她由于健康原因被安排退休了。

　　②At the age of 80, she finally retired from public life.

　　她80岁时才从公共事务中退了下来。

　　③He has no plans to retire as editor of the magazine.

　　他还不打算从杂志编辑的位子上退休。

　　④He retired hurt with a bloody nose.

　　他因受伤鼻子流血而退出比赛。

　　[自主归纳]

　　⑤retire from ...　　　 从......退休/退役

　　⑥retire as ... 以......身份退休

　　 [即境活用2]　用retire的适当形式填空

　　①At 60, he is now approaching retirement.

　　②Is your father a retired teacher?

　　3．tough adj.难熬的；困难的；严厉的；坚强的

　　观察下面例句，体会tough的不同意义：

　　①It was a tough decision to make.艰难的

　　②She's been having a tough time of it.难熬的

　　③The report contained tough criticism of the company's management style.严厉的

　　④I think she'll be all right because she is very tough.坚强的

　　[自主归纳]

　　⑤be tough on 对......严厉

　　⑥get tough with 对......采取强硬措施

　　[即境活用3]　

　　Mistakes don't just happen; they occur for a reason. Find out the reason, and then making the mistake becomes ________.

　　A．tough　　　　　 B．precious

　　C．essential D．worthwhile

解析：选D。句意：错误不单单发生，它们的发生都是有原因的，找出原因，那么犯