好词：
1.That's why 那就是为什么……
2.in addition 另外，除此之外
3.come about 产生
4.judge 由……判断
5.make a contribution 为……做贡献
6.do a lot of damage to… 对……造成危害
7.find it hard to get rid of 发现摆脱……很困难
8.challenge to do sth. 挑战
好句：
1.Congratulations to you on your success/good result.
  祝你取得好成功/成绩!
2.We must see the reverse as well as the obverse side of things.
  我们既要看清事物的正面，也要看到事物的反面。
3.In whatever situationmen can be placed,they may find conveniences and in conveniences.
  人们不论在什么情况下，总会有顺利和不顺利的地方。
4.It is a common saying that we do not value a thing till we    lose it.
  有句老话，一样东西在手里不觉得什么，可一丢掉了，就觉得贵重了。（失后方知难得）
5.He who idles away the time is nothing but a living death.
  虚度年华者，虽生犹死。
6.Happiness is like manna;it is to be gathered zhd enjoyed every day.
  幸福犹如甘露，应该天天来品尝。
7.The true value of life is not in what we get but in what we give.
  人生的价值不在与索取，而在于奉献。
8.Where there is a will,there is a way.
  有志者，事竟成。