Whileotherscientistsarekeeping

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更新 2022-09-03
科目英语
题型单选题
难度较易
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While other scientists are keeping____eye on changes in the H5N1 bird flu strain, the scientists in England are working on vaccines, in case it becomes highly infectious in ____humans.

A．a , /

B．an, /

C．the, an

D．an, the

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-----Peter likes playing football, but he can’t play it well.
------_____________________.

A．So does his brother	B．Nor does his brother
C．So is his brother	D．It’s the same with his brother

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难度：未知

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American eat______________ as they actually need every day.

A．twice as much protein	B．protein as much twice
C．twice protein as much	D．protein as twice much

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难度：未知

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A．as a result

B．as the result

C．as a result of which

D．as a result of

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难度：未知

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-----Li Ping told me that he overslept this morning.
-----Oh, he rarely used to oversleep, ________?

A．usedn’t he

B．was he

C．didn’t he

D．did he

题型：未知
难度：未知

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Is this the first time that you _____ here?

A．visit

B．are visiting

C．had visited

D．have visited

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难度：未知

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