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考點(diǎn):考查動(dòng)詞時(shí)態(tài)。 ask D.won’t。考點(diǎn):考查連詞辨析。故選C。根據(jù)句意可知,這是一個(gè)條件狀語(yǔ)從句,故應(yīng)選C。根據(jù)句意可知選B。26.—We can’t be successful ________ we keep working hard. —I agree with you.A.if B.unless C.because D.when【答案】B【解析】【詳解】句意:——除非我們堅(jiān)持努力工作,我們不能成功??疾檫B詞辨析。if如果,unless除非,都表?xiàng)l件;after表時(shí)間,because表原因。考點(diǎn):考查連詞辨析。表示時(shí)間;B. so因此。(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)。考查連詞辨析。herknow根據(jù)題干可知我們得等到大家都到了,這里表示直到……時(shí)候用until.故選B.19.She stopped talking her mother came into the room.A.a(chǎn)s soon as B.unless C.though【答案】A【解析】句意:她媽媽一進(jìn)到房間里,她就停止了說(shuō)話。18.Has the meeting begun yet?Not yet. We have to wait everyone is here.A.a(chǎn)nd B.until C.or D.but【答案】B【解析】【詳解】考查連詞用法。s go climbing Langshan Mountain this Saturday __________ the weather is fine.Good idea!A.though B.if C.unless【答案】B【解析】【詳解】句意“如果天氣好,周六我們?nèi)ヅ缻~山吧。16.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)舯荣惖模撬麄儽M自己最大的努力。15.Did you call Sara back ? I didn’t need to ,_____ we’ll have a meeting together tonight.A.though . B.unless C.because D.if【答案】C【解析】【詳解】句意:——你給薩拉回電話了嗎?——我不需要給薩拉回電話,因?yàn)槲覀兘裢硪黄鹩袀€(gè)會(huì)議。14.You won39。露西呆在家里沒(méi)有來(lái)是因?yàn)榘l(fā)高燒的原因。昨晚演奏的音樂(lè)家從小就學(xué)會(huì)了演奏二胡。 was D.learned。so 所以;because 因?yàn)?,引?dǎo)原因狀語(yǔ)從句;because for 不符合英語(yǔ)表達(dá)習(xí)慣;because of因?yàn)?,由于,后面不能加句子,只能加詞或短語(yǔ), 所以選D??梢裕绻愕淖鳂I(yè)完成。結(jié)合句意,前半句表示我們無(wú)法改變昨天,后半句表示我們可以面對(duì)明天,前后是讓步關(guān)系,故用連詞though。根據(jù)語(yǔ)境和句意可知用unless。如:He became so angry that he couldn’t speak.他變得很生氣,以致說(shuō)不出話來(lái)。再因?yàn)橹行脑~為名詞,用such而不用so。故選D。 C. unless除非。because 因?yàn)?,引?dǎo)原因狀語(yǔ)從句;though雖然,盡管,引導(dǎo)讓步狀語(yǔ)從句,類似的詞還有although, even though, even if;until常和not連用,not …..until…意思是直到….才…..,引導(dǎo)時(shí)間狀語(yǔ)從句; so that為了,表示目的,引導(dǎo)目的狀語(yǔ)從句。正確答案為:A4.I hate traveling by air______you usually have to wait for hours before the plane takes off.A.b