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根據(jù)句意語境,可知選B。50.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。根據(jù)句意結(jié)構(gòu),可知選D。 rain【答案】D【解析】句意:我們不確定明天是否會(huì)下雨。48.We’re not sure _______ there’ll be _______ or not tomorrow.A.if。 ask【答案】A【解析】試題分析: 句意:親愛的,明天我有個(gè)重要的會(huì)議。47.—Dear, I have an important meeting tomorrow.—It doesn’t matter. If you _______ go to the movie tomorrow, I _______ my friend to go with me.A.don’t。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。表示過去發(fā)生或已經(jīng)完成的某一動(dòng)作對現(xiàn)在造成的影響或結(jié)果。根據(jù)語境可知,本句為現(xiàn)在完成時(shí)態(tài),所以動(dòng)詞使用過去分詞lived。 lived【答案】D【解析】句意:我知道你多年前就來中國了。43.—I know you ______ to China many years ago. And how long have you ______ in China ?—I don’t remember it exactly.A.e??疾橐话氵^去時(shí)。has gone to去了某地,還沒回來;have been to去過某地,已經(jīng)回來了;have gone to去了某地,還沒有回來。 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。40.If our government pay attention to the safety of food, our health in danger.A.isn’t。39.— Where is Mr. Wu? — He together with his students __________ singing by the lake .A.is practising B.a(chǎn)re practising C.will practise D.would practise【答案】A【解析】【詳解】句意:——胡先生在哪里?——他和他的同學(xué)們一起在湖邊練習(xí)唱歌。根據(jù)就近原則,a wonderful match一場精彩的比賽,需用there is going to be,可排除C項(xiàng)??疾閠here be結(jié)構(gòu)。哦,我當(dāng)時(shí)在洗澡。35.They ________ the ing of the year 2018 when an accident happened.A.were celebrating B.celebratedC.would celebrate D.have celebrated【答案】A【解析】【詳解】句意“當(dāng)事故發(fā)生時(shí),他們正在慶祝即將來臨的2018年”。34.Since the Belt and Road was e up with by president Xi Jinping, the contract amount(總額) of signing the documents(合同) yuan.A.have reached B.reached C.has reached D.will reach【答案】C【解析】【詳解】句意:自習(xí)近平主席提出“一帶一路”倡議以來。根據(jù)提示詞last night可知時(shí)態(tài)用一般過去時(shí),“練習(xí)”practice,其過去式為practiced,故答案選B。此題考查賓語從句,賓語從句要用陳述句語序,C和D是疑問句語序,故排除;根據(jù)回答Tomorrow morning可知此句時(shí)態(tài)是一般將來時(shí),A是一般過去時(shí),B是一般將來時(shí);故選B。根據(jù)got可知,電影開始五分鐘屬于在過去某時(shí)間前已經(jīng)存在的狀態(tài),應(yīng)該用過去完成時(shí),所以排除A和C。B.has begun【點(diǎn)評】英語中的時(shí)態(tài)主要是借助于時(shí)間狀語與上下文語境來進(jìn)行判斷。C.【點(diǎn)評】此題考查過去完成時(shí)的用法。had never been【答案】 D 【解析】【分析】句意:我阿姨說她從沒去過廣州。28.My aunt said that she ________ to Guangzhou. A.選A。t heard【答案】 A 【解析】【分析】句意:請?jiān)僬f一遍,我沒太聽清你說的話。t heart, didn39。t, hadn39。met表明時(shí)態(tài)是過去時(shí),所以用過去完成時(shí),故選D。t met【答案】 D 【解析】【分析】句意:我上周見過吉姆。haven39。B.【點(diǎn)評】考查過去完成時(shí)的用法。根據(jù)時(shí)間狀語,確定動(dòng)詞的時(shí)態(tài)。had finished【答案】 D 【解析】【分析】句意:到上學(xué)期末,一班的學(xué)生已經(jīng)完成了三個(gè)項(xiàng)目?!军c(diǎn)評】考查時(shí)態(tài)辨析24.By the end of last term, the students of Class One___________ three projects. A.t seen【答案】 D 【解析】【分析】 句意:昨天艾倫見到他的老朋友了嗎?——使得,他見到了。hasn39。B.23.—Did Alan see his old friends yesterday?—Yes, he did. He當(dāng)我到家的時(shí)候是過去時(shí)間狀語,所以我的父母已離開家?guī)讉€(gè)小時(shí)了。D.B.過去完成時(shí)表示動(dòng)作發(fā)生在過去的過去,本題不難,平時(shí)加強(qiáng)記憶,理解即可。D.has begun【點(diǎn)評】考查過去完成時(shí)?!军c(diǎn)評】注意時(shí)間狀語,很容易選出。19.By the end of last month, we ______already ______ our lessons. D.B.【點(diǎn)評】考查動(dòng)詞的時(shí)態(tài)。had begun。began。故選D【點(diǎn)評】考查過去完成時(shí)。by the time,直到……時(shí)候,指從過去某一點(diǎn)到從句所示的時(shí)間為止的一段時(shí)間,常與過去完成時(shí)連用。B.began故選C。had plannedplanwas happened【答案】 B