问题
单项选择题
Chemical burns are caused by the skin coming in contact with().
A.acids or alkalies
B.diesel oil
C.acids,but not alkalies
D.alkalies,but not acids
答案
参考答案:A
Chemical burns are caused by the skin coming in contact with().
A.acids or alkalies
B.diesel oil
C.acids,but not alkalies
D.alkalies,but not acids
参考答案:A