圆度仪记录纸上所记录的是被测工件在被测截面上（）变化量的放大图。
A.半径
B.直径
C.长度
D.角度
参考答案：A
货运市场代理入主要有（）。
A.货物运输代理
B.中转代理
C.租船代理
D.船务代理
We got home to find the whole house upset down . Thieves obviously .
A．turned; had been broken in
B．turned; had broken in
C．to have turned; had been broken in
D．turning; had been broken into
