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《Grammar》新课标PPT课件优质课下载
1.Revise what we have learned in Book 3 Module 5;
2. Tell the differences between Non-defining relative clauses and Defining relative clauses ;
3. Application of the Non-defining relative clauses.
Interview A
Suppose you are an engineer of the Three Gorges?Dam. Now you are interviewed.
Interviewer: Why is the dam built?
Engineer: The Three Gorges Dam, which is the biggest construction project in
China ,has been built to control flooding and provide hydro-electric
power .
Interviewer: Who did come up with the idea first?
Engineer: Sun Yat-sen, who was the leader of the 1911 Revolution, first suggested the
idea in 1919.
Interviewer: What is the power of the dam?
Engineer: The power of the Yangtze River, which is the world’s third longest river, has
been harnessed(利用) by the Three Gorges Dam.
What would happen if delete(删除) the red clauses(红色的句子)?
Interview A Suppose you are an engineer of the Three Gorges?Dam. Now you are interviewed. (using original subordinate clauses（从句）on page 53)
Interview A
What would happen if delete(删除) the red clauses(红色的句子)?
Can the interviewer understand what the engineer is talking about?
Yes, it’s understandable.
Interview B
Suppose you are a professor of engineering. Now you are interviewed.
Interviewer: Why is the dam built?
Professor: Different dams have been built for different purposes. The dam which has been built to control flooding and provide hydro-electric power is the Three Gorges Dam.