药品生产企业质量管理部门负责评价原料、中间产品及成品质量的( )
A.合法性B.相容性C.安全性D.相关性E.稳定性
参考答案:E
一Why are you ready ________ Jour study in America?
一Because English is spoken ________ the first language there. [ ]
A. to; by
B. for; as
C. to; as
D. for; by
体积为1.0×10-3米3金属块全部浸没在水中,求金属块所受的浮力大小。