不透明瓷厚度是（）。
A.0.1～0.2mm
B.0.3～0.5mm
C.0.5～1.0mm
D.至少2.0mm
E.1.5～2.0mm
参考答案：A
— Did you ______ the novel yesterday?
— Yes, It's wonderful! I like it very much. [ ]
A. lend
B. read
C. use
D. talk
为什么说矿井火灾作用时间长、范围大？
