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更新 2022-09-03
科目英语
题型单选题
难度较易
浏览 662

By careful observation and precise calculation, Nicolaus Copernicus _____ that there is no one center in the universe and the sun is the center of the solar system.

A．believed

B．thought

C．concluded

D．imagined

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相关试题

We must keep our room clean, for dirt and disease go______, you know.

A．hand in hand

B．step by step

C．from time ti time

D．one zfter another

题型：未知
难度：未知

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To their great relief, the missing child returned home, ______, after an absence of two weeks.

A．felt tired and sound	B．tiring and soundly
C．feeling tired but soundly	D．tired but sound

题型：未知
难度：未知

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Have your working conditions improved?
---No, ______than before, I’m afraid.

A．no better

B．a little batter

C．not worse

D．no worse

题型：未知
难度：未知

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The task is too much for me, so I can’t carry on ______any longer. I must get some help.

A．singly

B．simply

C．alone

D．lonely

题型：未知
难度：未知

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I haven’t seen______ this since I collected stamps.

A．as old a stamp as	B．so an old stamp as
C．stamp as old as	D．as an old stamp a

题型：未知
难度：未知

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