夹具设计的基本原则是"三好",即:好用、好修、好制造。
参考答案:对
――I don’t like Tom.
――Neither do I. He doesn’t have a (n) ____of right and wrong.
A.feeling
B.knowledge
C.sense
D.idea
It is hard for me imagine what I would be doing today if I in love,at the age of seven,with the Melinda Cox Library in my hometown.
A.wouldn’t have fallen
B.had not fallen
C.should fall
D.were to fall