orC.soD.but【答案】A【解析】句意:——學生可以在課上