依据现行《建筑设计防火规范》的规定，隧道的消防用电应按一级负荷要求供电的有（）

A. 有900个座位的电影院

B. 层数有8层的单元式住宅

C. 层数有7层的学生宿舍

D. 建筑面积有400㎡的商业服务网点

A. 一类隧道

B. 二类隧道

C. 三类隧道

D. 四类隧道

B．戊类

C．乙类

D．丙类

B.I want coffee

C.With pleasure

D.You can please

B.Yes.What's it about

C.It's still there

D.That's a good idea

B.Thank you

C.No,thanks

D.Of course not

B.No,you can't

C.No,they are mine

D.Yes,you can

B.Best wishes

C.Good luck

D.Right

B.It's a birthday present for you

C.You really need one

D.It looks very good on you