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更新 2022-09-03
科目英语
题型单选题
难度容易
浏览 1564

.________ gas leaks and similar accidents should occur, some responsible persons should regularly inspect all the laboratories.

A．Unless

B．In case

C．Provided

D．Until

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The lesson Mr Li gave just now was too difficult for the class to ________.

A．take up	B．take out
C．take down	D．take in

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难度：未知

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The scientists recommend that studies ________ to find out what side effects the medicine might cause.

A．be done	B．should do
C．will be done	D．are done

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难度：未知

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An advertisement is useful in ________ it lets customers know of the kinds of goods in the shops.

A．that

B．which

C．what

D．whether

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—I need some fresh air, so I am going out for a walk.
—________.

A．You'd better not	B．Have fun
C．With pleasure	D．I sure am

题型：未知
难度：未知

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—Don't you know that a proper amount of exercise a day will ________ to a person's health?
—No wonder so many senior citizens do exercise in the square.

A．construct	B．conclude
C．distribute	D．contribute

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难度：未知

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