次梁与主梁相交处,在主梁上设附加箍筋或吊筋,因为()。
A.构造要求,起架立作用
B.次梁受剪承载力不足
C.间接加载于主梁腹部将引起斜裂缝
D.主梁受剪承载力不足
参考答案:C
Krukenberg肿瘤是指转移至卵巢的()。
A.子宫癌
B. * * 癌
C.卵巢癌
D.胃癌
E.肝癌
The U.S. government on Wednesday ________ former Commerce Secretary Gary Locke as ambassador to China, making him the first Chinese-American ever to take the post.
A.accumulated
B.reflected
C.distinguished
D.confirmed