下列哪些物质造成的损伤属于酸烧伤()
A.无机磷
B.环氧乙烷
C.甲酚
D.芥子气
E.氨水
参考答案:C
—Let’s play computer games.
—Great! That sounds_______.
A.boring
B.difficult
C.interesting
D.sad
螺旋菌luó xuán jūn