-3的倒数为( );4的相反数为( );0的绝对值为( ),数轴上,表示-4的点到原点的距离为( ),到原点距离小于4的整数点有( )个。
-;-4;0;4;7
Mr. Wang _____ gets up early. So he is ______ late for work.
A.always; always
B.never; never
C.always; often
D.always; never
压力容器上选用压力表,量程应为容器最高工作压力的()倍。
A.1
B.2
C.3
D.4