制动器打滑的原因之一是制动轮表面或制动瓦块的衬垫上有()。
A.异物
B.灰尘
C.油污
D.麻点
参考答案:C
工业增长速度的统计范围为全部工业,按月度统计、计算和公布。()
Many students have interests. Some interests are relaxing and are creative.
A.the others
B.others
C.another
D.the other