【单选题】
Corrosive liquids and acids should have what kind of label? （）
A、Skull and crossbones
B、Yellow
C、Red
D、White
查看正确答案A、corrosive B、flammable gas C、flammable liquid D、nonflammable gas
搜题
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第4题
A、capability of causing brittle fractures B、highly corrosive action on mild steel C、vapor cloud which reacts violently with saltwater D、toxicity at atmospheric pressure
