采用液压支架进行工作面支护时，初撑力不低于规定值的（）。
A.80％
B.85%
C.90%
D.95%
参考答案：A
可避免复方制剂中药物的配伍变化的片剂是
A．口含片B．舌下片C．多层片D．肠溶衣片E．控释片 `
63. The WTO can’t _____ its name if it doesn’t include a country that is home to one fifth of mankind.
A．live up to
B．go with
C．equal
D．compare with
