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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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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．that

B．it

C．this

D．what

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相关试题

The mail was ___ for two days because of the heavy snows.

A．held out

B．held up

C．held back

D．held off

题型：未知
难度：未知

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In our school the women teachers ____ 56 percent of the staff.

A．turn up

B．stand for

C．make up

D．send up

题型：未知
难度：未知

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Mr. Johnson is a man of good temper, and his good temper never ____ him.

A．fails

B．disappoints

C．controls

D．worries

题型：未知
难度：未知

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Children under five are not ____to this primary school except those of extraordinary intelligence.

A．accepted

B．received

C．admitted

D．permitted

题型：未知
难度：未知

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. Could you please ____ one of your sandwiches for the hungry boy?

A．save

B．share

C．give

D．spare

题型：未知
难度：未知

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