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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The well was found __________ when we got there.

A．digging

B．to be dug

C．to dig

D．being dug

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Tom, ________________ you from taking a hand in that affair, you ______________ in prison.

A．if I didn’t stop; would have stayed

B．had I stopped; would be staying

C．shouldn’t I have stopped; would stay

D．if I hadn’t stopped; would have stayed

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The group’s research has done much toour knowledge of the HIV virus．

A．advance

B．pull

C．rush

D．adopt

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______ right in the center of the city, the park attracts a lot of tourists.

A．Seating

B．Laid

C．Situated

D．Stood

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For Shanghai, the Expo presents an opportunity for the city to make a global impact, _______ the way the Beijing Olympics put the capital in the spotlight in 2008 .

A．be similar with

B．similar with

C．be similar to

D． similar to

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