给了我很多启发的科学家在有困难时从不会丧失信心。

　　【观察思考】

　　1)He failed many times, but he didn't lose heart. 他失败了许多次, 但他并没有失去信心。

　　2)He lost his heart to her the first time he saw her. 他第一次见到她就爱上了她。

lose heart 　　

lose one's heart to sb. = 　　　, 意为:　　　

　　【尝试运用】

　　1)不要失去信心, 一切都会好起来的。

　　2)她喜欢上了一位年轻士兵。

　　Step 2　Sentence structures we are going to learn

　　1. "The last thirty years have seen the greatest number of laws stopping our rights and progress, until today we have reached a stage where we have almost no rights at all. ""过去30年来所出现的大量法律剥夺我们的权利, 阻挡我们的进步, 一直到今天, 我们还处在几乎什么权利都没有的阶段。"

　　【观察思考】

　　1)The city has seen many changes. 城市历经了许多变化。

　　2)The following year saw the death of both his sisters. 第二年他的两个姊妹都死了。

　　3)They came to the corner which had seen many accidents. 他们来到了那个发生过许多次事故的拐角处。

see, find, witness等词的主语可用　　　作, 以拟人手法增添语言色彩, see可译为"　　　"。

　　【尝试运用】

　　The year 1949 　　　 the founding of the People's Republic of China.

　　A. saw B. watched

　　C. observed D. noticed

　　【观察思考】

　　1)At that time we had reached a stage where we had more black readers than white ones. 那时候我们已到了黑人读者比白人读者还要多的阶段。

　　2)Increasing poverty has led to a situation where the poorest openly admit that they cannot afford to have children. 日益严重的贫困处境使得最为贫穷的人们只得公开承认他们养不起孩子。

　　3)He's got himself into a dangerous situation where he is likely to lose control of the plane. 他使自己陷入可能对飞机失去控制的危险境地。

在定语从句中, 当先行词是stage, point, spot, position, situation, case, method等,