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A【解析】句意:直到有一天我們成為父母,才知道父母的愛(ài)。A. until到…為止,在…以前。B. after在…以后。時(shí)候;D. since自從。Not until 直到;不到是固定搭配,故選A。didn39。cutcake______madewish. A.because B.until C.if【答案】B【解析】【詳解】句意:直到艾米許了愿,我們才切蛋糕。didn’t是did not的縮寫(xiě)。結(jié)合句意可知,答案為B。(引導(dǎo)條件狀語(yǔ)從句);……就……(引導(dǎo)時(shí)間狀語(yǔ)從句);,為的是(引導(dǎo)目的狀語(yǔ)從句);(引導(dǎo)方式狀語(yǔ)從句)。21.You’d better take the map with you ________ you won’t get lost.A.a(chǎn)s long as B.a(chǎn)s soon as C.now that D.so that【答案】D【解析】【詳解】句意:你最好帶上這張地圖,目的是為了不迷路。A. as long as只要,引導(dǎo)條件狀語(yǔ)從句;B. as soon as一……就……,引導(dǎo)時(shí)間狀語(yǔ)從句;C. now that既然,表原因;D. so that以便,引導(dǎo)目的狀語(yǔ)從句或結(jié)果狀語(yǔ)從句。22._____ they are very tired, they feel happy because they’ve finally finished their project.A.So B.Although C.If D.But【答案】B【解析】【詳解】句意:盡管他們很累,他們感到高興,因?yàn)樗麄兘K于完成了他們的項(xiàng)目。A. So 因此;B. Although盡管;C. If如果;D. But但是。答案選B。though雖然,盡管,引導(dǎo)讓步狀語(yǔ)從句; ……之前,引導(dǎo)時(shí)間狀語(yǔ)從句; 因?yàn)?,引?dǎo)原因狀語(yǔ)從句;……,引導(dǎo)時(shí)間狀語(yǔ)從句?!究键c(diǎn)定位】考查連詞的用法。t go to bed_____ the work was finished.A.when B.while C.until D.a(chǎn)fter【答案】C【解析】【詳解】句意:他們直到工作完成才睡覺(jué)。when當(dāng)……時(shí)候,可表示時(shí)間段或時(shí)間點(diǎn),一般主句使用過(guò)去進(jìn)行時(shí),從句使用一般過(guò)去時(shí);while當(dāng)……時(shí)候,而;until直到;after在……以后。25.—Tom, you look tired this morning. What’s wrong?—I was so busy that I didn’t go to bed _____ 12 o’clock last night.A.until B.when C.though D.unless【答案】A【解析】本題符合not才,故選答案為A26.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(shuō):如果你們不努力學(xué)習(xí),你們就通不過(guò)考試。故選B。我一上車(chē),車(chē)就開(kāi)動(dòng)了。結(jié)合下面的回答Yes,說(shuō)明說(shuō)話人趕上了早班車(chē),所以選C。當(dāng)主句描述將來(lái)動(dòng)作時(shí),英語(yǔ)條件狀語(yǔ)從句中用一般現(xiàn)在時(shí)態(tài)表示將來(lái)的動(dòng)作;主語(yǔ)單三,謂語(yǔ)動(dòng)詞用單數(shù)形式;故選A??疾檫B詞辨析。;D. so that以便;所以。30._____there was no obvious evidence, most people didn’t think he was guilty of the robbery.A.When B.While C.Since D.As【答案】C【解析】【詳解】句意“由于沒(méi)有明顯的證據(jù),大多數(shù)人認(rèn)為他沒(méi)有犯搶劫罪”。根據(jù)句意可知,因?yàn)闆](méi)有明顯的證據(jù),且這個(gè)理由很重要,所以人們認(rèn)為他沒(méi)有犯搶劫罪,故選C