布草的储存要求是（），通风透气，墙面材料须经过防渗漏，防霉蛀处理，保持清洁，布草上加防护罩，布草上架并附有货卡，要有消防设备等。

A、这是灯
B、这是灯罩
C、这是电源
D、这是电灯开关

A、I hope you playing pleasant here.
B、I hope you’ll have a good time here.
C、I hope you’ll enjoy here.
D、I hope you’ll spend a happy time here.

A.实际出租率
B.出租率75%
C.出租率95%
D.出租率100%