Althoughthecausesofcancer,wedo

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更新 2022-09-03
科目英语
题型单选题
难度中等
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挑错有奖

Although the causes of cancer _____, we do not yet have any practical way to prevent it.

A．are being uncovered

B．have been uncovering

C．are uncovering

D．have uncovered

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相关试题

We should realize the fact that when you graduate from university, you are still not prepared for the possible situations ________ we may face in the working world.

A．where	B．when
C．that	D．what

题型：未知
难度：未知

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—How are things going, Janet?
—They have set out to deal with the present situation ________ they think deserves their immediate attention.

A．which	B．where
C．when	D．what

题型：未知
难度：未知

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Have you ever dreamed of staging a concert, ________ thousands of people are applauding and appreciating your music?

A．at which	B．when
C．for which	D．which

题型：未知
难度：未知

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—How do you like the book?
—It's quite different from ________ I read last month.

A．that	B．the one what
C．the one	D．which

题型：未知
难度：未知

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Suddenly I heard a man shouting at a driver, ________ car was blocking the street.

A．which	B．whose
C．of whom	D．of which

题型：未知
难度：未知

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