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2、近年來受中東戰(zhàn)亂以及世界金融危機(jī)的影響,世界油價波動變化很大,下列物質(zhì)受石油價格影響最小的是(   )

A.聚乙烯   B.煤氣   C.煤油    D.石蠟

試題詳情

1、化學(xué)在自然資源的開發(fā)和利用中具有重要的意義,下列對其認(rèn)識中不正確的是(   )

A.利用化學(xué)知識和化學(xué)規(guī)律,人們可以更好的開發(fā)和利用資源

B.利用化學(xué)知識和化學(xué)規(guī)律,人們可以制取更多物質(zhì),豐富物質(zhì)世界

C.人們在開發(fā)和利用資源的過程中,對環(huán)境造成了污染,化學(xué)對此無能為力

D.人們對資源的開發(fā)和利用過程中,時刻不能忘記資源的可持續(xù)性發(fā)展

試題詳情

10.(★★★★★)He through the forest alone.

   A.dare walk B.dare to walk

   C.dares walking D.dares to walk

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9.(★★★★★)It’s dark now.We have to stay here for the night, ?

   A.don’t we B.haven’t we

   C.mustn’t we D.shouldn’t we

試題詳情

8.(★★★★★)You must have seen the film last night, you?

   A.mustn’t B.isn’t

   C.didn’t D.haven’t

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7.(★★★★★)-Do you think he will do me a favour?

   -As far as I know,he is the last one to help others.He be prepared to give you a hand,though. (南京二模)

   A.might B.must

   D.should

試題詳情

6.(★★★★★)-Are you coming to Jeff’s party?

   -I’m not sure.I go to the concert intead. (2000年高考)

   A.must B.would

   C.should D.might

試題詳情

5.(★★★★★)I was really anxious about you________ home without a word.

   (2001年高考)

   A.musn’t leave B.shouldn’t have left

   C.couldn’t have left D.needn’t leave

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4.(★★★★★)Better set off at once,________?

   A.won’t you B.shall we

   C.hadn’t you D.wouldn’t you

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3.(★★★★)I’ve tried many times,but the car just________.

   A.won’t start B.wouldn’t start

   C.doesn’t start D.didn’t start

試題詳情


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