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问题 多项选择题

建设项目文档资料的特征有( )。

A．继承性和时效性

B．分散性和简单性

C．全面性和真实性

D．随机性

E．多专业性和综合性

答案

参考答案：A,C,D,E

选择题
— There is a story here in the paper about a 110-year-old man.
— My goodness! I can't imagine ____ that old.

A. to be
B. to have been
C. being
D. having been
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选择题

________ I can see, there is only one way to solve this problem.

A．As far as

B．Even if

C．As long as

D．As soon as
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