Unit 3 Animals Are Our Friends.Lesson 17 Save The Tigers 课件(共36张PPT)

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Unit 3 Animals Are Our Friends.Lesson 17 Save The Tigers 课件(共36张PPT)

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(共36张PPT)
初中英语冀教版八下
Unit 3 Animals Are Our Friends.
Lesson 17 Save The Tigers
1. To master the words and phrases:
century, fur, symbol, courage, brave, chain, balance,reason, disappear,
kill, cut, decrease, at the beginning of, drop to, food chain, in balance
2. To know some sentences about protecting animals.
a. For this reason,Tigers are important to the environment.
b. Some people hunt and kill tigers for money.
c. We must do something about it.
3. To know some ways about protecting animals.
1. Do you know what kind of animals are in danger
2. Why should we help protect animals in danger
Lead in
Ask and answer these questions with your partner.
Look at the pictures of animals in danger..
Lead in
Animals in danger
Animals are an important part of the environment.
They provide us with food and many other resources.
They can be our friends and our helpers.
Let’s try our best to protect them!
Why should we help protect animals in danger
Lead in
Ask and answer these questions with your partner.
Learn
THINK ABOUT IT
Where can you usually see a tiger
Do you think tigers need our help?Why or why not
“Save the tigers” is a group of volunteers. These
volunteers hope to save the tigers of the world.
At the beginning of the 20th century, the number
of tigers in the wild was around 100 000. But
today that number has dropped to a few thousand.
Tigers live in the forests of Asia. They usually have orange fur and dark stripes. Tigers are symbols of strength and courage. In many stories, they are brave. The tiger is at the top of the food chain. It helps keep the number of other wild animals in balance. For this reason, tigers are important to the environment.
Save the Tigers group works to protect the tigers.
Learn
Learn the text.
In recent years, tigers have been in danger of disappearing. Some people hunt and kill tigers for money. People have cut down a lot of trees as well. As forests disappear, tigers lose their homes. The number of tigers in the wild is quickly decreasing and we must do something about it.
Learn
Learn the text.
These tigers live in a zoo.
There are currently six types of tigers:the Bengal tiger,the Siberian tiger,the Sumatran tiger,the Malayan tiger,the Indochinese tiger and the South China tiger.
Learning Tip
Read the text in groups and pay attention to these sentences.
Practice
(1) But today that number has dropped to a few thousand.
(2) These volunteers hope to save the tigers of the world.
(3) At the beginning of the 20th century, the number of tigers in
the wild was around 100 000.
(4)People have cut down a lot of trees as well. Please pay
attention to the long words: thousand, volunteer, beginning.
1. The number of the tigers has dropped to a few ___________.
2. Tigers are important to the ___________.
3. In recent years, tigers have been in danger of ____________.
thousand
environment
disappearing
Read the text and fill in the blanks.
Practice
(1) The tiger is at the top of the food chain. (  )
(2) The number of tigers is quickly decreasing now. (  )
T
T 
Read the text and decide whether the statements are true or false.
Practice
教材解读
1. These volunteers hope to save the tigers of the world.
hope to do sth意思是“希望做某事”,在这用动词不定式作宾语。
e.g. My sister hopes to have a trip to Beijing.
我妹妹希望去北京旅行。
【拓展】 
在下列动词后面一般都接动词不定式作宾语: want, hope, wish, like, begin, start, try, agree, learn等。
e.g. The baby is learning to walk.
宝宝正在学走路。
教材解读
2. At the beginning of the 20th century, the number of tigers in the wild was around 100 000.
at the beginning of意思是“在……一开始,最初”,一般后面接名词,表示事情或者事件的最初,而且一般放在句首。
e.g. At the beginning of the race, she ran very fast.
比赛最初,她跑得非常快。
教材解读
3. But today that number has dropped to a few thousand.
drop作动词,意思是“下降;下跌”。drop to 意思是“下降到”。
e.g. The price of the skirt dropped to 100 yuan.
这条裙子的价格下降到了100元。
【拓展】 
(1) drop 作动词时,还可以当“落下,停止,放弃等”讲。
e.g. She dropped the flowers on the street.
她把花落在了街上。
(2) drop 作名词时当“滴,水珠”讲。
e.g. There are some drops of water on her head.
她头上有几滴水珠。
教材解读
4. Tigers are symbols of strength and courage.
courage 是不可数名词,意思是“勇气”。
e.g. Everyone should have courage to face the difficulties.
每个人都应该有勇气面对困难。
教材解读
5. In many stories, they are brave.
brave作形容词,意思是“勇敢的,无畏的”,在句中作表语或者定语。
e.g. This policeman is very brave.
这个警察非常勇敢。
【拓展】brave的副词形式就是bravely。
e.g. Everyone should face the difficulties bravely.
每个人都应该勇敢地面对困难。
教材解读
6. For this reason, tigers are important to the environment.
reason是可数名词,意思是“原因,理由”,其复数形式为reasons。
e.g. She doesn’t have any reasons to do this.
她没有任何理由去做这个。
教材解读
7. People have cut down a lot of trees as well.
◆cut down意思是“砍倒”,指的是从根基部分砍倒某物。
e.g. The zoo keeper cut down some bamboo to feed the pandas.
动物园饲养员砍些竹子去喂熊猫。
教材解读
【拓展】 
(1)cut down 还可以表示“(尺寸上或者数量上)削减,缩小”,也可以与to或者on连用。
e.g. She wants to cut the pocket money down to 50 yuan.
她想把零花钱降到50元。
(2)与cut 有关的常用词组有:
①cut in插嘴,打断说话。
e.g. It is impolite for children to cut in when their seniors are talking.
孩子们在他们的长辈谈话时插嘴是不礼貌的。
教材解读
②cut off切掉,切断。
e.g. The village is cut off by the flood.村子被洪水隔绝。
③cut out割掉,剪下。
e.g. I cut out the paragraph in this article.
我删除了这篇文章的一个段落。
④cut up切开,切成小块。
e.g. Please cut up the vegetables very fine.
请把蔬菜切成碎末。
教材解读
⑤cut back削减,缩减。
e.g. Rose bushes shoot again after being cut back.
玫瑰丛修剪后还能再长出新枝。
⑥cut into切成,插入。
e.g. A loud voice cut into their discussion.
一个很响的嗓音突然插进到他们的讨论中去。
教材解读
7. People have cut down a lot of trees as well.
◆as well 意思是“还,也”,一般用于口语之中,和too意义一致。
e.g. I finished my homework. Lucy finished her homework as well.
我完成了作业。露西也做完了。
教材解读
【拓展】 
(1)as well一般用于英语口语之中,它前面不用加逗号,而且只能用于肯定句中。
(2)too一般用于口语之中,也可以用于肯定句和一般疑问句中,一般放在句尾,它前面可用逗号隔开,也可不用。有时也可以放在句中,前后均加逗号。
(3)either意思是“也”时,只能用在否定句中,且要放在句尾,它前面通常要用逗号隔开。
(4)also一般用于肯定句中,放在be动词、助动词、情态动词之后,实义动词之前,不能放在句尾。
1. Read the lesson and match each paragraph with its main idea.
Let’s Do It!
Tigers are in danger of going extinct.
“Save the Tigers” is a volunteer group that hopes to stop the tigers from disappearing.
C. Tigers are important to the environment.
Paragraph 1
Save the Tigers
Paragraph 2
Paragraph 3
A
C
B
2. Read the lesson again and find some sentences to support the main idea
of each paragraph.
Let’s Do It!
The tiger is at the top of the food chain. It helps keep the number of other wild animals in balance.  
Paragraph 1
Paragraph 2
Paragraph 3
“Save the tigers” is a group of volunteers. These volunteers hope to save the tigers of the world.
The number of tigers in the wild is quickly decreasing and we must do something about it.
Save the Tigers
I don't think we should buy clothes made of animal fur.
People shouldn't hunt any animals for their fur and bones.
People shouldn't cut down trees.
3. Work in groups and discuss some ways we can protect animals.
Write down your ideas.
Let’s Do It!
Read the passage and find the main idea of each paragraph with the sentences
that support the main idea.
Exercises
Pandas are in danger
The panda is one of the animals most in danger. Pandas live in the forests and mountains of Southwest China. They mainly eat bamboo, and each panda needs to eat a lot of bamboo every day. The area of bamboo is becoming smaller for many different reasons, so pandas have fewer and fewer places to live. Pandas don’t have many babies, and baby pandas
often die. The situation(情况) is becoming very serious.
Read the passage and find the main idea of each paragraph with the sentences
that support the main idea.
Exercises
Our government(政府) is working hard to save pandas. There are more than 30 nature reserves(保护区) to protect pandas in China but these are not enough. The government made a new plan to help pandas. The nature reserves will be bigger and the bamboo will grow better. Then pandas will have enough bamboo to eat and enough places to live. Pandas born in zoos may go back to live in the nature reserves.
Read the passage and find the main idea of each paragraph with the sentences
that support the main idea.
Exercises
Most people love pandas. The panda is one of the best-known animals in the world. It is the symbol for the World Wide Fund for Nature(世界自然基金会). The WWF works to protect all animals in danger, so the panda became the symbol of all animals in danger. There is still a long way to save the panda. Think of other animals in danger such as tigers, whales(鲸鱼) and elephants. We need to save the panda, and we need to save them, too.
根据汉语完成句子。
Exercises
1. The old people can’t keep themselves __________(保持平衡).
2. The price of the eggs has __________ (下降到) 4 yuan.
3. Lily can sing, and she can dance __________ (也).
4. _________________(最初) the month, my sister went to Beijing.
5. Many animals _________________ (正在消失) slowly.
in balance
dropped to
as well
At the beginning of 
are disappearing
__________________20th century, Texas red wolves lived in the land comfortably. But later in order to develop agriculture, a lot of American farmers opened up wasteland(荒地).
They __________ large forest __________. The environment was damaged in a very short time. The habitat(栖息地) of Texas red wolves was smaller and smaller. The ecology(生态) was not __________. Meanwhile, the development of animal husbandry(畜牧业) makes Texas red wolf became an enemy of the American farmers. The farmers have hunted them a lot. Until in 1970, the last Texas red wolf died in the bay near Texas.
In the world, many species are __________ of disappearing like Texas red wolves.
as well cut down in danger in balance at the beginning of
Fill in the blanks with the words in the box.
Exercises
At the beginning of
in balance
cut down
in danger
as well
Homework
Create a poster about ways we can protect animals.
Remember
The fox may grow grey, but never good.
狐狸毛色可变灰,但是本性难移。

The fox preys farthest from his hole.
狐狸捕食,远离洞府。(兔子不吃窝边草。)
When the fox preaches, then take care of your geese.
每当狐狸说教,当心鹅群被盗。
教师寄语
Dear class, Tigers are important to the environment! So are the other wild animals!
Have you ever thought, if there is no animals left in the world someday, how will the human be
So, please remember: Animals are our friends!
Protecting the wild animals is to protect our future!
Thanks for listening!

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