车轮防抱死系统中的车轮转速传感器，是由（）等组成。
A.永久磁铁
B.光电管
C.感应线圈
D.信号齿盘
E.电磁铁
参考答案：A, C, D
— Paul invited us to take part in a party tomorrow evening.
— ______ Is tomorrow his birthday? [ ]
A. Why not?
B. What a good idea!
C. What for?
D. That's all right.
太庙是帝王祭奠______的建筑群。
