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態(tài),故選C。t. He ________ for an hour.A.B.C.D.句意:湯姆說他太累了不能繼續(xù)了。從本題的語境中可以看出他不可能累的原因是:他從開始工作到現(xiàn)在僅僅才工作了一個(gè)小時(shí),因此應(yīng)該用現(xiàn)在完成進(jìn)行時(shí),故選D項(xiàng)。s time the central government ________ some effective measures to bring them under control.A. would takehave increased。have been increasing。have been increasing。句意:房價(jià)自從去年年末以來一直在上漲,所以中央政府該采取措施加以控制了。s time that +did/ should do”的句式使用,故選D項(xiàng)。s wealth, very rapidly. A.has been raisingC.has been rising【答案】D 【解析】【分析】考查動(dòng)詞時(shí)態(tài)。哈撒韋公司的股票一直增長迅速。故選D。11.—You look pretty tired today!—I an environmental report over the last few days, which should be submitted to the boss tomorrow. A.was writingC.have been writing【答案】D 【解析】【分析】句意:—你今天看起來很累!—在過去的幾天里我一直在寫一個(gè)環(huán)境報(bào)告,這個(gè)報(bào)告明天應(yīng)要提交給老板。12.Rosa _____ this washing machine for more than ten years. She is thinking about buying a new one. A.usedC.has been using【答案】 D 【解析】【分析】句意:Rosa已經(jīng)使用這臺(tái)洗衣機(jī)超過10年了,她正在考慮買一個(gè)新的?!军c(diǎn)評(píng)】考查時(shí)態(tài),本題涉及現(xiàn)在完成進(jìn)行時(shí)的應(yīng)用。reportwill reportreportedhave been reporting【答案】D 【解析】【分析】句意:——你對(duì)中美之間的貿(mào)易戰(zhàn)爭了解多少?——哦,在最近的幾周里報(bào)紙一直在報(bào)道這件事?!军c(diǎn)評(píng)】考查時(shí)態(tài),本題涉及現(xiàn)在完成進(jìn)行時(shí)的應(yīng)用。s still watching now.A.watchingC.is watching【答案】 C 【解析】【分析】由前半句的for two hours和后半句句意“他現(xiàn)在仍然在看”可知應(yīng)用現(xiàn)在完成進(jìn)行時(shí)。15.______ her ambition of being a professional singer, she _____ very hard since an early age. A.B.To realize, was trainedD.本題第一空中使用不定式做目的狀語,第二句時(shí)間狀語since an early age通常和現(xiàn)在完成時(shí)連用,表示從過去就開始的動(dòng)作,本句使用現(xiàn)在完成進(jìn)行時(shí)強(qiáng)調(diào)動(dòng)作的延續(xù)性,表示她一直都在努力訓(xùn)練?!军c(diǎn)評(píng)】考查非謂語動(dòng)詞和時(shí)態(tài),本題涉及不定式作目的狀語和現(xiàn)在完成進(jìn)行時(shí)的應(yīng)用。had changedB.have been changingD.結(jié)合句意可知英語的變化從過去開始,持續(xù)到現(xiàn)在,并且會(huì)持續(xù)到將來,故用現(xiàn)在完成進(jìn)行時(shí),即have/has been doing,又主語these Englishers 是復(fù)數(shù),故用have been changing,選C。17.— Isn39。s why I ________ to work by train.A.B.C.D.說明坐火車上班一直持續(xù)到現(xiàn)在以后可能還在做?!军c(diǎn)評(píng)】考查現(xiàn)在完成進(jìn)行時(shí)。s time the central government _____ some effective measures to bring them under control. A. would takehave increased。have been increasing。have been increasing。因此,該是中央政府采取措施降低并控制房價(jià)的時(shí)候了。s/was time that“該是.......的時(shí)候了,從句中往往用過去時(shí),也可以用should+動(dòng)詞原形;故答