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were having【答案】C【解析】【詳解】句意:今天的年輕人沒有智能手機(jī)就活不下去。無論何時(shí)甚至在吃飯時(shí)他們都手里拿著手機(jī)。考查動(dòng)詞時(shí)態(tài)。while表示一段時(shí)間,后面使用進(jìn)行時(shí)態(tài),主句是一般現(xiàn)在時(shí),可知從句使用現(xiàn)在進(jìn)行時(shí);故答案C。12.Could you give me some advice on travelling?Take a map with you _______ you have a guide or you know the city very well.A.if B.unless C.a(chǎn)lthough D.because【答案】B【解析】句意:你能給我一些關(guān)于旅行的建議嗎?如果沒有向?qū)Щ蛘邔Τ鞘胁缓芰私?,那么就隨身帶著一張地圖。A. if如果; B. unless除非;如果不; C. although雖然,盡管; D. because因?yàn)椤8鶕?jù)句意故選B。13.— Is everyone here today?— No, Lucy is at home ________ she has got a high fever.A.because B.if C.until D.unless【答案】A【解析】【詳解】句意:——今天大家都到齊了嗎?——沒有,露西因?yàn)榘l(fā)高燒呆在家里了。A. because因?yàn)?;B. if如果;C. until直到……才;D. unless除非,如果不。露西呆在家里沒有來是因?yàn)榘l(fā)高燒的原因。故答案為A。14.Mom, shall we have supper now?Oh, we won’t have supper_______ your dad es back.A.until B.since C.while D.a(chǎn)fter【答案】A【解析】試題分析:句意:媽媽,我們現(xiàn)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(dāng)……的時(shí)候;after在……之后。Not…until直到……才,是一個(gè)固定句型,所以選A??键c(diǎn):考查連詞。15.Is your WeChat account (賬戶) safe?Yes, even my father can39。t use it __________ I tell him the password.A.when B.unless C.while D.if【答案】B【解析】【詳解】句意:你的微信賬號安全嗎?是的,如果我不告訴他密碼甚至我的爸爸都不能使用它。when當(dāng)…時(shí)候;unless除非,如果不;while當(dāng)…時(shí)候;if如果。根據(jù)句意my father can39。t use it…可知,這里應(yīng)表示“不告訴他密碼”,故應(yīng)選B。16.—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notuntil的結(jié)構(gòu),表示直到才,故選答案為A17.I39。m sure dreams don39。t work you do.A.if B.until C.when D.since【答案】B【解析】【詳解】句意:我相信夢想在你做之前是不會(huì)實(shí)現(xiàn)的??疾檫B詞辨析。if如果,表?xiàng)l件;until直到,表時(shí)間,多與not連用表示“直到……才”;when什么時(shí)候,表時(shí)間;since自從,用于表示一段時(shí)間。本句是“not …until”結(jié)構(gòu),根據(jù)句意結(jié)構(gòu)和語境,可知選B。18.Helendidn39。tknowanythingaboutit_______herfathertoldher.A.if B.becaus