跨度小于等于8 m的梁,底模及其支架拆除时的混凝土强度应达到设计的混凝土立方体抗压强度标准值的( )。
A.75%
B.80%
C.85%
D.90%
参考答案:A
---When is your father going to Hong Kong?
---- He is going there the morning of November 10th.[ ]
A. on
B. at
C. in
D. to
玳瑁属于()目,大壁虎属于()目。