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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Not having work out the problem,leave the office．

A．so he was not allowed to	B．and he didn't want to
C．the teacher couldn't make him	D．he couldn't free himself to

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难度：未知

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Nowadays, many people walk to workCopenhagen Conference calling for living a
low-carbon lifestyle to cope with global warning．

A．in relation to

B．in response to

C．in addition to

D．in opposition to

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Don't be so discouraged．If yousuch feeling，you will do better next time．

A．carry on

B．get back

C．put away

D．stick to

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—What are you busy with?
—The conferencein our city next week．

A．held

B．will be held

C．being held

D．to be held

题型：未知
难度：未知

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—Someone might see us．
—？we are not doing anything illegal．

A．what's up

B．what if

C．How come

D．so what

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难度：未知

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