— How do you go to school? — [ ]
A. Thank you.
B. By car.
C. I am fine.
答案：B
We ______ him for his working hard on English. [ ]
A. got ready
B. praised
C. were angry
D. hated
灰分大于20%的原煤，火车、汽车煤基本采样单元最小子样数规定为（）个。
A.20
B.60
C.30
