职业危害因素按照来源的分类方法中,下列四组选项,()区别于其他三个选项。
A.噪声
B.振动
C.紫外线
D.石棉尘
参考答案:D
I feel it is your husband who _____ for the spoiled child. [ ]
A. is to blame
B. is going to blame
C. is to be blamed
D. should blame
城市的雾比郊区多,主要是因为城市的大气中含有较多的()
A.水汽
B.二氧化碳
C.固体杂质
D.气温较高