哪种告警是由MSOH检测的？（）。
A.HP-TIM
B.HP-SLM
C.MS-RDI
D.MS-AIS
参考答案：C, D
布袋里有3枝红铅笔，任意摸一枝，不可能摸到蓝铅笔．______．
There ____ a pair of shoes on the floor. The shoes ____ mine. [ ]
A. are; is
B. is; is
C. is; are
D. are; are
