问题
选择题
________a teacher, I'll try to teach my students well.[ ]
A. To
B. For
C. As
D. With
答案
答案：C
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________a teacher, I'll try to teach my students well.[ ]
A. To
B. For
C. As
D. With
答案：C
以下对其化学性质的描述中错误的是（）