【正文】 。 will be【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)合語境可知，本句主語描述的是將來某時(shí)進(jìn)行的動(dòng)作，故用一般將來時(shí)態(tài)。當(dāng)主句描述將來時(shí)態(tài)，if引導(dǎo)的條件狀語從句中用一般現(xiàn)在時(shí)態(tài)表示將來動(dòng)作，結(jié)合語境可知選B。44．________ you _________ Kate’s letter yet? Yes, I ________ it for several days.A．Did。 receive。 have received B．Have。 received。 have hadC．Have。 received。 have received D．Did。 receive。 have had【答案】B【解析】句意：你收到凱特的信了嗎? 是的，我已經(jīng)收到好幾天了。本題為現(xiàn)在完成時(shí)態(tài)，receive動(dòng)詞，收到，暫時(shí)性動(dòng)詞。在肯定的陳述句中，暫時(shí)性動(dòng)詞不能和一段時(shí)間連用，因而receive改為have，have為持續(xù)性動(dòng)詞，had過去分詞；可以和for several days一段時(shí)間連用。故選：B。45．―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.46．— I ____________at this time yesterday.—Me, too.A．will cook B．is cooking C．cooked D．was cooking【答案】D【解析】句意：——昨天這個(gè)時(shí)候我在做飯?！乙彩?。根據(jù)at this time ；故選D47．Alice, together with her classmates punished for breaking the school rules last week.A．is B．a(chǎn)re C．was D．were【答案】C【解析】【詳解】句意：艾麗斯和她的同學(xué)上周因違反校規(guī)而受到懲罰?？疾橐话氵^去時(shí)和主謂一致。根據(jù)last week可知句子時(shí)態(tài)應(yīng)用一般過去時(shí)，排除A、B選項(xiàng)；together with her classmates在句中作狀語，主語是Alice，第三人稱單數(shù)，所以謂語動(dòng)詞也要用第三人稱單數(shù)形式，排除D選項(xiàng)；故答案選C。48．The movement of boycotting（聯(lián)合抵制） the South Korean goods in whole China _______ for a few months by the time Lotte Group（樂天集團(tuán)）agreed to provide land for USA．A．had been on B．had begun C．has been on【答案】A【解析】句意：到樂天集團(tuán)為美國提供土地為止，政府在全中國聯(lián)合抵制韓國貨物已經(jīng)開始了一段時(shí)間?？疾闀r(shí)態(tài)的用法。由時(shí)間狀語by +過去時(shí)間可知要用過去完成時(shí)，排除C；begin為瞬間動(dòng)詞，不能與一段時(shí)間連用。故選A。49． Did you have a discussion with him about the matter? No. When I saw him, he________ his history project busily.A．has prepared B．prepares C．was preparing D．prepared【答案】C【解析】句意：——你和他關(guān)于那個(gè)問題討論過了嗎？——沒有。當(dāng)我看見他時(shí)，他正在忙碌地準(zhǔn)備歷史項(xiàng)目。When引導(dǎo)的時(shí)間狀語從句，用一般過去時(shí)，主句用過去進(jìn)行時(shí)was/were doing，故選C。50．I _________in London for many years, but I’ve never regretted my final decision to move back to China.A．lived B．was living C．have lived D．a(chǎn)m living【答案】C【解析】【詳解】句意：我在倫敦住了很多年了，但是我從來沒有后悔我最終決定搬回中國。lived是過去式；was living過去進(jìn)行時(shí)；have lived現(xiàn)在完成時(shí)；am living現(xiàn)在進(jìn)行時(shí)。根據(jù)句意和句中的for many years可知，這里表示過去發(fā)生的動(dòng)作對(duì)現(xiàn)在的影響，應(yīng)用現(xiàn)在完成時(shí)，故選C。51．I didn39。t see you at Olympic Sports Centre this morning. What happened? Sorry, I the exchange students around our school then.A．showed B．was showing C．a(chǎn)m showing D．will show【答案】B【解析】句意：——今天早上我在奧運(yùn)會(huì)體育中心沒有看見你。發(fā)生了什么？——對(duì)不起，我那時(shí)正領(lǐng)著交換生參觀我們學(xué)校。根據(jù)時(shí)間副詞then可知此處用過去進(jìn)行時(shí)，故選B。52．It’s nice to see you again. We ______ each other for a long time.A．didn’t see B．haven’t seen C．won’t see D．didn’t see【答案】B【解析】【詳解】句意：再次見到你很開心，我們已經(jīng)好長(zhǎng)時(shí)間沒見了。本題考查的是時(shí)態(tài)，結(jié)合語境，此處指到現(xiàn)在為止有好久沒有見面了，根據(jù)所給空后面的for a long time是現(xiàn)在完成時(shí)的標(biāo)志詞可知，應(yīng)該用現(xiàn)在完成時(shí)，故答案選B。53．—I don’t know when _________tomorrow. —I will call you as soon as he _________.A．will he e…arrives B．he will e…arrives C．he will e…will arrive【答案】B【解析】句意：我不知道他明天什么時(shí)候會(huì)來。他一來我就會(huì)給你打電話的。前一個(gè)句子是賓語從句，語序?yàn)殛愂鼍涞恼Z序，根據(jù)tomorrow判斷，時(shí)態(tài)為一般將來時(shí)態(tài)，排除A；第二個(gè)句子為as soon as引導(dǎo)的時(shí)間狀語從句，主句為一般將來時(shí)，時(shí)間狀語從句為一般現(xiàn)在時(shí)，故選B 。54．Everyone in Class 4 _______ TV on Sundays.A．watches B．to watchC．watching D．watched【答案】A【解析】句意：在星期天四班的每個(gè)人看電視。watches是動(dòng)詞watch的第三人稱單數(shù)；to watch動(dòng)詞不定式，作賓語或目的狀語；watching現(xiàn)在分詞，作賓語或伴隨狀語；watched動(dòng)詞watched的過去式，用于一般過去時(shí)。根據(jù)時(shí)間狀語on Sundays可知此處用于一般現(xiàn)在時(shí)，主語everyone是第三人稱單數(shù)，故謂語用第三人稱單數(shù)watches。故選A。55．Since the shop_____down, all the Tshirts are sold at half price.A．has closed B．closed C．is closing D．will be closed【答案】C【解析】句意：由于商店即將倒閉，所有的T恤衫半價(jià)出售。close down停業(yè)，關(guān)閉。此處是現(xiàn)在進(jìn)行時(shí)態(tài)表將來，故答案為C。56．In Beijing, you can see many people wear masks（口罩）if they ____________ out on foggy days.A．went B．go C．a(chǎn)re going D．will go【答案】B【解析】句意：在北京，大霧天，你會(huì)看見許多人出去時(shí)都戴著口罩。本句是if引導(dǎo)的條件狀語從句，當(dāng)主句是一般將來時(shí)或者是含有情態(tài)動(dòng)詞的一般現(xiàn)在時(shí)態(tài)時(shí)，從句則用一般現(xiàn)在時(shí)表示將來，根據(jù)句意可知，答案應(yīng)選擇B。57．There39。s little meat in the fridge. I _______ some in the supermarket. A．buy B．bought C．will buy D．have bought【答案】C【解析】句意：冰箱里幾乎沒有肉了。我會(huì)在超市買一些。A. buy動(dòng)詞，買；B. bought過去式，買；C. will buy一般將來時(shí)結(jié)構(gòu)，會(huì)買；D. have bought現(xiàn)在完成時(shí)態(tài)結(jié)構(gòu)，已買。根據(jù)前一句可知，“買肉”這件事還未發(fā)生，所以使用一般將來時(shí)態(tài)，will+動(dòng)詞原形。故選：C。58．— How does your father go to work every day, David? — He usually ______ to work by bike.A．goes B．is going C．will go D．went【答案】A【解析】【詳解】句意：大衛(wèi)，你的爸爸每天怎樣去上班？—他通常騎自行車去上班。本題考查的是動(dòng)詞的時(shí)態(tài)，根據(jù)問句中的every day和答句中的usually可知，應(yīng)該是一般現(xiàn)在時(shí)且主語he為第三人稱單數(shù)，所以謂語動(dòng)詞要用第三人稱單數(shù)，故答案選A。59．—Green Book is on now. Would you like to go to the cinema with me?—No. thanks. I　　　it twice.A．see B．saw C．have seen D．will see【答案】C【解析】【詳解】句意：——《綠皮書》現(xiàn)在上映了。你想跟我一起去看電影嗎？——不了，謝謝。我已經(jīng)看過兩次了?？疾闀r(shí)態(tài)。see看，一般現(xiàn)在時(shí)；saw過去式；have seen現(xiàn)在完成時(shí)；will see一般將來時(shí)。根據(jù)twice可知此句是強(qiáng)調(diào)現(xiàn)在為止的生活經(jīng)歷，用現(xiàn)在完成時(shí)。故選C。60．— Hello! May I speak to Mary, please?— Sorry. She _________ a shower now.A．has B．hadC．will have D．is having【答案】D【解析】句意：喂，請(qǐng)找瑪麗接電話好嗎？對(duì)不起，她正在洗澡。本題考查動(dòng)詞的時(shí)態(tài)。Have a shower洗澡。A. has 單數(shù)第三人稱形式 B. had 一般過去時(shí) C. will have一般將來時(shí) D. is having現(xiàn)在進(jìn)行時(shí)。根據(jù)題意“她現(xiàn)在正在洗澡”是現(xiàn)在正在進(jìn)行的動(dòng)作，故選D。