对可更换的低压断路器的灭弧触头,如磨损厚度为原来的()时要考虑更换。
A.1/3
B.1/4
C.1/5
D.1/6
参考答案:A
契税实行( )的幅度税率。
A.1%~3% B.3%~5%C.4%~6% D.5%~7%
---- Did you go to the reading-room or the library a moment ago?
------______
A.Neither
B.No, I didn’t
C.Yes, I did
D.You are right