Asthereislessandlesscoalandoil

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更新 2022-09-03
科目英语
题型单选题
难度中等
浏览 647

As there is less and less coal and oil, scientists are exploring new ways of making use of ____ energy, such as sunlight, wind and water for power and fuel.

A．original

B．alternative

C．convenient

D．staple

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相关试题

．Talented in skiing, he has hopes of being _______ for the national team.

A．elected

B．offered

C．hired

D．selected

题型：未知
难度：未知

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―These necklaces are fantastic! Jack, what about _______ with red stones?
―Mmm, I don’t know, but why not try _______ on?

A．one; it

B．it; that

C．the one; it

D．that; one

题型：未知
难度：未知

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The minute I opened the window, _______.

A．in a sparrow flew	B．flew in a sparrow
C．did a sparrow fly in	D．in flew a sparrow

题型：未知
难度：未知

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He was working quietly, with all his attention _______ on the task.

A．was fastened

B．fastening

C．to fasten

D．fastened

题型：未知
难度：未知

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The earthquake in Yushu _______ roughly one month before the second anniversary of the earthquake in Wenchuan.

A．was happened	B．had happened
C．happened	D．had been happened

题型：未知
难度：未知

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