25.It’s important for the figures ______________ regularly.A.to be undated B.to have been updat

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25.It’s important for the figures ______________ regularly.A.to be undated B.to have been updat

25.It’s important for the figures ______________ regularly.A.to be undated B.to have been updat
25.It’s important for the figures ______________ regularly.A.to be undated B.to have been updat

25.It’s important for the figures ______________ regularly.A.to be undated B.to have been updat
答案:A
解释:
1. 不定式的完成形式to have done sth强调其表示的动作发生在谓语动作之前.
如:I consider him to have passed the exam.
我认为他已经通过了考试.
to pass the exam动作发生在谓语动词consider之前.
2. 但是此题无法看出be important...和be updated动作之间的先后关系,其实该句只是表示一个一般的情况/事实,所以只需要用不定式的一般形式to be updated即可.

A, to be updated
定期更新数据是很重要的