Yearsagowedidn’tknowthis,butre

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更新 2022-09-03
科目英语
题型单选题
难度中等
浏览 1138

挑错有奖

Years ago we didn’t know this, but recent science ______that people who don’t sleep well soon get ill.

A．showed

B．has shown

C．will show

D．is showing

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How to create enough jobs for the laid-off workers is a(n)________problem for which there is no simple solution.

A．delicate

B．internal

C．emergency

D．complex

题型：未知
难度：未知

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—Are you all right?
—________.

A．I think so

B．That’s OK

C．Take it easy

D．It’s very kind of you

题型：未知
难度：未知

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My goodness. How lucky we are! If there had been places for us on that aero-plane, we ________dead now.

A．will be

B．would be

C．would have been

D．had been

题型：未知
难度：未知

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Onflight would be delayed, we made other arrangements.

A．being informed

B．informed

C．informing

D．having informed

题型：未知
难度：未知

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Because of climate change, the ice that polar bears depend on for survival.

A．are slowly disappearing

B．is slowly disappearing

C．are slowly disappeared

D．have slowly disappeared

题型：未知
难度：未知

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