Lesson 17 Save the Tigers-初中英语 八年级下册 冀教版 同步课件(共26张PPT)

(共26张PPT)
Unit 3 Animals Are Our Friends
Lesson 17 Save the Tigers
1 学习目标 2 新课导入
3 新课讲解 4 当堂小练
5 课堂小结
目录
contents
Master the new words and phrases,understand the meaning of text.
Make the Ss can talk about the animals in English.
Ask the Ss to discuss how to protect the animals.
学习目标
思 考
What can you learn from the picture
What should we do to save tigers
新课导入
THINK ABOUT IT
Where can you usually see a tiger
Do you think tigers need our help？Why or why not
新课讲解
“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 .
Save the Tigers group works to protect the tigers . 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.
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.
These tigers live in a zoo.
Learning Tip
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 .
Language point 1
At the beginning of the 20th century, the number of tigers in the wild was around 100 000.
at the beginning of… 在……之初
其后常接表示时间、事件或其他意义的名词， 其反义词组at the end of...意为“在……的结尾/ 末端”。
e.g. At the beginning of the class, the teacher gave out some
books to us.
开始上课时，老师给我们发了一些书。
e.g. We shall have an exam at the end of this month.
本月底我们将有一场考试。
Language point 2
Tigers are symbols of strength and courage.
symbol / s mbl/ n. 标志；象征
symbol常与of搭配，表示“………的标志/象征”。
e.g. Doves are symbols of peace.
鸽子是和平的象征。
courage / k r d / n. 勇气；胆量
它通常用作不可数名词。当它与动词have、lack 等连用时，其前常加定冠词the; 而与take、lose 连用时一般不加定冠词。
常用短语take courage to do sth.鼓起勇气做某事！
eg：Doves are symbols of peace. 鸽子是和平的象征。
Language point 3
It helps keep the number of other wild animals in balance.
keep...in balance 使……处于平衡状态；保持……的平衡
该短语的结构为：keep+宾语+ 宾语补足语（介词短语)，其中宾补还可以是名词、形容词或动名词等。
e.g. We should keep the nature in balance. 我们应该使自然保持平衡。
Language point 4
People have cut down a lot of trees as well.
cut的过去式和过去分词为cut，现在分词为cutting。
cut down 砍倒；减少
e.g. The apple tree was dead, so he cut it down.
那棵苹果树死了，所以他把它砍倒了。
Language point 5
as well ( 除某事或某人外) 还；也
辨析 as well, too, either和also
as well 用于肯定句，总是用在句末。as well 前不用逗号与句子的其他部分隔开 I am going to London and my sister is going as well.
我要去伦敦，我妹妹也要去。
as well 也；还 e.g. Are they coming as well 他们也来吗？
too 用于肯定句，常位于句末。too前有无逗号均可 I’m good at cooking, too.
我也擅长烹饪。
either 用于否定句，位于句末。 If you don’t go there, he won’t go there either.如果你不去那儿，他也不会去那儿。
also 用于肯定句，位于be 动词、情态动词或助动词之后，行为动词之前。 Mrs. Green can also sing the song in Chinese.格林夫人也能用汉语唱这首歌。
1
Read the lesson and match each paragraph with its main idea .
Save the Tigers
Paragraph 1( ) Paragraph 2( ) Paragraph 3( )
A．Tigers are in danger of going extinct .
B．“Save the Tigers” is a volunteer group that hopes to stop
the tigers from disappearing .
C．Tigers are important to the environment .
B
C
A
Read the lesson again and find some sentences to support the main idea of each paragraph .
Save the Tigers
Paragraph 1
“Save the tigers ” is a group of volunteers.
These volunteers hope to save the tigers of the world.
2
Paragraph 2
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.
In recent years，tigers have been in danger of disappearing.
As forests disappear，tigers lost their homes.
The number of tigers in the wild is quickly decreasing and we must do something about it.
Paragraph 3
Work in groups and discuss some ways we can protect animals . Write down your ideas .
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
一、词语运用
1．His parents were born in the 80's of the 20th c________.
2．Tigers are symbols of strength and c________．
3．We k________time by chatting with our friends on the Internet during the night.
4．He didn't tell us the r________ for being late.
5．The young woman is very b________. She is not afraid of anything.
entury
ourage
ill
eason
rave
当堂小练
二、单项选择
1．I like English. Tom likes it________．
A．either B．also C．as well as D．as well
2．Pandas are much loved around the world. Unluckily, there aren't
many pandas left and they're ________ now. So we must save them.
A．in order　 B．in danger　 C．in need
D
B
重点单词：reason , cut
重点短语：as well , at the beginning of… , drop to，cut down , as well
重点句子：Tigers are symbols of strength and courage.
It helps keep the number of other wild animals in balance.
课堂小结
感 谢 观 看