使用游标卡尺,当尺框与尺身零刻度线对齐时,量爪之间的距离为()。
A.0.01
B.0.1
C.0
D.0.001
参考答案:C
—Have you heard of the songs sung by the first lady---Peng Liyuan?
—Of course! ___________ beautiful voice she has!
—I agree.
A.What
B.What a
C.How
D.How a
按照现行相关法规规定,公路工程的安全措施费不少于投标报价的( )。
A.3%
B.2%
C.1%
D.0.5%