晶体的解理性
参考答案：晶体常具有沿某些确定方位的晶面劈裂的性质，这称为晶体的解理性。
—________ one of the people from Sichuan, I'm proud _______ it.
—Me, too. They are so brave in such a terrible earthquake! [ ]
A. For, of
B. As, of
C. With, of
D. Of, at
表面式高压加热器的保护装置有什么作用？
