资源简介

(共21张PPT)
Lesson 5 Save the tigers!
Animal friends
Unit 5
Learning aims
通过阅读，了解老虎面临的问题、原因及人类的行动
介绍一种你想保护的动物
Lead in
What’s it about
Activity 1
Know the status of tigers by reading
Look at the pictures below and predict what the passage is about.
It may be about why we need to save tigers.
1 Read the passage and match each paragraph to its main idea.
The tiger is a popular animal in the world. It is a symbol of strength. Tigers usually have orange fur and black stripes. They live in the forests of Asia. They are important to nature. They keep the number of other wild animals in balance.
Today, some people hunt and kill tigers for money. Some people cut down trees in the mountains. Tigers lose their homes. The number of tigers in the wild is dropping quickly. We have to do something about it or they may disappear forever.
“Save the tigers” is a group of volunteers. The group hopes to save the tigers over the world. We need to stop keeping tigers in the zoo. We should build more national parks. To save nature. We need to save the tigers.
Paragraph 1
Paragraph 2
Paragraph 3
We should save the tigers.
Tigers are important to nature.
Tigers are in danger of going extinct.
1 Read the passage and match each paragraph to its main idea.
Careful reading
Read the Para 1. and answer the following questions.
The tiger is a popular animal in the world. It is a symbol of strength. Tigers usually have orange fur and black stripes. They live in the forests of Asia. They are important to nature. They keep the number of other wild animals in balance.
Tiger is a symbol of strength.
Tigers live in the forest of Asia.
What is tiger’s symbol
Where do tigers live
Today, some people hunt and kill tigers for money. Some people cut down trees in the mountains. Tigers lose their homes. The number of tigers in the wild is dropping quickly. We have to do something about it or they may disappear forever.
question reason(原因) result(结果)
Why do we need to save tigers
Some people hunt and kill tigers for money.
Some people cut down trees in the mountains.
Tigers lose their homes. The number of tigers in the wild is dropping quickly.
“Save the tigers” is a group of volunteers. The group hopes to save the tigers over the world. We need to stop keeping tigers in the zoo. We should build more national parks. To save nature. We need to save the tigers.
Save the tigers
hope
save the tigers of the world
stop keeping tigers in the zoo
build more national pars
Read the passage again and write some sentences to support the main idea of each paragraph.
Save the tigers
Paragraph 1
Paragraph 2
Paragraph 3
Tigers keep the number of other wild animals in balance.
The number of tigers in the wild is dropping quickly.
To save nature, we need to save the tigers.
Language points
They keep the number of other wild animals in balance.
它们使其他野生动物的数量保持平衡。
the number of 意为“……的数量”，后面跟可数名词复数。“the number of +可数名词复数”在句中作主语时，谓语动词要用单数形式
The number of wild animals is becoming smaller and smaller.
野生动物的数量正变得越来越少。
1
拓展
a number of 意为“许多”，后面跟可数名词复数，相当于 a lot of。“a number of +可数名词复数” 在句中作主语时， 谓语动词要用复数形式。 如：
A number of visitors come to Hainan for vacation every year.
每年许多游客来海南度假。
To save nature, we need to save the tigers.
为了拯救自然，我们需要拯救老虎。
to save nature 是动词不定式短语，在句子中作目的状语。 动词不定式（短语）作目的状语，通常跟在谓语之后，也可以放在句子开头，用逗号与句子隔开。
To buy some fresh vegetables, I need to go to the supermarket early.
为了买些新鲜的蔬菜，我需要早点去超市。
2
动词不定式作状语：①表目的，如：
He saved money to help the poor.
他攒钱帮助穷人。
②表结果，如：
He is too young to go to school by himself.
他太小了以至于不能自己去学校。
③表原因，如：
I was surprised to read the news.
我读到这则新闻感到很惊讶。
拓展
Activity 2
Introduce an animal you want to protect
Group work
Discuss in groups. Think of a kind of animal that you hope to protect and talk about it.
● What do they look like
● Where can you usually see them
● Why do you think they need our help
I’d like to protect pandas because they are the symbol of China.
I think we should protect …
3 Talk about the animal that you hope to protect.
Work in groups. Make a poster of the animal. Discuss some ways we can protect them. Write down your main ideas.
How to protect animals
① make rules for...
② protect the environment
③ plant more trees
④ stop hunting and killing
Presentation
5 Present your work to the class. Vote for the best poster.
Hello everyone. Here are some ways we can protect animals. First, we can make some rules for...
Summary
question reason(原因) result(结果)
Why do we need to save tigers
Some people hunt and kill tigers for money.
Some people cut down trees in the mountains.
Tigers lose their homes. The number of tigers in the wild is dropping quickly.
Exercise
不要砍伐树木。
Don’t ___________ _____________ trees.
2. 野生老虎的数量大约是4000只。
__________ __________ ___________ wild tigers is about 4000.
3. 鸽子是和平的象征。
Dove is _______ ___________ ________ peace.
4. 我们需要一组志愿者。
We need ________ _________ __________ volunteers.
cut down
The number of
a symbol of
a group of
Homework
1. Write a short passage about an animal you want to protect.
2. Preview the next period.
3. Finish the exercises.

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