某项目的物质危险源为一般毒性危险物质，其环境风险评价大气环境影响评价范围，距离源点不低于( )km。
A．3
B．5
C．8
D．10
参考答案：A
— Father, you promised!
— Well, _____. But it was you who didn't keep your _____ first. [ ]
A. so was I; word
B. so did I; words
C. so I was; words
D. so I did; word
目前中国国家条码代码是在（）之间。
A.680—682
B.690—692
C.390—394
D.390—395
