以下水泥中不得应用于水泥稳定类基层的有（）。
A.早强水泥
B.快硬水泥
C.特快硬水泥
D.结块水泥
参考答案：A, B, C, D
选出并改正下列句子中的错误。
( ) 1. We have many special holiday. _______________
A B C D
( ) 2. It's going to the year of the ox. _______________
( ) 3. Can you see what I've clean. _______________
( ) 4. In the evening, our family have supper together. _______________
( ) 5. What food are you like best? _______________
人工床层通常选用（）。
A、石英
B、刚玉
C、石灰石
D、长石
