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en多久一次(問頻率)。根據空后will可知,用how soon;第二空處譯為“直到它審核通過才能播出”,not until直到……才,故選C。19.The nurse won’t leave her patients ______ she’s sure somebody else takes good care of them.A.if B.because C.since D.unless【答案】D【解析】【詳解】句意:這個護士如果不確定其他人照顧她的病人,她不會離開他們。if如果,引導條件狀語從句用一般現在時,主句用一般將來時;because因為,since自從,引導時間狀語從句,主句用現在完成時;unless除非,如果不,引導條件狀語從句用一般現在時,主句用一般將來時;結合句意,如果她不確定有人照顧病人,她不會離開。故選D。20.—Did you give Dick a call?—I didn’t need to ______ I’ll see him soon.A.when B.through C.until D.because【答案】D【解析】試題分析: 句意:你給湯姆打電話了嗎? 我沒必要打,因為我很快就要看到他了。when當……的時候,though盡管,.until直到,because因為。根據I didn’t need to,我沒必要打,可知不打電話是有原因的,故選D考點:考查連詞。21._____ the weather is fine tomorrow, we will go fishing.A.As well as B.As soon as C.As long as D.As far as【答案】C【解析】【詳解】C 本題考查連詞短語用法。句意:只要明天天氣好,我們就要去釣魚。A. As well as也; B. As soon as意為:一……就; C. As long as只要;D. As far as意為:和……一樣遠。引導條件狀語從句用as long as只要。故選C。22.You will fall behind others ______ you work hard.A.if B.unless C.though D.since【答案】B【解析】試題分析:句意:如果你不努力學習,你會落后別人。;B. If如果;C. Unless如果不; D. Though雖然。結合句意,故選B考點:考查連詞的用法.23.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……時候;D直到……才。根據句意,應選B。考點:考查連詞。24.Mom, shall we have supper now?Oh, we won’t have supper_______ your dad es back.A.until B.since C.while D.after【答案】A【解析】試題分析:句意:媽媽,我們現在吃晚飯好嗎? 哦,直到你爸爸回來我們才可以吃晚飯。until直到;since自從;while當……的時候;after在……之后。Not…until直到……才,是一個固定句型,所以選A??键c:考查連詞。25.— Do you think Jack will catch up with us?— I believe he loses himself in puter games.A.If B.Unless C.Or D.But【答案】B【解析】【詳解】句意:—你認為杰克會趕上我們嗎? —我認為會,除非他沉迷于電腦游戲。A. If如果;B. Unless除非;C. Or否則;D. But但是。根據本題語境,可知,回答為如果他不沉迷于電腦游戲,他就能趕上我們,如果不,即為除非。故選B。26.Did you catch what the teacher said?No. She spoke so fast _______ I couldn’t hear her very clearly.A.which B.that C.when D.since【答案】B【解析】考查從句的連接詞。“你聽懂老師講的了嗎?”“不。她說的那么快以至于我聽得不是太清楚。”so...that...“如此......以至于......”,表示結果。故選B。27.“A white elephant” means something that is useless, ___________ it may cost a lot of money.A.unless B.until C.since D.although【答案】D【解析】【詳解】句意:“白象”指的是無用的東西,盡管它可能要花很多錢??疾檫B詞辨析。A. unless除非,引導條件狀語從句;B. until直到……才……,引導時間狀語從句;C. since由于,引導原因狀語從句;D. although盡管,引導讓步狀語從句。根據句意,本句是讓步狀語從句,故選D。28.We don39。t know the love of our parents _______ we bee parents ourselves one day.A.untilB.afterC.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。本題考查連詞。A. until到…為止,在…以前。 直到…才。B. after在…以后。C. when當時候;D. since自從。 從…以來。Not until 直到才;不到不,是固定搭配,故選A。29.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