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that D.such。 that【答案】C【解析】【分析】【詳解】句意:中國達(dá)人秀如此的有趣以至于許多人喜歡看這個(gè)節(jié)目??疾楣潭ńY(jié)構(gòu)。A. too…to太……而不能;B. enough…to足夠…去做;C. so…that如此……以至于;so后接形容詞或副詞;D. such…that如此……以至于;such后接名詞或名詞性短語。根據(jù)句意及題干分析,第二空后是一個(gè)從句,A、B選項(xiàng)的中的to后要跟動(dòng)詞原形,所以排除。第一空后是形容詞,so后跟形容詞或副詞,such后面跟名詞,故選C。25.I’m going to take him to some famous hutongs _____ he can learn more about China.A.because B.when C.so that D.a(chǎn)s if【答案】C【解析】試題分析:句意:我?guī)ヒ恍┯忻暮?,為了讓他更多的了解中國。A 因?yàn)椋籅 當(dāng)……時(shí)候;C 為了;D 似乎;故選C??键c(diǎn):考查連詞的用法。26.The two panies decided to work together ______ they had mon interest.A.because B.unless C.but D.or【答案】A【解析】【詳解】試題分析:句意:這兩家公司決定合作,因?yàn)樗麄冇泄餐睦?。前因后果,后面是表原因的狀語從句,用because連接。; B. unless 除非,表讓步;C. but但是,表轉(zhuǎn)折;D. or或者,表選擇。故選A??键c(diǎn):考查原因狀語從句的連詞 。27.Our head teacher often says, "You will not pass the exam ___________ you work hard."A.if B.unless C.since D.when【答案】B【解析】句意:我們的班主任常說:如果你們不努力學(xué)習(xí),你們就通不過考試。If如果,引導(dǎo)條件狀語從句;unless除非,引導(dǎo)條件狀語從句;since自從,因?yàn)?,引?dǎo)時(shí)間狀語從句;when當(dāng)……時(shí)候,引導(dǎo)時(shí)間狀語從句;條件狀語從句用一般現(xiàn)在時(shí)表示一般將來時(shí),主句用一般將來時(shí),根據(jù)題中的時(shí)態(tài)和句意,如果不努力,就通不過考試,故此處用unless。故選B。28.“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(dǎo)條件狀語從句;B. until直到……才……,引導(dǎo)時(shí)間狀語從句;C. since由于,引導(dǎo)原因狀語從句;D. although盡管,引導(dǎo)讓步狀語從句。根據(jù)句意,本句是讓步狀語從句,故選D。29.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(shí)間名詞或從句,表一段時(shí)間,用于現(xiàn)在完成時(shí);B. before在……以前,表時(shí)間;C. unless除非,表?xiàng)l件;D. though盡管,表讓步。本句是時(shí)間狀語從句,可排除CD兩項(xiàng)。根據(jù)句意結(jié)構(gòu)和語境,可知before不合句意,故選A。30.In summer, food will go bad quickly ________ we put it into a fridge.A.if B.unless C.a(chǎn)s soon as D.while【答案】B【解析】【詳解】句意:夏天,除非我們把食物放進(jìn)冰箱里,否則食物很快就會(huì)變壞。A. if如果;B. unless除非;C. as soon as一……就;D. while正當(dāng)……的時(shí)候。根據(jù)生活常識(shí),在夏天只有放在冰箱里的食物才能保證不變質(zhì),unless除非,如果不,相當(dāng)于if not,引導(dǎo)條件狀語從句,故答案為B。