训练内容：
1.通过对英语语言的形成的了解，扩大有关本话题的词汇。
2.牢固掌握本单元中出现的一些词语的辨析及用法。
3.将词汇练习应用到语篇练习中去。提高文章的理解能力。
一、易混词语对比练习（每小题1分，共47分）
（一）idea； opinion； advice； suggestion
1. In his _________ ，we should buy a new car.
2. Mr. Wang gave us some _______ on how to learn physice well.
3. Have you any _______ of what I’m trying to explain？
4. In one of his books. Marx gave some ________ on how to learn a foreign language.
5. My _______ is that we should add some sand to his soil.
6. I have no __________ of what has happened.
