我国图书在版编目数据根据（）标明图书的分类号。
A．四部分类法
B．中图法
C．主题法
D．时序法
参考答案：B
―Thank you very much for giving me a hand when I was in trouble.
―Don’t mention it. I only did what anyone else _______ in my place.
A．must do
B．might do
C．would have done
D．can have done
润滑油的黏度越大，油膜强度越高，流动性（）
A.越好
B.越差
C.无影响
D.适中
