目前国内外应用最广的一种预应力筋是( )股钢绞线,其适用于先张法和后张法预厦力结构与构件。
A.2
B.3
C.7
D.19
参考答案:C
When I came into her room, she was________in her book.
A.absorbed
B.controlled
C.exposed
D.devoted
此病所用方剂是
A.血府逐瘀汤B.丹栀逍遥散C.补中益气汤D.归脾汤E.柴胡疏月干散