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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Man _____ as penguin has received more votes than Liberal Democrates.

A．dressing	B．to be dressed
C．dressed	D．having dressed

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难度：未知

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Staff(全体工作人员) were out with the council’s new ￡18,000 mowers last week, ____ grass in Brodfield, Bewbush and Gossops Green.

A．cutting	B．cut
C．to cut	D．having cut

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A woman ____ her dog and puppy, when her puppy ___ .

A．walking; ran off	B．was walking; ran off
C．walked; ran off	D．to walk; ran off

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Asia and Europe, _____ two different continents, _____ together by mountains and rivers, and belong to the same geographic plate.

A．being; are linked	B．to be; are linking
C．are; are linked	D．are; linked

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When _____ what is most important in life, some choose money, ____ others choose friendship.

A．to decide; and	B．to decide; because
C．deciding; /	D．deciding; while

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