下列（）的清扫整理应与客人协商，定期打扫。
A.VIP房
B.普通住客房
C.长住房
D.续住房
参考答案：C
根据图片提示完成对话。
A: How do you go to ______________ ?
B: My home is near. Usually I go to school ______________ . Sometimes I
go ______________ . What about you?
A: I usually go to school ______________ .
离心铸造机初速度过慢会造成的后果
A．铸件粘砂
B．铸件产生砂眼
C．铸件铸造不全
D．铸件表面粗糙
E．铸件产生冷热裂
?
. Sometimes I 
. What about you?
.