与租借仓库相比,特别是在需求量大且稳定或者需要特殊仓储技术的情况下,自营仓库能使企业更好地进行管理控制,且成本更低、灵活性更高。
参考答案:对
--- Can you tell me whom the play ______ in the 1990s?
--- Sorry, I don’t know.
A.was written by
B.was written
C.is written
D.1s written by
下列哪些情况属于下呼吸道梗阻()
A.气管及支气管内分泌物蓄积
B.支气管痉挛
C.喉痉挛
D.舌后坠
E.气管导管堵塞