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e C.When D.Not until【答案】D【解析】句意:昨天你什么時(shí)候離開你的辦公室的?——直到我完成那個(gè)任務(wù)。本題考查連詞。A. Until 直到時(shí)候才結(jié)束,要與延續(xù)性動(dòng)詞連用;B. While 當(dāng)時(shí)候 ;C. When 當(dāng)時(shí)候;D. Not until直到時(shí)候才開始,與非延續(xù)性動(dòng)詞連用;句子中finished(完成)是非延續(xù)性動(dòng)詞,故選D22.—How do you like your new school, Kate?—It is very clean and beautiful ____it is a bit small.A.if B.since C.unless D.a(chǎn)lthough【答案】D【解析】試題分析:句意:凱特,你覺(jué)得你的新學(xué)校怎么樣?盡管它有點(diǎn)小,但是它非常的干凈,美麗。if,如果,表示條件關(guān)系;since,自從……,表示時(shí)間關(guān)系;unless,如果不,引導(dǎo)條件狀語(yǔ)從句;although,盡管,雖然,表示讓步關(guān)系,結(jié)合句意,關(guān)系D??键c(diǎn):考查連詞的用法。23. Lucy knew nothing about it _____ her sister told her.A.because B.until C.if D.since【答案】B【解析】試題分析:句意:露西直到她姐姐告訴她才知道這件事。Because因?yàn)椋?until直到; if如果; since自從。Notuntil直到才,是一個(gè)固定句型。所以選B??键c(diǎn):考查連詞。24.You won39。t succeed _____ you work hardA.if B.because C.unless D.so that【答案】C【解析】【詳解】句意:你不會(huì)成功的,除非你努力工作。if如果;because 因?yàn)椋龑?dǎo)原因狀語(yǔ)從句;unless如果不,除非;so that以至于,引導(dǎo)結(jié)果狀語(yǔ)從句;為的是,引導(dǎo)目的狀語(yǔ)從句。根據(jù)句意可知,這里表示“如果不努力工作”,故應(yīng)選C。25. That young man must have something to do with the crime, right? I suppose so, he said that he didn39。t do anything against the law.A.if B.when C.a(chǎn)lthough D.because【答案】C【解析】【詳解】句意:那個(gè)年輕人一定和那件罪行有關(guān),對(duì)嗎?我想是的,盡管他說(shuō)他沒(méi)有做任何違法的事。本題考查從屬連詞。A. if如果,引導(dǎo)條件狀語(yǔ)從句 B. when當(dāng)…時(shí)候,引導(dǎo)時(shí)間狀語(yǔ)從句 ,C. although盡管,引導(dǎo)讓步狀語(yǔ)從句,D. because因?yàn)椋龑?dǎo)原因狀語(yǔ)從句,結(jié)合句意,可知前后句意是讓步關(guān)系,故選C。26.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(guó)功夫,盡管他80多了。A. since 自從,因?yàn)椋? 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B27.We don39。t know the love of our parents _______ we bee parents ourselves one day.A.untilB.a(chǎn)fterC.whenD.since【答案】A【解析】句意:直到有一天我們成為父母,才知道父母的愛(ài)。本題考查連詞。A. until到…為止,在…以前。 直到…才。B. after在…以后。C. when當(dāng)時(shí)候;D. since自從。 從…以來(lái)。Not until 直到才;不到不,是固定搭配,故選A。28.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29.To make your DIY work perfect, you’d better not start ___________ you get all the tools ready.A.when B.while C.before D.a(chǎn)fter【答案】C【解析】【詳解】句意:為了讓你的DIY作品完美,你最好在你把所有的工具都準(zhǔn)備好前不要開始。When當(dāng)……的時(shí)候;while當(dāng)……的時(shí)候;before 在……之前; after在……之后。所以選C。30.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(yǔ)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(yǔ)從句的連詞 。31.—Susan,what are the advantages of MP5 players?—Mom,