通常夹具的制造误差应是工件在该工序中允许误差的()。
A、1倍~2倍;
B、1/10~1/100;
C、1/3~1/5;
D、0.5
参考答案:C
His mother always keeps telling him to ______ his table manners.
A.care
B.observe
C.mind
D.notice
责任保险一般将( )作为除外责任。
A.违约责任 B.过错侵权责任C.故意侵权责任 D.无过错侵权责任