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
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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