I have two sticks _____________ his arms. [ ]
A. in
B. with
C. for
答案：C
15、0.4、0.2和30这四个数能组成比例．______．
流浸膏的浓度每ml相当于原药材
A．1g
B．2g
C．2～5g
D．10g
E．20g
