1.The woman is too mean (吝啬的) to make a donation.
2.You must try to improve the quality (质量) of all your goods.
3.Do you know when the government was founded (成立)?
4.She takes a(n) active (积极的) part in school life.
5.All people are equal (平等的), having the same rights as each other.
6.I was a fairly good football player in my youth (青年时期).
7.China is playing an important role on the international political stage (舞台).
8.We must follow the principle (原则) that education should be fair to everyone.
9.It does serious harm to children's character that too much violence (暴力) is shown on television.
10.Bill is a generous (大方的) person, who has given millions of dollars to help those people in the disasterhit area.