下列公安机关执法监督中不属于内部监督的是( )。A．行政监察监督 B．法制部门监督

美发师的谈吐要（）

A.文雅

B.典雅

C.规范

D.丰富

This factory has so far produced________ as last year. [ ]

A. as many three times cars      

B. three times as many cars 

C. as many cars as three times

D. three times more cars than

按重量计，含羊毛45%，粘胶短纤30%，锦纶短纤25%，每平方米190克的色织平纹机织物(幅宽180厘米)()

精密水准仪与精密水准尺配合,一般可直读0.2mm,估读0.02mm。

钻孔前要安装钻杆，连接钻杆时要对准丝扣，避免歪斜和（）。

A.漏气

B.漏水

C.卸压