我国混凝土结构设计规范规定:对无明显流幅的钢筋,在构件承载力设计时,取极限抗拉强度的()作为条件屈服点。
A.75%
B.80%
C.85%
D.70%
参考答案:C
What makes you ______ it's going to rain tomorrow? [ ]
A. to think
B. thought
C. think
D. thinking
下列属于不合法的C语言整型常量的选项是( )。
A.-32679
B.0Xabc
C.069
D.3e2