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更新 2022-09-03
科目英语
题型单选题
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挑错有奖

For more than a decade, experts from across the globe ________ on the cure of the disease that way.

A．worked

B．are working

C．have been working

D．were working

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相关试题

Some researchers are finding that daydreaming may be important to mental health .Daydreaming ,they say, is good means of relaxation.

A．the; ／

B．／; the

C．／; ／

D．／; a

题型：未知
难度：未知

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—I am so angry that I could blow my top!
—Oh, dear, _______． What’s wrong?

A．no hurry

B．no wonder

C．take it easy

D．take your time

题型：未知
难度：未知

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Some scientists believe that it won’t be long _______ robots are widely used in all walks of life．

A．since

B．after

C．before

D．until

题型：未知
难度：未知

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Under no circumstances _______ the difficulties when they were on an expedition to the Antarctic．

A．they gave way to	B．did they give way to
C．they had given way to	D．had they given way to

题型：未知
难度：未知

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In the city, I saw so grand a National Day celebration _______ I never dreamed of．

A．which

B．as

C．that

D．when

题型：未知
难度：未知

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