钢丝绳的规格较多,起重工程常用的为()。
A.6×17+1
B.6×19+1
C.6×69+1
D.6×37+1
E.6×61+1
参考答案:B, D, E
再造散的组成中含有的药物是
A.熟地黄、怀牛膝
B.生附子、炮干姜
C.熟附子、煨生姜
D.怀牛膝、枸杞子
E.生地黄、川牛膝
We no longer keep up the close friend ship of a few years ago though we still visit each other on occasion.
A.in good time
B.up to date
C.now and then
D.once and for all