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om her friend, _________it was only a card.A.if . B.unless C.though D.because【答案】C【解析】【詳解】句意:她很高興從她的朋友那里得到一份禮物,雖然只是一張卡片??疾檫B詞辨析。if如果,表?xiàng)l件;unless除非,表?xiàng)l件;推后盡管,表讓步;because因?yàn)椋碓?。本句是讓步狀語(yǔ)從句,根據(jù)句意結(jié)構(gòu)和語(yǔ)境,可知選C。20.— What do you think of your junior middle school life?— I think it is colorful, I’m always busy.A.though B.while C.until D.because【答案】A【解析】【詳解】本題考查:副詞辨析。選項(xiàng)分析:A. though雖然,盡管。B. while雖然;然而。 C. until在…以前;直到…時(shí)。D. because因?yàn)?。綜合分析前后句, 可知此處填 though最合適,完整句意為:— What do you think of your junior middle school life?你覺(jué)得你的初中生活怎么樣?— I think it is colorful, though I’m always ,雖然我總是很忙。正確答案為:A21.We don’t know the love of our parents ____________ we bee parents ourselves one day.A.before B.until C.when D.a(chǎn)fter【答案】B【解析】【詳解】句意:直到有一天我們自己成為父母,我們才知道父母的愛(ài)??疾檫B詞辨析。before在……以前;until直到,和not連用表示“直到……才”;when當(dāng)……的時(shí)候;after在……以后。本句是“not …until”結(jié)構(gòu);根據(jù)句意結(jié)構(gòu)和語(yǔ)境,可知選B。22.Can students go online during lessons?They can’t ________ it is for that lesson.A.if B.unless C.until D.while【答案】B【解析】【詳解】句意:——學(xué)生上課時(shí)能上網(wǎng)嗎?他們不可以,除非為了上那堂課。本題考查連詞辨析,;;;……時(shí)候。答語(yǔ)是條件狀語(yǔ)從句,根據(jù)句意結(jié)構(gòu)可知,需要unless連接,故選B。23.Rony will get a chance to work in this pany ________ he doesn’t pass the interview.A.unless B.when C.if D.a(chǎn)fter【答案】A【解析】【詳解】句意“除非羅尼沒(méi)有通過(guò)面試,否則他將有機(jī)會(huì)在這個(gè)公司上班”。;……時(shí)候;;……時(shí)候。根據(jù)句意可知,表示“除非他沒(méi)有通過(guò)面試”,故選A。24.—I’m afraid the class has begun.—Don’t worry. It ________ until the bell ________.A.doesn’t begin。 rings B.won’t begin。 will ringC.won’t begin。 rings D.doesn’t begin。 will ring【答案】C【解析】試題分析:句意:恐怕課已經(jīng)開(kāi)始了。一不要擔(dān)心。直到鈴聲響了才會(huì)開(kāi)始。前面是主句,會(huì)議還沒(méi)開(kāi)始,所以用一般將來(lái)時(shí);后面是until引導(dǎo)的時(shí)間狀語(yǔ)從句,所以要用一般現(xiàn)在時(shí)代替一般將來(lái)時(shí)。所以選C。考點(diǎn):考查動(dòng)詞時(shí)態(tài)。25.—Did you catch what our teacher said just now?—Of course. He said that nothing will live in the world _____ there is any water.A.if B.unless C.a(chǎn)lthough【答案】B【解析】【詳解】句意:——你明白我們老師剛才說(shuō)的話了嗎?——當(dāng)然。他說(shuō)世界上沒(méi)有水就沒(méi)有生命。A. if如果;B. unless除非,如果不;C. although盡管。如果沒(méi)有水。世界上沒(méi)有任何東西可以生存。結(jié)合句意可知,此句是unless引導(dǎo)的條件狀語(yǔ)從句,unless=if not,故答案為B?!军c(diǎn)睛】if引導(dǎo)的條件狀語(yǔ)從句,當(dāng)主句是一般將來(lái)時(shí),從句用一般現(xiàn)在時(shí)表示將來(lái)的含義,就是我們常說(shuō)的“主將從現(xiàn)”,unless也有類(lèi)似的用法,unless作為連詞引導(dǎo)條件狀語(yǔ)從句時(shí),可以表示“如果不”或“除非”,unless=if not,如:We will go to the park if it doesn’t rain tomorrow. 可以改寫(xiě)為:We will go to the park unless it rains tomorrow.26.—Are you going to climb the mountains tomorrow?—Yes. But if it _____, I_____ at home.A.will rain。 will stay B.will rain。 stay C.rains。 stay D.rains。 will stay【答案】D【解析】【詳解】句意:——你明天將去爬山嗎?——是的。但是如果明天下雨,我將呆在家里??疾闋钫Z(yǔ)從句。根據(jù)句意和語(yǔ)境,可知答句是if引導(dǎo)的條件狀語(yǔ)從句,遵循“主將從現(xiàn)”的原則,if從句用一般現(xiàn)在時(shí),主語(yǔ)it是第三人稱(chēng)單數(shù),動(dòng)詞用三單形式,“下雨”用rain,所以第一空填rains;主句用一般將來(lái)時(shí),“呆在家里”stay at home,用will+動(dòng)詞原形,所以第二空填will stay;故答案選D。27.You will never achieve success _____you devote yourself to your work.A.a(chǎn)fter B.if C.because D.unless【答案】D【解析】句意:除非你把自己專(zhuān)心于你的工作,否則你將永遠(yuǎn)不會(huì)成功。after在……之后;if如果;because因?yàn)?;unless除非;根據(jù)句意可知是unless引導(dǎo)的的條件狀語(yǔ)從句;故選D。28.一Xiao Lin,this desk is heavy I can39。t move it.一Don39。t 39。ll help you.A.such;that B.too;to C.so;that【答案】C【解析】【詳解】句意:— — 小林,這張桌子太重了,我動(dòng)不了。 — — 別擔(dān)心,我會(huì)幫你的。too....to....太....而不能....,to后面不能接句子,故排除選項(xiàng)B;so/such....that.....:太....以至于....,that后接句子;such+a(an)+adj.+單數(shù)可數(shù)名詞+that…;so+adj./adv.+that…;結(jié)合句子this desk is heavy I can39。t move i