相关简介
本课件围绕人教版高中英语必修一《Languages Around The World》中“Discovering Useful Structures”部分展开，系统讲解定语从句中 when、where、why 以及“介词+关系代词”的用法，并通过典型例句帮助理解。同时，课件还详细解析了重点词汇 struggle 和 point of view 的含义、搭配与拓展，适合课堂语法教学与自学巩固。
Grammar
It was a time when people were divided geographically. Information：a time for an event when... geographically 是定语从句，修饰 a time，when 在从句中作时间状语。
Emperor Qinshihuang united the seven major states into one unified country where the Chinese writing system began to develop in one direction. Information：a location for an event where... direction 是定语从句，修饰 one unified country，where 在从句中作地点状语。
There are many reasons why people learn a foreign language. Information：a reason for an action ·why... language 是定语从句，修饰 reasons，why 在从句中作原因状语。
These were animal bones and shells on which symbols were carved by ancient Chinese people. Information：a location for an action ·on which... people 是“介词 + 关系代词”引导的定语从句，修饰 animal bones and shells，on which=on the animal bones and shells。
Language points
1 struggle n. & vi.
（1）n. 斗争；奋斗；搏斗；挣扎
a power/leadership struggle 权力的争夺 / 领导权的斗争
a struggle for independence 争取独立的斗争
the struggle between good and evil 善恶之争
She will not give up her children without a struggle. 她不会轻易放弃自己的孩子。
（2）vi. 斗争；奋斗；搏斗
for 为（争取）……而斗争/ 奋斗
with/against 与……作斗争
to do sth. 努力做某事
to one’s feet 挣扎着站起来
a country struggling for independence 为独立而奋斗的国家
She has been struggling against her illness for many years. 她已经与疾病抗争了许多年。
She’s struggling to bring up her children on a very low income. 她以微薄的收入艰难地抚养自己的孩子。
2 point of view 观点；看法
搭配：from one’s point of view 依照某人的观点，在某人看来
There are a number of different points of view on this issue. 关于这个问题有许多不同的观点。
归纳拓展
1. have/get a good view of 好好欣赏/ 观看
2. in one’s view 按照某人的观点，在某人看来
3. come into view 进入视野
You can hear the roar and see the mist rise into the air before the falls come into view. 瀑布尚未映入眼帘之前，你就可以听到怒吼般的水声，看到袅袅升至空中的雾气。
