我国法定职业病中尘肺不包括()
A.陶工尘肺
B.电焊工尘肺
C.滑石尘肺
D.云母肺
E.棉尘肺
参考答案:E
Don't waste your precious time. You should concentrate your work. [ ]
A.in
B.for
C.at
D.on
火力发电厂排出的烟气会造成大气的污染,其主要污染物是()
A、二氧化硫
B、粉尘
C、氮氧化物