Unit 2 The Environment
Project Protecting the Yangtze River
Teaching aims
1) Let the student know our mother river.
2)Let them know the importance of protecting the Yangtze River and our environment
Teaching key points
1. To know the problems the Yangtze River has
2. To find out the causes and the measures should be taken.
Procedures
Step 1 Lead in
Show the students pictures of the Yangtze River. Then ask them questions.
1. How much do you know about the Yangtze River ?
2. What has happened to the Yangtze River?
Step 2 Fast reading
Pick out the things mentioned in the article, and then find the topic sentences of each paragraph. At last, find the correct structure of this passage.
1. Pick out the things mentioned in the article :
problems, projects, causes, organizations, animals which have died out, public service advertisement, improvement, nature reserves for birds
2. topic sentence of each paragraph
Paragraph 1
The environmental problems of the Yangtze River have raised concern.
Paragraph 2
Many people have recognized the importance of protecting the Yangtze River and many environmental organizations and projects have been set up.
Paragraph 3
Two special government projects are under way to protect the river. One is the water and soil preservation project.
Paragraph 4
The second project is a nature reserve for white-flag dolphins.
Paragraph 5
The environmental situation of the Yangtze River is improving.
Step 3 Task Reading
Finish the task reading and do the detailed reading. Pay attention to the difficult phrases.
Protecting the Yangtze River Many people are 1__________ about the environmental problems of the Yangtze River .
2
_____ Rapid 3_________and industrial development 4_________huge population growth have polluted the water.
People 5_________ untreated human and industrial sewage into the river.
6
_____ 7_________ drinking water has 8_________in the health problems.
The water do harm to the 9_________of the area.

Step 4 Analyze long sentences
Show four sentences on the screen, and then analyze them one by one.
1. Rapid agricultural and industrial development plus huge population growth has meant that not only is the amount of water taken from the river rising, but the waste being put back into the river has also been increasing.
倒装语序
1.表示否定或半否定意义的副词、连词如 never, neither, nor, nowhere, hardly, not, seldom, little, at no time, not until, hardly...when，no sooner...than (一...就...） ，not only... but (also)…, 等词位于句首时需要倒装。
注意： 当not only… but (also)修饰主语放句首时，不倒装。谓语动词与离它最近的主语保持一致。
2. 由so / neither / nor置于句首，表示 “主语也(不）。。。。”时，要倒装。
*形式：
so be
neither + 助动词 +主语
nor 情态动词
3 .以only修饰的副词、介词短语或状语从句放句首时，要倒装。
注意： 当only修饰主语放句首时，不倒装。
4.在so/such…that(结果状语从句)结构中,so/such 放在句首时,须倒装。
Step 5 Find the key phrases in the text







Step 6 homework
1. Translate the sentences in Part D2 on P101.
2. Recite the important sentences and phrases in this article.