【正文】
——我正在給我的朋友寫電子郵件??疾楝F(xiàn)在進(jìn)行時(shí)。根據(jù)What are you doing now, Kate?可知是問正在做什么,現(xiàn)在進(jìn)行時(shí)態(tài),所以回答也應(yīng)用現(xiàn)在進(jìn)行時(shí),其構(gòu)成為be+動(dòng)詞現(xiàn)在分詞;主語是I,所以系動(dòng)詞be用am,write的現(xiàn)在分詞是writing,故答案選B。46.My sister __________ the exam, so she is very happy now.A.passes B.has passed C.passed D.will pass【答案】B【解析】句意:我妹妹通過了考試,所以她現(xiàn)在很高興?,F(xiàn)在高興說明已經(jīng)通過了考試,應(yīng)該用現(xiàn)在完成時(shí)態(tài)來表達(dá),A答案為一般現(xiàn)在時(shí)態(tài);B答案為現(xiàn)在完成時(shí)態(tài);C答案為一般過去時(shí)態(tài);D答案為一般將來時(shí)態(tài)。故答案為B。點(diǎn)睛:現(xiàn)在完成時(shí)態(tài)由“have/has+過去分詞”構(gòu)成,主要有兩個(gè)含義:①表示過去發(fā)生的動(dòng)作對(duì)現(xiàn)在造成的影響和結(jié)果,常用的時(shí)間狀語有many times, yet,ever,never,just,already,so far, by now等。I have already watched the TV play. 我已經(jīng)看過這部電視劇了。(現(xiàn)在我對(duì)它不感興趣了)②表示動(dòng)作或者狀態(tài)在過去已經(jīng)開始,持續(xù)到現(xiàn)在,也許還將持續(xù)下去。用于延續(xù)性動(dòng)詞,常常與so far、for或者since短語連用。since + 時(shí)間點(diǎn) /從句,for + 時(shí)間段,如:I have learned English for 3 。(3年前開始學(xué)習(xí)英語,現(xiàn)在還在學(xué)習(xí)英語)此題雖然沒有具體的時(shí)間狀語,但結(jié)合語境理解,高興的原因是現(xiàn)在通過了考試,屬于現(xiàn)在完成時(shí)態(tài)的第一種用法。47.Neither Amy nor her parents ______ to Australia, but _______ of them know Australian customs very well.A.have been, all B.have been, both C.has been, neither D.has been, none【答案】B【解析】句意:艾米和她的父母都沒去過澳大利亞,但他們都很了解澳大利亞的風(fēng)俗習(xí)慣??疾閯?dòng)詞時(shí)態(tài)和不定代詞辨析題。Neither A nor B,表示兩者都沒有/都不,遵循就近原則;空格前面的parents(父母)是復(fù)數(shù)形式,不可用has,可排除CD兩項(xiàng)。all全都;both兩者都,Amy和her parents是兩個(gè)方面,需用both。根據(jù)句意語境,可知選B。48.一Guilin is a wonderful place. I there many years ago.一Yes. I there many times.A.went。 have been B.have gone。 wentC.went。 have gone D.have been。went【答案】A【解析】句意:桂林是個(gè)很棒的地方。我多年前去過那里。是的。我去過那里很多次。many years ago很多年前,跟一般過去時(shí)態(tài)連用,所以謂語動(dòng)詞使用go的過去式went。下文表示過去的動(dòng)作對(duì)現(xiàn)在造成的影響與結(jié)果,所以謂語動(dòng)詞使用現(xiàn)在完成時(shí)態(tài),have/has+動(dòng)詞的過去分詞,have/has been to.. , 意為“曾經(jīng)去過某地”,有“去過某地”的經(jīng)歷。 have/has gone to…, 意為“去了某地”,人不在說話地點(diǎn)。本句表示“曾經(jīng)去過某地”。故選:A。49.If our government pay attention to the safety of food, our health in danger.A.isn’t。 is B.doesn’t。 will beC.won’t。 is D.isn’t。 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。50.I don’t know when you ______ to Mary’s party. When you go, ______as wellA.go 。 I will go B.will go 。 I will go C.will go 。 I go D.go 。 I go【答案】B【解析】句意:我不知道你什么時(shí)候去參加瑪麗的聚會(huì)。當(dāng)你去的時(shí)候,我也去。第一個(gè)空是考查賓語從句,主句I don’t know是一般現(xiàn)在時(shí)態(tài),其賓語從句可以根據(jù)實(shí)際情況用任何時(shí)態(tài),本題“我不知道你什么時(shí)候去參加瑪麗的聚會(huì)”,“去”的動(dòng)作屬于沒有發(fā)生,所以選擇將來時(shí)態(tài)最佳,故排除A、D選項(xiàng);第二個(gè)空When you go,是一個(gè)時(shí)間狀語從句,而且這個(gè)時(shí)間對(duì)于說話時(shí)是一個(gè)沒有發(fā)生沒有到來的時(shí)間,也就暗示了后面主句用一般將來時(shí),即當(dāng)你去的時(shí)候我將和你一起去,表示去的動(dòng)作還沒有發(fā)生,所以主句用一般將來時(shí),構(gòu)成“主將從現(xiàn)”,故排除C選項(xiàng);故答案選B。51.In the past few years, many schools ______ the ways of doing morning exercises.A.change B.changes C.will change D.have changed【答案】D【解析】試題分析:句意:在過去的幾年里,很多學(xué)校已改變了做早操的方式。根據(jù)時(shí)間狀語In the past few years可知,本題用現(xiàn)在完成時(shí)。故選D。52.This medicine _______ millions of people’s lives since it was put into use.A.is saving B.will save C.has saved D.had saved【答案】C【解析】句意:這種藥物自從投入使用以來已經(jīng)挽救了數(shù)百萬人的生命。since后跟從句,表示“自……以來”,說明的是現(xiàn)在的狀況,判斷用現(xiàn)在完成時(shí)態(tài),故答案為C。53.Where is your father?He_________ Australia and he ________Sydney for two weeks.A.has been to。 has been in B.has gone to。 has been inC.has been in。 has been to D.has gone to。 has been to【答案】B【解析】【分析】【詳解】句意:——你的父親在哪里? ——他去了澳大利亞, 已經(jīng)在悉尼了??疾楝F(xiàn)在完成時(shí)態(tài)。have/has gone to已去了某地,表示人不在說話地點(diǎn); have/has been in 已在某地;have/has been to去過某地,但現(xiàn)在不在那里。根據(jù)句意語境,可知不在對(duì)話的地方,ACD三項(xiàng)不合語境,故選B。54.— Mike, I haven’t seen your elder sister for a long time. — She ______ Hong Kong on business for a few days.A.went to B.has gone to C.has been to D.has been in【答案】D【解析】句意:——邁克,我好久沒見到你姐姐了?!呀?jīng)在香港出差幾天了。根據(jù) for a few days可知,這些天一直在香港,表示從過去的時(shí)間一直延續(xù)到現(xiàn)在,應(yīng)用現(xiàn)在完成時(shí);又根據(jù)has been to去過和has gone to去過都不能與時(shí)間段連用可知,應(yīng)排除BC;要表示在哪里呆多長時(shí)間應(yīng)用延續(xù)性動(dòng)詞短語 be in表狀態(tài),故答案選D。55.Mary with her parents to Hong Kong. They’ll stay there for two weeks.A.have been B.have gone C.has been D.has gone【答案】D【解析】【詳解】句意:瑪麗和她的父母一起去了香港,他們打算在那里待一個(gè)星期??疾橹髦^一致和現(xiàn)在完成時(shí)。根據(jù)后面They’ll stay there for two ,可知瑪麗和她的父母待在香港兩周了,一起去了香港,并且還沒有回來,所以用have/has gone to;have/has been to 則表示去過某地(已經(jīng)回來);主語后面由with結(jié)構(gòu)時(shí),謂語動(dòng)詞由前面的主語決定單復(fù)數(shù),根據(jù)主語Mary判斷用助動(dòng)詞has.故選D?!军c(diǎn)睛】現(xiàn)在完成時(shí)的標(biāo)志詞already(肯定), yet(否定,疑問), just, before, recently, still, lately, never, ever, never, twice, on several occasion, in the past few days/weeks/months/years,(up to)these few days/weeks/months/years, this morning/week/month/year, just, up to present, so far, up to now, till now, since+時(shí)間56.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。57.Listen, someone ______ in the room.A.was singing B.sang C.sings D.is singing【答案】D【解析】【詳解】句意:聽,有人在房間里唱歌??疾閯?dòng)詞時(shí)態(tài)辨析題。listen和look等用于提醒,后面的句子多用現(xiàn)在進(jìn)行時(shí)態(tài),可排除前三項(xiàng)。根據(jù)句意語境,可知選D。58.Sally _______ reading the novel. She will return it in the afternoon.A.finish B.finishes C.has finished D.is finishing【答案】C【解析】【詳解】句意:莎莉已讀完小說了。她下午還。A. finish動(dòng)詞原形; B. finishes一般現(xiàn)在時(shí)態(tài)的第三人稱單數(shù)形式; C. has finished 現(xiàn)在完成時(shí)態(tài)的第三人稱單數(shù)形式;D. is finishing現(xiàn)在進(jìn)行時(shí)態(tài)的第三人稱單數(shù)形式。根據(jù)下句She will return it in the afternoon. 她下午還??芍?,她已經(jīng)讀完了,故用現(xiàn)在完成時(shí)態(tài),故選C。59.Ms Li will tell us something about her trip to America when she _____ back.A.came B.is ing C.es D.will e【答案】C【解析】句意:李女士回來時(shí)會(huì)給我們講講她的美國之行。當(dāng)主句是一般將來時(shí)態(tài)時(shí),when引導(dǎo)的時(shí)間狀語從句用一般現(xiàn)在時(shí)態(tài)表示,故答案為C。60.—Do you know what time your uncle Dazhou tomorrow?—At 2∶00 .. I will meet him when he at the airport.A.gets to; arrives B.will get to; will arriveC.will get to; arrives D.gets to; will arrive【答案】C【解析】【分析】【詳解】試題分析:句意:——你知道你的叔叔明天將什么時(shí)間到達(dá)達(dá)州嗎?——下午兩點(diǎn)。當(dāng)他到了機(jī)場,我會(huì)去接他。get to +地點(diǎn),到達(dá)某地;arrive,到達(dá),如果后面加地點(diǎn),要加介詞in(大地點(diǎn)),at(小地點(diǎn))。第一句是賓語從句,根據(jù)句意可知用將來時(shí)態(tài)。第二句是時(shí)間狀語從句,主句用將來時(shí),從句用一般現(xiàn)在時(shí)。故選C。