承受均布载荷时,周边简支圆平板和周边固支圆平板的最大应力都发生在支承处。
参考答案:错
下列避孕说法中正确的是()
A.更年期妇女适宜采用易受孕期知晓法避孕
B.药物流产完全后可立即服用短效口服避孕药进行避孕
C.滋养细胞疾病清宫术后可放置IUD避孕
D.年龄在30岁以上的吸烟妇女不宜选用复方短效口服避孕药
E.有痤疮的妇女不宜选用左炔诺孕酮宫内节育器(曼月乐)避孕
Every man in this country has the right to live where he wants to, ____ the color of his skin.
A.regardless of
B.in case of
C.by means of
D.with the exception of