Unit 2 The EnvironmentProject Protecting the Yangtze River(譯林牛津版高二英語必修五教案教學(xué)設(shè)計)

發(fā)布時間：2016-5-12 編輯：互聯(lián)網(wǎng) 手機版

By Xu Weiliang

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

Know the problems the Yangtze River has, find out the causes and the measures should be take.

Teaching methods

1) Listening to get the general idea

2) Ask and answer

3) Writing

Teaching aids

1) A tape recorder

2) A computer

Procedures

Step 1 lead in

Show the students pictures of the Yangtze River. Then ask them questions.

Do you like the Yangtze River?

Why is it important in our country?

Let’s divide the class into four groups. Then try your best to tell about the Yangtze River as much as possible. The group which has more ideas will be the winner.

Competition:

GROUP A:

GROUP B:

GROUP C:

GROUP D:

1. Basic knowledge:

How many provinces does it run across?

How long is the Yangtze River?

Please give the names of the three longest rivers in the world?

Where is the source of the river?

How long is the river navigable by oceangoing vessels?

What are the three gorges?

Would you say something about them?

Where is the Three Gorge Dam?

How long is the Three Gorge Dam?

How high is the Three Gorge Dam?

Do you know anything more about the Three Gorge Dam?

2. Match the pictures with the names:

Please give the names of the bridges over the river as many as you can

Please give the names of the rare fishes in the river as many as you can.

Please give the names of famous cities along the river as many as you can

Step 2 listening

Now since you have some knowledge about Yangtze river, listen to the tape and tell what the passage is talking about

Step 3 reading

This time I want you to read the passage carefully and do the exercises below:

1) Answer the questions:

1. Why do the environmental problems of the Yangtze River draw people’s attention at home and abroad?

Because it is the third longest river in the world and home to a diverse range of fish and animals while many people depend on it for drinking water.

2. What has caused the pollution of the Yangtze River?

Rapid agricultural and industrial development plus huge population growth has resulted in the rising amount of water taken from the river, and the waste being put back into the river.

3. What bad effects has it had on the ecology of the area?

Unsafe drinking water which has led to healthy problems for people living near the river and killing many plants and animals.

4. What have been done to deal with the problem?

Environmental organizations and projects have been set up to deal with the problem.

5. What has The Green River Organization done?

It educates and advises people on the importance of protecting this great river. It watches the river. It stops the illegal hunting of animals.

6. What has the government done to deal with water and soil preservation?

Two special government projects are also under way to protect the river ,Which work out possible solutions to the many problems, such as the water and soil preservation. result in farmers replacing the crops on their farmland with trees or grassland, and set up a nature reverse for white-flag dolphins

7. What has the government done to save white-flag dolphins?

The reserve was set up on the lower reaches of the river in Zhenjiang. Boats are prohibited from entering this area in order to keep the dolphins safe.

8. What is the good news for the river?

People have finally realized that it is their responsibility to protect this great river

2) Fill in the form

problems unsafe drinking water which has led to healthy problems for people living near the river.

harmful effects on the ecology of the area,

killing many plants and animals.

endangered the wild animal population.

causes 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.

measures set up environmental organizations and projects to deal with the problem

What have been done? The Green River organization educates and advises people on the importance of protecting this great river. Watches the river. Stops the illegal hunting of animals.

Government projects work out possible solutions to the many problems, such as the water and soil preservation. Result in farmers replacing the crops on their farmland with trees or grassland. a nature reverse for white-flag dolphins

Step 4 language points

Now we are familiar with the passage, let me explain some key language points for you.

1. As the third longest river in the world, it is clear to see why the environmental problems of Yangtze River have raised concern both nationally and internationally.

raise 引起；造成

His absence raised fears about his safety. 他的不在引起人們對他安全的擔(dān)心。

The use of animals in scientific tests raises some difficult ethical questions.

用動物做科學(xué)試驗引起了一些棘手的道德問題。

A funny remark raises a laugh.

滑稽的話惹人發(fā)笑。

2. 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

plus 加, 加上, 和

Three plus two equals five.

三加二等于五。

This work requires intelligence plus experience.

這項工作需要才智和經(jīng)驗。

I found myself plus nearly 100 yuan.

我多得了近一百元。

All the children here are 12 plus.

這里所有的孩子都大于十二歲

3. Nor is it good news for the fish and wildlife that live in or along the river.

[與neither, not 連用, 或與 no, never 等表示否定的詞連用]也不

It is neither hot nor cold in winter here.這里冬天既不熱也不冷。

There is neither river nor stream nearby.附近既無河流也沒小溪。

He does not do it, nor does he try.他沒有做, 也沒嘗試一下。

She can't get there at four, nor can I.

她不能在四點鐘到那里, 我也不能。

Not a man nor a child was to be seen in the village.

在村子里, 無論大人小孩一個也看不見。

I never saw him again, nor did I hear from him.

我再也沒有見到他, 也沒有收到過他的信。

4. Thankfully, many people have recognized the importance of protecting the Yangtze River and environmental organizations and projects have been set up to deal with the problem.

recognize 認出,認清, 認識到

I recognized Peter although I hadn't seen him for 10 years.

雖然我有10年沒看到彼得了，但我認出了他。

I don't recognize this word -- what does it mean?

我不認識這個單詞，它的意思是什么？

Many fail to recognize that all these things are in danger of being denied.

許多人沒有看到這一切正處于失去的危險之中

5. Two special government projects are also under way to protect the river.

under way

在進行中, 發(fā)生; 在航行中

Preparations are well under way

準備工作正在開展

6. The projects focus on problems along the crops on the Yangtze River such as water conversation.

focus on使集中于焦點；集中

to focus one's mind on work

集中精力于工作

You must try to focus your mind on work and study. (喻)

你應(yīng)該努力把思想集中在工作的學(xué)習(xí)上。

All eyes were focused on the speaker. (喻)

大家的目光都集中在發(fā)言人身上。

7. The organization also watches the river and stops the illegal hunting of animals which had been a major problem and which has endangered the wild animal population

endanger 危及，危害

The polluted air in the city is badly endangering the health of the residents.城里被污染的空氣正嚴重地危及居民的健康。

buying speculative stocks endangered her financial security.

購買投機性股票而使她在金融方面冒風(fēng)險

8. The Yangtze River is home to a diverse range of fish and animals including the white-flag dolphin, a rare Chinese mammal which depends on the Yangtze River for survival.

a range of buildings 一排樓房

a range of pictures 一系列畫片

a large range of motors for sale 一長排待售的汽車

a wide rage of temperature 氣溫變化很大

the range of the nightingale 夜鶯的生長區(qū)

the annual range of temperature 每年的溫度變化范圍

a wide range of knowledge 廣博的知識

the range of one's voice 音域

9. The second environmental project includes a nature reverse for white-flag dolphins, one of the most endangered animals in the world.

reverse 倒退；倒轉(zhuǎn)

He reversed the car. 他倒車。

翻轉(zhuǎn) She reversed the paper.

她把紙翻過來。

改變；使成相反的東西 He reversed the judgment and set the prisoner free after all.

他撤銷了原判，終于釋放了囚犯。

10. Boats are prohibited from entering this area in order to keep the dolphins safe.

常與from連用）

prohibit 禁止；不準

Smoking is strictly prohibited in the process of handling explosive materials.

"在處理易爆物時,嚴格禁止吸煙。"

妨礙；阻止；使不可能

His small size prohibits his be coming a policeman.

他的個子太小使他無法當(dāng)警察。

Step 5 writing

In this period, we have learned the problems about Yangtze river and know the causes and solutions. We should try our best to protect the river and our environment. Now can you write a report about Yangtze river since you have known the situations. Now work in groups and write a report.

Planning

Work in small groups. Discuss what you read on the previous page, briefly discuss the questions below and then decide on a topic for your report. Have it approved by your teacher.

What do you think are the biggest environmental problems in China?

What is the Chinese government doing to protect the environment?

The topic for our report will be _____________________________.

Discuss the tasks listed below and decide which group members will be responsible for each task. Write the names beside the work each member is going to do. ( Remember, two or three people can work on the same task!

Research _______________________________________________

Write the outline _________________________________________

Write the report __________________________________________

Preparing

Members responsible for doing research need to find information from various sources on the topic you have chosen. The group should discuss the information found, and decide what to include in the report and what to leave out.

Those responsible for writing the outline should organize the information the group has decided to use and write an outline for the report using that information. The outline should be approved by the whole group.

Producing

Group member who are writing the report will have to it based on the outline.

All group members should edit the report before it is passed on to another group for editing. Your group will be editing another group’s report at the same time.

While editing, you should read the report closely and look for the following:

sentence structure organization punctuation

vocabulary grammar spelling

During the editing stage, correct any mistakes you find and offer suggestions to the group on how they can improve their report. Ask for comments on your report as well.