高三人教修订 Unit2 Crossing Limits

2010-09-27 09:44:56   来源:转载   评论:0 点击:

一. 本周教学内容
Unit 2  Crossing Limits

二. 重点、难点
了解人类超越自身极限的典型事例,扩充对介词的理解,巩固作阅读理解的方法。

三. 具体内容
1. Silk from China found its way overland along the Silk Road to India, the Middle East and Rome, in exchange for spices and glass.
exchange 
n. in exchange for
v. give or receive sth./sb. in place of another
eg.
He exchanged the blue jumper for a red one.
They exchanged the greetings.
2. Over the next few hundred years, the Swahili kingdoms and the islands off the African coast developed into the world’s trading center for ivory, spices, …
off: at some distance from
eg.
The ship sank off the east coast of China.
develop: grow gradually; become or make more advanced

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