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e the school __________ she worked out this problem.A.a(chǎn)s long as B.until C.since D.while【答案】B【解析】【詳解】句意“直到她解決了這個(gè)問(wèn)題他才離開(kāi)學(xué)?!薄#ㄒ龑?dǎo)條件狀語(yǔ)從句);(引導(dǎo)時(shí)間狀語(yǔ)從句);(引導(dǎo)時(shí)間狀語(yǔ)從句);……時(shí)候(引導(dǎo)時(shí)間狀語(yǔ)從句)。根據(jù)句意可知,譯為“直到他解決這個(gè)問(wèn)題他才離開(kāi)學(xué)?!薄ot...until...直到……才,故選B。42.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(yǔ)從句,故答案為B。43.It is impossible for ________ little children to do ________ much work in ________ a short time.A.so。 so。 such B.such。 so 。 such C.so。 such 。 such D.such。 such 。 so【答案】B【解析】試題分析:句意:為如此小的孩子在如此短的時(shí)間做那么多工作是不可能的。so (adv.)表示“如此”、“這樣”的意思。用作副詞,修飾形容詞和副詞。主要結(jié)構(gòu)有: +adj.+a/an +可數(shù)名詞單數(shù)+that從句;+adj./adv.+that從句;+many/few/much/little+復(fù)數(shù)可數(shù)名詞+that從句such(adj.)表示“如此”“這樣”的意思。用作形容詞,修飾名詞。主要結(jié)構(gòu)有:+a/an+adj.+單數(shù)可數(shù)名詞+that從句;+adj.+不可數(shù)名詞+that從句;+adj.+復(fù)數(shù)可數(shù)名詞+that從句。所以選B??键c(diǎn):考查so與such的用法。44.Our basketball team won’t win the match _______ we work together.A.if B.since C.while D.unless【答案】D【解析】【詳解】句意:除非我們共同努力,否則我們的籃球隊(duì)不會(huì)贏得這場(chǎng)比賽。考查連詞辨析。A. if 如果,引導(dǎo)肯定意義的條件狀語(yǔ)從句;B. since自從,引導(dǎo)時(shí)間狀語(yǔ)從句;C. while當(dāng)…時(shí)候,引導(dǎo)時(shí)間狀語(yǔ)從句;D. unless除非,引導(dǎo)否定意義的條件狀語(yǔ)從句。根據(jù)Our basketball team won’t win the match _____ we work “我們的球隊(duì)不會(huì)贏得這場(chǎng)比賽,…我們共同努力?!笨芍挥蠨選項(xiàng)符合題意,故答案選D。45.They will lose the game _______ they try their best.A.unless B.once C.since D.a(chǎn)fter【答案】A【解析】【詳解】試題分析:句意:他們會(huì)輸?shù)舯荣惖?,除非他們盡自己最大的努力。lose the game 輸?shù)舯荣?,try one’s best 盡最大的努力。 A. unless 除非; B. once 一次;C. since 因?yàn)椋?D. after 在…之后,根據(jù)題意可知此句是unless引導(dǎo)的條件狀語(yǔ)從句,故選A。46.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(lái)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(huì)繼續(xù)。,表示條件;,表示相反的條件;,表示原因;,表示時(shí)間的起點(diǎn);既然,表示原因?!叭绻弧蓖V?,情況會(huì)繼續(xù)。故選B??键c(diǎn):考查連詞的用法47.Betty you the answer as soon as she works it out later.A.tells B.told C.will tell D.is telling【答案】C【解析】【詳解】句意:貝蒂之后一算出來(lái),她就會(huì)告訴你答案??疾闀r(shí)態(tài)。tells告訴,一般現(xiàn)在時(shí);told一般過(guò)去時(shí);will tell一般將來(lái)時(shí);is telling現(xiàn)在進(jìn)行時(shí)。as soon as表示“一……就……”。由as soon as引導(dǎo)的從句需要用一般現(xiàn)在時(shí)態(tài)代替將來(lái)時(shí)態(tài),可知主句時(shí)態(tài)是一般將來(lái)時(shí)。故選C。48.Mrs. White walks a dog in the park nearby every morning it’s rainy or windy.A.since B.because C.unless D.until【答案】C【解析】試題分析:句意:如果不刮風(fēng)下雨,懷特夫人就會(huì)帶狗到附近的公園散步。A.. since自從;B.. because因?yàn)椋籆.. unless如果不;D. .until直到……才。結(jié)合句意,故選C考點(diǎn):考查連詞的用法。49.—I hear Music and Art will enter the Entrance Examination for the high school.— Yes. but don’t worry. Nothing will be difficult if more attention _____ to them.A.will pay B.will be paid C.is paid D.pays【答案】C【解析】句意:——我聽(tīng)說(shuō)音樂(lè)和藝術(shù)將進(jìn)入高中入學(xué)考試。——是的。但別擔(dān)心。如果對(duì)他們給予更多的關(guān)注,就不會(huì)有困難。考查被動(dòng)語(yǔ)態(tài)。本句是if引導(dǎo)的條件狀語(yǔ)從句,需用一般現(xiàn)在時(shí)態(tài)代替一般將來(lái)時(shí)態(tài);從句主語(yǔ)more attention是單數(shù)第三人稱,又是動(dòng)詞pay的受動(dòng)者,需用被動(dòng)語(yǔ)態(tài),即is+paid結(jié)構(gòu);根據(jù)句意語(yǔ)境,可知選C。50. you must go and play football,at least wait until school is over.A.If B.Whether C.Unless D.So that【答案】A【解析】【詳解】句意:如果你必須去踢足球,至少等到放學(xué).A如果.B是否.C除非.D以便.結(jié)合語(yǔ)境___你必須去踢足球,至少等到放學(xué)..可知,用if引導(dǎo)條件狀語(yǔ)從句.意思是如果。故選A.