锅炉汽水系统中阻汽器设在（）管路上。
A．给水
B．蒸汽
C．凝水
D．排污
参考答案：C
能引起出血性膀胱炎（）
A.CTX
B.VCR
C.MTX
D.ADM
E.L-Asp
Oh, my god! The kids are making too much _______ here. I can't do anything. [ ]
A. sound
B. voice
C. noise
D. footstep
