客车配线常用的绝缘材料有:沥青绝缘漆、()和绝缘带等。
参考答案:绝缘胶管
For everyone’s safety, we ___________ a1ways remember the law against driving after drinking.
A.could
B.should
C.might
D.would
45×★,要使这个算式积的末尾有两个0,★最小应该是( )。