CAD中要绘制三七墙体，输入的数值应是（）。
A、120，-120
B、240，-120
C、240，-130
D、370，0
参考答案：B
贯彻“三个代表”重要思想的关键是
A．坚持与时俱进 B．坚持党的先进性C．坚持执政为民 D．坚持科学发展观
Hardly _____ any mistakes in his working here during these three months. [ ]
A. Tom did make
B. has Tom made
C. Tom made
D. made Tom
