一般客用品规格要求中，浴帽的基本品质要求是以塑料制品为主，洁净、（）帽口松紧适宜和耐热性好。
A、形状美观
B、牢固性好
C、无破损
D、透明
参考答案：C
---Were you at home at 7:00 yesterday evening? I called you but no one was there.
---Sorry, we ___________ a movie at the theatre at that time.
A．watch
B．were watching
C．watched
D．are watching
用你自己的话说一说下面式子表示的含义．
（1）24÷x；
（2）24÷x+5．
