英文 it is necessary that the result of an experiment______

英文 it is necessary that the result of an experiment______
a.be checked and rechecked
b.would be checked
c.should check and recheck
d.is checked and rechecked
叶波2 1年前 已收到2个回答 举报
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林雨688 幼苗

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it is necessary that the result of an experiment______
选A
这是一句虚拟语气
结构是it is +necessary +that +(should)+ do...
因为实验的结果是被检查的,所以用被动
完整的句子是it is necessary that the result of an experiment should be checked and rechecked
有不会的可以再问我

1年前

5

话的 幼苗

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选A
a.be checked and rechecked

1年前

2
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