Sewing one's own clothes is a way of saving money and allows one to choose a favorite style and

A．fabric

B．linen

C．cheque

D．silk

非水滴定法测定弱酸性药物时可选用的溶剂（）

A.氯仿

B.正己烷

C.乙醚

D.乙醇

E.冰醋酸