焊接作业的危害因素可分为( )两种。
A．安全性和卫生性
B．物理性和化学性
C．永久性和暂时性
D．一般性和特殊性
参考答案：D
We saw several natives advancing towards our party, and one of them came up to us, ____ we gave
some bells and glasses. [ ]
A. to which
B. to whom
C. with whom
D. with which
下列各项中，不属于《企业所得税纳税申报表》第43行“纳税调整前所得”的有（）。
A．国债利息收入
B．弥补以前年度亏损
C．处理债务收入
D．投资收益
