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【解析】【分析】句意:從1990年開始,進(jìn)入中國(guó)大學(xué)的外國(guó)學(xué)生的數(shù)量呈穩(wěn)定增長(zhǎng)。注意掌握結(jié)構(gòu)現(xiàn)在完成進(jìn)行時(shí)的結(jié)構(gòu):has/have +been+現(xiàn)在分詞。ll still be some time before Jim gets back. A.B.C.D. 【點(diǎn)評(píng)】考查時(shí)態(tài),掌握現(xiàn)在完成進(jìn)行時(shí)的用法。 would takehave been increasing。have been increasing。s time that +did/ should do”的句式使用,故選D項(xiàng)。句意:為什么,你又遲到了!我在這里已經(jīng)等了兩個(gè)多小時(shí)了!根據(jù)句意可知,“等”這個(gè)動(dòng)作是從過(guò)去開始,一直持續(xù)到現(xiàn)在一直在進(jìn)行的動(dòng)作,并對(duì)現(xiàn)在造成了影響。11.— He speaks Chinese very well.— It39。B.will have been lived—這不吃驚。故知選D項(xiàng)。本句的時(shí)間狀語(yǔ)是“for decades幾十年來(lái)”,該時(shí)間狀語(yǔ)通常和現(xiàn)在完成的有關(guān)時(shí)態(tài)連用,本句強(qiáng)調(diào)這幾十年來(lái)大山一直努力把中國(guó)相聲和西方的脫口秀相結(jié)合。m tired out. I_______C.have been shopping【答案】 D 【解析】【分析】句意:我很累。s still watching now.A.watching15.Even though he gives away a piece of his fortune each year, the stock of Berkshire Hathaway, the source of Warren Buffet39。B.has risen句意:即使巴菲特每年都捐贈(zèng)一部分財(cái)產(chǎn),巴菲特所持有的伯克希爾【點(diǎn)評(píng)】本題要求考生在理解句義的基礎(chǔ)上,進(jìn)一步牢固掌握動(dòng)詞的各種時(shí)態(tài)的用法。B.D. 【點(diǎn)評(píng)】考查時(shí)態(tài),本題涉及現(xiàn)在完成進(jìn)行時(shí)。had workedB.分析句子可知,本句中的who指代前面的先行詞doctor Smith,是單數(shù)。18.—You look pretty tired today!—I was writingC.19.The Ford Company has been operatinghad been operatingsince,“自從”,Since后如果是過(guò)去的時(shí)間,主句要用現(xiàn)在完成時(shí)。分析可知從過(guò)去一直至現(xiàn)在,要用現(xiàn)在完成進(jìn)行時(shí),故選A。B.D.【點(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。B.had used表示從過(guò)去某個(gè)時(shí)間持續(xù)到現(xiàn)在一直發(fā)生的動(dòng)作用現(xiàn)在完成時(shí)態(tài)或現(xiàn)在完成進(jìn)行時(shí)態(tài),故答案選D。s subway cars are too old pared with what they pay for subways in Beijing. A.have been plaining【答案】 D 【解析】【分析】句意:我來(lái)自大陸的朋友一直在向我抱怨,他們發(fā)現(xiàn)城市里的地鐵和他們?cè)诒本┲Ц兜牡罔F相比太老了。23.You ____your depression for long, and now it39。故選D。so busily recently that I have been working。am working。had been working。故選A。will prepareB.——她一直在為下周一的駕駛考試做準(zhǔn)備。 appearances you draw! —I ______many websites about aliens.A.B.C.D. 【點(diǎn)評(píng)】考查時(shí)態(tài),本題涉及現(xiàn)在完成進(jìn)行時(shí)。C.has been waiting【答案】 D 【解析】【分析】句意:從他疲憊的臉上,我可以看出他已經(jīng)排了很長(zhǎng)時(shí)間的隊(duì)了。m sure Andrew will win the first prize in the final. —I think so. He _____ for it months.A.C.—我也這么想,他已經(jīng)準(zhǔn)備了好幾個(gè)月了。had changedB.結(jié)合句意可知英語(yǔ)的變化從過(guò)去開始,持續(xù)到現(xiàn)在,并且會(huì)持續(xù)到將來(lái),故用現(xiàn)在完成進(jìn)行時(shí),即have/has been doing,又主語(yǔ)these Englishers 是復(fù)數(shù),故用have been changing,選C。m now working for a large oil pany. A.B.C.D.我現(xiàn)在在一家大型的石油公司。