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rd.A.if B.unless C.though D.since【答案】B【解析】試題分析:句意:如果你不努力學(xué)習(xí),你會(huì)落后別人。;B. If如果;C. Unless如果不; D. Though雖然。結(jié)合句意,故選B考點(diǎn):考查連詞的用法.19.At last, Amy grew ____ tired ____ she fell asleep.A.a(chǎn)s。 as B.such。 that C.so。 that D.not only。 but also【答案】C【解析】【詳解】句意:最后,艾米累得睡著了。A. as。 as 與…一樣;引導(dǎo)比較狀語從句;B. such。 that如此...以致。如此...以至于,引導(dǎo)結(jié)果狀語從句;C. so。 that如此…以致…;引導(dǎo)結(jié)果狀語從句;D. not only。 but also不但…而且…連接兩個(gè)并列主語。根據(jù)句意可知,此句是結(jié)果狀語從句,such是形容詞,修飾名詞;so是副詞,與形容詞或副詞連用。本題第一空所填詞要修飾形容詞tired,所以應(yīng)填so,故選C。20.Would you like to go bike riding with us tomorrow? Sure, ____ I am busy.A.since B.unless C.when D.until【答案】B【解析】試題分析:句意:你想要明天和我們一起去劃船嗎?好的,如果我不忙我就去。A自從;B如果不;C當(dāng)……時(shí)候;D直到……才。根據(jù)句意,應(yīng)選B??键c(diǎn):考查連詞。21.—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。22.Mom, shall we have supper now?Oh, we won’t have supper_______ your dad es back.A.until B.since C.while D.a(chǎn)fter【答案】A【解析】試題分析:句意:媽媽,我們現(xiàn)在吃晚飯好嗎? 哦,直到你爸爸回來我們才可以吃晚飯。until直到;since自從;while當(dāng)……的時(shí)候;after在……之后。Not…until直到……才,是一個(gè)固定句型,所以選A??键c(diǎn):考查連詞。23. — When did you go to bed last night?— ____________ I finished my homework.A.Until B.Not until C.When D.While【答案】B【解析】not …until 表示直到…才,與短暫性動(dòng)詞連用,故選B24.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)?,引?dǎo)原因狀語從句;unless如果不,除非;so that以至于,引導(dǎo)結(jié)果狀語從句;為的是,引導(dǎo)目的狀語從句。根據(jù)句意可知,這里表示“如果不努力工作”,故應(yīng)選C。25.He made a serious mistake, but he took immediate action to change that ______ it got worse.A.until B.when C.because D.before【答案】D【解析】試題分析:句意:他犯一個(gè)嚴(yán)重的錯(cuò)誤。但他采取行動(dòng)來改變它以免變得更糟。A. Until直到;B. When當(dāng)……時(shí);C. Because因?yàn)椋籇. Before在……之前。在變得更糟之前采取行動(dòng)改變。故選D??键c(diǎn):考查連詞辨析。26.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?yàn)?;after在......之后;until直到。短語not ...until...意為“直到......才......”,故選D。27.I’ll go to visit my aunt in England _______ the summer holiday starts.A.while B.since C.until D.a(chǎn)s soon as【答案】D【解析】【詳解】句意:暑假一開始,我就要去看望我在英國的姑姑??疾檫B詞辨析。A.while正當(dāng)……的時(shí)候;B.since因?yàn)?;C.until 直到;D.a(chǎn)s soon as一……就……。此處是時(shí)間狀語從句, 據(jù)題意,故選D。28.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)的條件狀語從句,故選A。29.___________ I do, I do it for you. Do not ever doubt that, my boy.A.Whatever B.Wherever C.Whenever D.Whoever【答案】A【解析】【詳解】句意:不管我做什么,我都是為你做的。別懷疑,孩子。Whatever無論什么;B. Wherever無論在哪里;C. Whenever無論何時(shí);D. Whoever無論誰。分析句子___________ I do, I do it for you. 的結(jié)構(gòu)可知,本題缺少的是賓語,也就是do的賓語,能充當(dāng)賓語的