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更新 2022-09-03
科目英语
题型单选题
难度中等
浏览 1122

When ______ comes to research into heart disease and its effects on the body, we do not have adequate substitutes for the use of animals.

A．it

B．this

C．that

D．which

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I was just talking to Margaret when Jackson________.

A．cut in

B．cut down

C．cut out

D．cut up

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Now many crops can be improved ________different species of plant, such as rice, wheat.

A．by making

B．by crossing

C．by converting

D．by changing

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________of food ________to the countries struck by the seaquake(海啸)．

A．Large quantities; is sent

B．Large quantities; are sent

C．Large numbers; is sent

D．Large numbers; are sent

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Each player of chess is trying to trap the other player's king into a position ________escape is impossible.

A．when

B．that

C．in which

D．from which

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No matter how much you may dislike the adverts, there's no way to ________them in an age of globalization.

A．miss

B．meet

C．see

D．escape

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