题目内容

11.-Alice,what s your opinion about my suggestion?
-Sorry,I___.Would you please say it again?(  )
A.hadn't listenedB.wouldn't listen
C.wasn't listeningD.didn't listen

分析 -爱丽丝,你对我的建议有什么看法?
-对不起,我没有听清.你能再说一遍吗?

解答 答案:C.
考查过去进行时.根据句意可知听话人在对方询问时没有听见,事情发生在刚才,是过去的时间,强调问话人说的时候没有听见,两个动作同时发生,用过去进行时,否定形式在was/were后加not,所以选C.

点评 本题考查过去进行时的用法. 过去进行时表示在过去某一时刻或某一段时间内发生或进行的动作或状态.其形式为was/were+V-ing,否定在be动词后加not.

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Scientists at the American National institutes of Health are working to develop a vaccine(疫苗) to prevent Ebola.Doctor Cary Nobel is leading the research effort at N-l-H testing center in the eastern state of Maryland.He says that during the past two years,the vaccine has been tested on small animals and monkey a for safety and effectiveness.
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He taught them about the invention of farming and keeping animals.This was an important discovery,because by learning to cultivate(耕作)the land,and care for animals,mankind would always have food steadily available.It also meant that people could remain living in one place,and this made it easier to set about tasks that would take a long while to complete,like building towns,cities,and all that were in them.All the children were listening attracted by this story,until Lucy jumped up:
"And if that was so important and improved everything so much,why are we nomads all over again,Mr.Arnold?"
Mr.Arnold didn't know what to say.Lucy was a very intelligent girl.He knew that she lived with her parents in a house,so she must know that her family were not nomads; so what did she mean?
"We have all become nomads again,"continued Lucy,"The other day,outside the city,they were cutting the forest down.A while ago a Gsherman told me how they fish.It's the same with everyone:when there's no more forest left the foresters go elsewhere,and when the fish run out the fishermen move on.That's what the nomads did,isn't it?9,
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C.if S quite good for students to learn more about the history of mankind.D.in the beginning men were nomads.

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