测量连接盘的量具有:游标卡尺、钢直尺、千分尺、()尺、万能角度尺、内径百分表等。
A.米
B.塞
C.直
D.木
参考答案:B
Our school, which has 10000 students, ____ on the bank of the An chang River.
A.has situated
B.situate
C.situating
D.is situated
绝缘子污秽闪络等事故主要发生在()。
A.下雷阵雨时
B.下冰雹时
C.雾天
D.刮大风时