钢筋混凝土预制桩混凝土的强度必须达到()后才能运输。
A.70%
B.80%
C.90%
D.100%
参考答案:D
— According to my grandma, it is a good idea to eat chicken soup when you have a cold.
— _____, scientists agree with her.[ ]
A. Sooner or later
B. Once in a while
C. To be exact
D. Believe it or not
培训总结主要以根据实际情况写出公正合理的评估报告为主要形式,包括()
A、导言
B、概述评估实施的过程
C、附录
D、报告提要