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________ 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)?!?。20.Our eyesight will bee poorer and poorer we keep playing with phones.A.though B.unless C.if【答案】C【解析】【詳解】句意:如果我們繼續(xù)玩手機(jī),我們的視力會(huì)越來(lái)越差。考查連詞辨析。18.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。但別擔(dān)心。though盡管,引導(dǎo)讓步狀語(yǔ)從句;before在……之前,不符合對(duì)話的意思;as soon as一……就;as if猶如,好像。時(shí)候??键c(diǎn):考查動(dòng)詞時(shí)態(tài)。一不要擔(dān)心。 rings B.won’t begin。A. until到…為止;B. because 因?yàn)?;C. since既然,因?yàn)???芍懊鎻木鋺?yīng)表示讓步狀語(yǔ)。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。他說(shuō)世界上沒(méi)有水就沒(méi)有生命。根據(jù)句意可知,空后all of us could understand her表示前面explained…clearly的目的,故用so that引導(dǎo)目的狀語(yǔ)從句,選C。根據(jù)I waited及后面it stopped raining可推出我會(huì)等到雨停了。 B. since自從。三、如果主句是含有情態(tài)動(dòng)詞的一般現(xiàn)在時(shí),根據(jù)需要從句多用一般現(xiàn)在時(shí) 如:You should be quiet when you are in the reading room 在閱覽室時(shí)應(yīng)保持安靜 四. 如果if的條件狀語(yǔ)從句遇到變換間接和直接時(shí) , 祈使句應(yīng)用not to.... 如。只有D項(xiàng)符合題意。t enjoy good health ______ we often exercise.A.though B.if C.when D.unless【答案】D【解析】【詳解】句意:我們都知道如果我們不經(jīng)常鍛煉,我們將不會(huì)享有好的健康。6.—Have you heard of the latest news about WIFI?—Yes. When the 5G age , the Internet speed will be 100 times as high as 4G.A.e B.es C.will e D.is ing【答案】B【解析】【詳解】句意:——你聽(tīng)說(shuō)過(guò)無(wú)線網(wǎng)絡(luò)的最新消息嗎?——是的。如果你不用心讀的話,你不會(huì)享受到這本書(shū)。考查連詞辨析。故選A。這里是形容一種條件,如果消費(fèi)超過(guò)100元,就能免費(fèi)停車(chē),故選B。此題考查if引導(dǎo)的條件狀語(yǔ)從句,主句一般將來(lái)時(shí),從句一般現(xiàn)在時(shí);故選A。 will askC.don’t。 will ask B.won’t。沒(méi)關(guān)系,如果明天你不能去看電影,我就邀請(qǐng)我的朋友和我一起去。though 雖然;if 如果;unless 除非。For為了;but 但是;as 作為。t good for her.A.a(chǎn)fter B.until C.because D.a(chǎn)lthough【答案】D【解析】【詳解】句意:她經(jīng)常吃冰淇淋,雖然這對(duì)她不好。5.—The novel seems a little boring. —You won’t enjoy it _______________ you put your heart into it.A.when B.if C.a(chǎn)fter D.unless【答案】D【解析】試題分析:句意:這部小說(shuō)似乎有點(diǎn)兒無(wú)聊。考點(diǎn):考查連詞的用法。7.We all know that we won39。