现浇混凝土板,其跨度为2米时,拆模强度需达到设计强度标准值的()
A.50%
B.75%
C.85%
D.100%
参考答案:A
治疗痫病大发作的主穴有()。
A.内关
B.涌泉
C.后溪
D.风池
E.水沟
()we stand away from the church bell, it takes time for the sound waves to reach us.
A.If
B.Whenever
C.Because
D.Where