白芷在贮存中容易发生()
A.栓剂
B.合剂
C.糖浆剂
D.胶囊剂
E.露剂
参考答案:E
How this kind of plant can be ____ in a special way is still unknown to us.
A.kept away
B.kept out
C.kept alive
D.kept off
对于同一县区在15分钟内同时发生()个以上基站阻断,视为该区域发生重大故障
A、1
B、2
C、3
D、5