【正文】 答案】B【解析】【詳解】句意：如果我們的政府現(xiàn)在不注意食品安全，我們的健康就會(huì)出于危險(xiǎn)之中。結(jié)合語(yǔ)境可知，本句主語(yǔ)描述的是將來(lái)某時(shí)進(jìn)行的動(dòng)作，故用一般將來(lái)時(shí)態(tài)。當(dāng)主句描述將來(lái)時(shí)態(tài)，if引導(dǎo)的條件狀語(yǔ)從句中用一般現(xiàn)在時(shí)態(tài)表示將來(lái)動(dòng)作，結(jié)合語(yǔ)境可知選B。43．—Do you know _________ the meeting?—Tomorrow morning.A．when they hadB．when they are going to haveC．when did they haveD．when are they going to have【答案】B【解析】【詳解】句意：——你知道他們什么時(shí)候來(lái)開會(huì)嗎？——明天早上。此題考查賓語(yǔ)從句，賓語(yǔ)從句要用陳述句語(yǔ)序，C和D是疑問(wèn)句語(yǔ)序，故排除；根據(jù)回答Tomorrow morning可知此句時(shí)態(tài)是一般將來(lái)時(shí)，A是一般過(guò)去時(shí)，B是一般將來(lái)時(shí)；故選B。44．She ________on the phone,so I just smiled at her and went away.A．has talked B．was talking C．will talk D．is talking【答案】B【解析】【詳解】句意：她正在打電話，所以我只是朝她笑笑就走了。考查動(dòng)詞時(shí)態(tài)辨析。so所以，表結(jié)果；根據(jù)so I just smiled at her and went away，可知她正在打電話，需用過(guò)去進(jìn)行時(shí)，故選B。45．—What do you often do at weekends?—I often ________ my grandparents.A．visit B．visited C．have visited D．will visit【答案】A【解析】【詳解】句意：你經(jīng)常在周末做什么？——我經(jīng)常去看我的爺爺奶奶。考查句子時(shí)態(tài)。A. visit 一般現(xiàn)在時(shí)；B. visited 一般過(guò)去時(shí)；C. have visited現(xiàn)在完成時(shí)；D. will visit一般將來(lái)時(shí)。結(jié)合語(yǔ)境可知下文often可知是經(jīng)常性動(dòng)作，故用一般現(xiàn)在時(shí)態(tài)。選A。46．—Could you tell me __________ yesterday?—Because my bike was broken on my way here.A．why you came late B．why do you e lateC．why you e late D．why did you e late【答案】A【解析】【詳解】句意：——你能告訴我你昨天為什么遲到嗎？——因?yàn)槲业淖孕熊囋趤?lái)的路上壞了。考查賓語(yǔ)從句。英語(yǔ)賓語(yǔ)從句中一般用陳述語(yǔ)序，可知排除B和D。根據(jù)賓語(yǔ)從句時(shí)間狀語(yǔ)yesterday，可知賓語(yǔ)從句時(shí)態(tài)是一般過(guò)去時(shí)態(tài)。故選A。47．He _________________ his wife for ten yearsA．has married B．has been married withC．has been married to D．got married to【答案】C【解析】【詳解】句意：他和妻子結(jié)婚十年了。“for+一段時(shí)間”表示某個(gè)動(dòng)作或狀態(tài)持續(xù)一段時(shí)間，謂語(yǔ)動(dòng)詞是可持續(xù)動(dòng)詞。marry結(jié)婚，是短暫性動(dòng)詞，不可以持續(xù)，get married to ，排除A和D；be married to ，表示狀態(tài)，故答案為C。48．―When did she leave? ―As if it was 3:30. She for about 2 hours.A．has been away B．left C．has left【答案】A【解析】句意：―她什么時(shí)候離開的？―好像在3:30。她離開了大約2個(gè)小時(shí)。根據(jù)for about 2 ，而且用現(xiàn)在完成時(shí)。所以選A。點(diǎn)睛：短暫性動(dòng)詞在現(xiàn)在完成時(shí)態(tài)的肯定句中不能與表示一段的時(shí)間狀語(yǔ)連用，如句子中的left為短暫性動(dòng)詞，另外還要記住幾個(gè)常見(jiàn)的短暫性動(dòng)詞與延續(xù)性動(dòng)詞的轉(zhuǎn)化：borrow→keep, buy→have, get/catch a cold→have a cold ，die→be dead, open→be open，end/finish → be over,begin/start→ be on, leave→be away, e→be in/here等。如：His fatherdied10 years ago.=His father hasbeen deadfor 10 years。Iboughtthis pen 3 years ago. = Ihave hadthis pen for 3 years.49．— What did you do after school yesterday? — I ______ basketball with Peter.A．play B．will play C．played D．has played【答案】C【解析】【詳解】句意：昨天放學(xué)后你做了什么？—我和彼得打了籃球。本題考查的是動(dòng)詞的時(shí)態(tài)，根據(jù)問(wèn)句中的yesterday可知，本題是一般過(guò)去時(shí)，故答案選C。50．It39。s too noisy here. what39。s going on?Oh, the noise es from the boys. They______ a partyA．Hold B．a(chǎn)re holding C．were holding D．have held【答案】B【解析】【詳解】句意：這里太吵鬧了，發(fā)生什么事了？哦，噪音來(lái)自那些男孩，他們?cè)谂e行聚會(huì)。hold舉行，動(dòng)詞原形；are holding現(xiàn)在進(jìn)行時(shí)，正在舉行；were holding過(guò)去進(jìn)行時(shí)；have held現(xiàn)在完成時(shí)。根據(jù)對(duì)話what39。s going on可知，他們?cè)谡f(shuō)的是現(xiàn)在正在發(fā)生的事情，應(yīng)用現(xiàn)在進(jìn)行時(shí)，故選B。51．—Mum, I want to watch Everlasting Classics on CCTV 1 tonight.—Oh, dear, it for nearly twenty minutes. Come on!A．will begin B．will be on C．has begun D．has been on【答案】D【解析】【詳解】句意：——媽媽，今晚我想在中央電視臺(tái)1臺(tái)看《永恒的經(jīng)典》?！叮炷?，已經(jīng)開演了將近二十分鐘了。加油！根據(jù)語(yǔ)境for a few minutes（幾分鐘）和e on，可知節(jié)目已經(jīng)進(jìn)行了幾分鐘并且現(xiàn)在還在演，故應(yīng)用動(dòng)詞的現(xiàn)在完成時(shí)態(tài)（基本結(jié)構(gòu)：主語(yǔ)+have/has+動(dòng)詞的過(guò)去分詞）．故可排除A和B；又由于begin是非延續(xù)性動(dòng)詞不能和for a few minutes搭配，而has been on（表示持續(xù)性的狀態(tài)）故選D。52．Don’t go out! It __________now.A．rains B．will rain C．is raining D．was raining【答案】C【解析】句意：不要出去了，現(xiàn)在在下雨。根據(jù)now可知用現(xiàn)在進(jìn)行時(shí)態(tài)；故選C53．—Tom, why are you so busy? —I ________ some plans to work in an old people’s home this summer.A．makes B．a(chǎn)m makingC．made D．have made【答案】B【解析】句意：——湯姆，你為什么這么忙？——我正計(jì)劃今年夏天在一家養(yǎng)老院工作?？疾閯?dòng)詞時(shí)態(tài)辨析題。I是第一人稱，動(dòng)詞不可用三單形式，可排除A。根據(jù)句意語(yǔ)境，可知是正在計(jì)劃的事情，需用現(xiàn)在進(jìn)行時(shí)，需用be+現(xiàn)在分詞結(jié)構(gòu)，故選B。54．If you fail in the exam， you ________ him down．A．would let B．lets C．will let D．let【答案】C【解析】句意：如果你考試不及格，你就會(huì)讓他失望的。would let是過(guò)去將來(lái)時(shí)；lets一般現(xiàn)在時(shí)；will let一般將來(lái)時(shí)；let讓，動(dòng)詞原形。let sb. down讓某人失望，是一個(gè)固定短語(yǔ)。句中If引導(dǎo)的是條件狀語(yǔ)從句，從句中用一般現(xiàn)在時(shí)態(tài)，主句應(yīng)用一般將來(lái)時(shí)態(tài)，故選C。55．There a basketball game between Class 8 and Class 12 tomorrow afternoon.A．is B．has C．will be D．will have【答案】C【解析】【詳解】句意：明天下午在8班和12班之間將有一場(chǎng)籃球比賽。A. is是，單數(shù)；B. has有，第三人稱單數(shù)；C. will be將是；D. will have將有。這里是there be句型，不能出現(xiàn)have/has，排除BD；根據(jù)時(shí)間狀語(yǔ)tomorrow ，其結(jié)構(gòu)是there will be+主語(yǔ)+介詞短語(yǔ)。根據(jù)題意，故選C。56．By the end of last week, Maggie _____________ in the west of China for two months helping the homeless children.A．will stay B．has stayed C．would stay D．had stayed【答案】D【解析】【詳解】句意：到上周末為止， Maggie已經(jīng)在中國(guó)西部待了兩個(gè)月幫助那些無(wú)家可歸的孩子們。根據(jù)句中時(shí)間狀語(yǔ)By the end of last week是到上周末為止，即到過(guò)去時(shí)間為止已經(jīng)完成的動(dòng)作，所以用過(guò)去完成時(shí)態(tài)，故選D。57．Mr. Green _______ London, but he will e back in two days.A．has been to B．has gone to C．goes to D．leaves【答案】B【解析】【詳解】句意：Green先生去了倫敦，但是他將在兩天之后回來(lái)。has been to去過(guò)某地，已經(jīng)回來(lái)了；has gone to去了某地，還沒(méi)有回來(lái)；goes to去…，一般現(xiàn)在時(shí)；leaves離開，一般現(xiàn)在時(shí)。根據(jù)句意but he will e back in two days可知，這里表示Green先生去了倫敦，還沒(méi)有回來(lái)。故應(yīng)選B。58．Today’s young people can’t live without smart phones. They keep their hands on the phones whenever they go, even while they______ meals.A．had B．will have C．were having D．a(chǎn)re having【答案】D【解析】句意：如今的年輕人沒(méi)有智能手機(jī)就無(wú)法生存。當(dāng)他們吃飯的時(shí)候，他們隨時(shí)都會(huì)拿起手機(jī)?？疾閯?dòng)詞時(shí)態(tài)辨析題。while當(dāng)……的時(shí)候，表示從句動(dòng)作和主句動(dòng)作同時(shí)發(fā)生，常用進(jìn)行時(shí)態(tài)。根據(jù)句意語(yǔ)境，可知選D。59．Jack is my classmate. We ______ each other since he came to our school.A．knew B．have known C．will know【答案】B【解析】【詳解】句意：杰克是我的同學(xué)。自從他來(lái)到我們學(xué)校，我們就認(rèn)識(shí)了。A. knew一般過(guò)去時(shí)；B. have known現(xiàn)在完成時(shí)；C. will know一般將來(lái)時(shí)。時(shí)間狀語(yǔ)從句“since he came to our school.”表示的是截止到目前為止的時(shí)間段，主句用現(xiàn)在完成時(shí)，故答案為B。60．－Have you washed the clothes? －Not yet. But I _________ them in half an hour.A．washed B．have washed C．will wash D．wash【答案】C【解析】句意：——你洗衣服了嗎？——還沒(méi)有。但我半小時(shí)以后就洗。In half an hour半小時(shí)后，表示的是將來(lái)時(shí)間。故選C。