单项选择题
Argon is classified as a().
A.corrosive
B.flammable gas
C.flammable liquid
D.nonflammable gas
点击查看答案&解析
相关考题

单项选择题
A.corrosive
B.flammable gas
C.flammable liquid
D.nonflammable gas
微信扫一扫,加关注免费搜题