Ⅱ、Ⅲ类汽车库、修车库的耐火等级不低于（）。
A.一级
B.二级
C.三级
D.四级
参考答案：B
属于主观评价的方法是
A．威钠频谱(W
B．量子检出效率(DQ
C．照片颗粒度均方根值(RM
D．调制传递函数(MT
E．观测者操作特性曲线(RO
-I don't know about you, but I'm sick and tired of this weather.
-_______. I can't stand all this rain.
A．I don't care
B．It's hard to say
C．So am I
D．I hope not
