冀教版英语八年级下册 Unit 3 Lesson 17《Save the Tigers》课件(共20张) (1)
Tigers are important to the environment.
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.
Unit 3 Animals Are Our Friends
Save the Tigers
Lesson 17
Teaching aims:
1. Master the new words and the phrases: century fur symbol courage brave chain balance reason disappear kill cut decrease at the beginning of… drop to food chain in balance in danger cut down as well the number of… 2. 掌握描述及保护老虎的句式，能够流畅地复述全文。 3. 激发学生保护老虎，保护环境的热情。
4. ____ As time went by, she became more and more beautiful. (随着) At the beginning of the party, he gave 5. _________________ me a gift. (在……之初) dropped to below 6. The temperature has __________ zero. (下降到) 7. It is at the bottom of the food _________. chain (食 物链) 8. You know, computers bring troubles _______. as well (也)
3. Where do tigers live?
They live in the forests of Asia.
Байду номын сангаас
4. What do tigers look like?
They usually have orange fur and dark stripes.
5. Why have the tigers been in danger of disappearing ?
Some people hunt and kill tigers for money, And they have cut down a lot of trees as well. As forests disappear, tigers lose their homes.
Task 2 Read the lesson and match each paragraph with its main idea. 匹配,搭配
5 minutes
Listen
to the tape and correct your pronunciation. 2 times
up and read by yourselves.
Stand
Task 1 the questions. Read the lesson and answer
B
C
A
[ɪkˈstɪŋkt]灭绝的
Read the lesson again and find some sentences to support the main idea of each paragraph. Save the Tigers
Paragraph 1
Paragraph 2
Paragraph 3
Exercise:
1. _____________ The number of students is about twenty. (……的数量) important to your health. 2. It’s ____________ (对……是重要的) in danger of 3. The cat is sick and it is___________ dying (死亡). (处于....危险中)
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.
Paragraph2
Paragraph 1
“Save the Tigers” is a volunteer group that hopes to stop the tigers from disappearing.
“Save the tigers ” is a group of volunteers. These volunteers hope to save the tigers of the world.
Save the Tigers
Paragraph 1
Paragraph 2
Paragraph 3
• 1. At the beginning of the 20th century, the number of tigers in the wild was around 100，000. • 在二十世纪初期，野生老虎的数量大约是十万只。 • the number of意为“……的数量”，跟复数 名词连用作主语时，中心词是number，谓语动 词要用单数。 • a number of表示“许多”，相当于many，修 饰可数名词复数。作主语时，谓语动词用复数。 number前可用large，small等修饰，表示程度。
Homework
1. Review Lesson 17. 2. Write a short passage about how to protect animals.
Important phrases:
at the beginning of… 在……之初 drop to 下降到；跌至 food chain 食物链 in balance 保持平衡 in danger 处于危险状态 cut down 把……砍倒；减少 as well （除某事或某人外）还；也 the number of…… ……的数量
New words
Let`s play a game .
世纪 century 标志 , 象征 fur decrease symbol courage 消失 杀死 chain balance 勇敢的 reason 砍 ,切,割
Very good, you are the best.
Read
the text and learn about the meaning of it.
Retell the passage
Save the Tigers” is a volunteer group that hopes to stop the tigers from disappearing.
Tigers are important to the environment. Tigers are in danger of going extinct.
Paragraph3
Tigers are in danger of going extinct.
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.
2. In recent years, tigers have been in danger of disappearing. • 在近几年，老虎处于濒临灭绝的危险中。 • in danger (of)意为“处于（……）危险之中”。 3. As forests disappear, tigers lose their homes. • 随着森林的消失，老虎失去了它们的家园。 • as在句中作连词，引导状语从句，意为“随着， 当……的时候”。
1. How many tigers were there at the beginning of the 20th century?
Around 100 000.
2. How many tigers are there in the wild today?
The number has dropped to a few thousand.
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冀教版八年级英语下册Lesson 17 Save the Tigers精品课件
the number of…意思是“……的数字/数目”，介词of同其后名 词构成介词短语，修饰the number.当它作主语时，谓语动词用 单数
The number of students is about twenty. A number of students are in the zoo .
Because the tiger is at the top of the food chain . It keeps the number of other wild animals in balance .
5. How do we protect tigers ?
Don’t hunt and kill tigers for money . We should plant more trees .
people took part in 10,000-metre race, but only a number of them kept on running to the end
2. at the top of 在物体内部的上面
on the top of 在物体外部的上面
There are a lot of sheep __o_n__ the top of the hill . There is a picture _a_t____ the top of the book .
Save the pandas
1. Why do you like pandas ? 2. What is happening to them ? 3. How to protect them ? Zx。xk
Lesson 17 : Save thps
1. Where can you usually see a tiger ?
The number of students is about twenty. A number of students are in the zoo .
Because the tiger is at the top of the food chain . It keeps the number of other wild animals in balance .
5. How do we protect tigers ?
Don’t hunt and kill tigers for money . We should plant more trees .
people took part in 10,000-metre race, but only a number of them kept on running to the end
2. at the top of 在物体内部的上面
on the top of 在物体外部的上面
There are a lot of sheep __o_n__ the top of the hill . There is a picture _a_t____ the top of the book .
Save the pandas
1. Why do you like pandas ? 2. What is happening to them ? 3. How to protect them ? Zx。xk
Lesson 17 : Save thps
1. Where can you usually see a tiger ?
冀教版初中英语八年级下册Unit 3 Lesson 17PPT课件
C. danger and balance 3. The number of tigers in the wild is C .
A. not changing B. increasing C. decreasing
Read the passage and answer the questions.
1._T_h_e__n_u_m__b_e_r_o_f____ teachers in this school are about 100 .
2.We usually sing a song _a_t_t_h_e__b_e_g_in_n_i_n_g_o_f___ class .
3. What is __a_t_t_h_e_t_o_p_o_f__ the food chain .
to stop the tigers from disappearing. C. Tigers are important to the environment.
2 Read the lesson again and find some sentences to support the main idea of each paragraph.
The last, we should tell more and more people why and how to protect the animals, make everyone do this.
Exercises Fill in the blanks.
drop to , the number , at the beginning of
tiger(苏门答腊虎)
The Siberian tiger(西伯利亚虎 )
The Bengal tiger(孟加拉虎 )
A. not changing B. increasing C. decreasing
Read the passage and answer the questions.
1._T_h_e__n_u_m__b_e_r_o_f____ teachers in this school are about 100 .
2.We usually sing a song _a_t_t_h_e__b_e_g_in_n_i_n_g_o_f___ class .
3. What is __a_t_t_h_e_t_o_p_o_f__ the food chain .
to stop the tigers from disappearing. C. Tigers are important to the environment.
2 Read the lesson again and find some sentences to support the main idea of each paragraph.
The last, we should tell more and more people why and how to protect the animals, make everyone do this.
Exercises Fill in the blanks.
drop to , the number , at the beginning of
tiger(苏门答腊虎)
The Siberian tiger(西伯利亚虎 )
The Bengal tiger(孟加拉虎 )
八年级英语下册Unit3AnimalsAreOurFriendsLesson17SavetheTigers课件新版冀教版
消失的危险了。 In recent years, tigers _h_a_v_e_ _b_e_e_n_ _in_ _d_a_n_g_e_r_ _o_f disappearing.
Ⅲ. Read the dialogue and answer the questions 1. How many tigers are there in the wild today? _T_h_e_n__u_m_b_e_r__h_a_s_d_r_o_p_p_e_d__to__a_f_e_w__t_h_o_u_s_a_n_d_. 2. What is the reason tigers are important to the environment? _T_h_e_t_i_g_er__is__a_t _th__e_t_o_p_o_f_t_h_e__fo_o_d__c_h_a_in__. _It_h__el_p_s_k__ee_p_ _t_h_e_n_u_m__b_e_r_o_f_o_t_h_e_r_w__il_d__a_n_im__a_l_s _in__b_a_l_a_n_c_e_.
11. 使……变小; 减少 12. 下降到 13. 还; 也
v. _d_e_c_r_e_a_se_ _d_r_o_p_t_o_ _a_s _w_e_l_l
Ⅱ. 根据汉语提示完成下列句子 1. 在二十世纪初期, 野生老虎的数量大约是十万。 _A_t_ _th_e_ _b_e_g_in_n__in_g_ _o_fthe 20th century, _t_h_e _n_u_m__b_e_r _o_f tigers in the wild was around 100 000. 2. 老虎在食物链的顶端。 The tiger is _a_t _th__e _to_p_ _o_fthe _fo_o_d_ _c_h_a_in_.
Ⅲ. Read the dialogue and answer the questions 1. How many tigers are there in the wild today? _T_h_e_n__u_m_b_e_r__h_a_s_d_r_o_p_p_e_d__to__a_f_e_w__t_h_o_u_s_a_n_d_. 2. What is the reason tigers are important to the environment? _T_h_e_t_i_g_er__is__a_t _th__e_t_o_p_o_f_t_h_e__fo_o_d__c_h_a_in__. _It_h__el_p_s_k__ee_p_ _t_h_e_n_u_m__b_e_r_o_f_o_t_h_e_r_w__il_d__a_n_im__a_l_s _in__b_a_l_a_n_c_e_.
11. 使……变小; 减少 12. 下降到 13. 还; 也
v. _d_e_c_r_e_a_se_ _d_r_o_p_t_o_ _a_s _w_e_l_l
Ⅱ. 根据汉语提示完成下列句子 1. 在二十世纪初期, 野生老虎的数量大约是十万。 _A_t_ _th_e_ _b_e_g_in_n__in_g_ _o_fthe 20th century, _t_h_e _n_u_m__b_e_r _o_f tigers in the wild was around 100 000. 2. 老虎在食物链的顶端。 The tiger is _a_t _th__e _to_p_ _o_fthe _fo_o_d_ _c_h_a_in_.
八年级英语下册 Unit 3 Animals Are Our Friends lesson 17 Save the Tigers课件 (新版)冀教版
Listen and tick the correct answers.
1. “Save the tigers ” is A . A.a group of volunteers B. a company C. a zoo 2. Tigers are symbols of B . A.Friendship and peace B. strength and courage C. danger and balance 3. The number of tigers in the wild is C . A. not changing B. increasing C. decreasing
The shark is at the top of the sea food chain.
If the stones are not in balance, they will fall.
The man is cutting a tree.
Be careful. Don’t cut your fingers.
Why or why not?
Practice with the new words
century fur symbol brave courage chain balance reason disappear cut decrease
1. We cut paper with scissors. 2. I’d like to know the reason why you love your pet dog so much. 3. The plane flew higher and higher till it disappeared in the sky. 4. The tiger is the symbol of courage . 5. The brave man jumped into the cold river and save the boy. 6. The number of the tigers in the wild quickly decreases these years. 7. Alan Turing made the first computer in the last century . fur on the bear is dark brown. 8. The ___ chain of roses on her hair. 9. The little girl wears a _____
Lesson17+Save+the+Tigers+课件+2022-2023学年冀教版英语八年级下册
at the beginning of drop to be symbols of keep…… in balance at the top of for this reason be important to… in recent years in danger of cut down trees as well
Exercise
1. As we know, the dove(鸽子) is a s_y_m__b_o_l_of peace. 2. I didn’t have the_c_o_u_r_a_g_e_(勇气) to tell my mother that I lied to her. 3. It’s really b _ra_v_e_____ of you to enter the burning house to save the baby. 4. The snow will soon_d_is_a_p_p_e_a_r_(消失) when it becomes warm. 5. Could you tell me the _r_e_a_s_o_n__ (原因) for your long silence?
about it.
Wildlife is our friends. They can keep the balance of nature and make the whole world colorful. To protect wildlife is to protect ourselves.
Possible answers: Knowledge about tigers.
Why do we need to save the tigers? How do we save the tigerand match each paragraph with its main idea.
新冀教版八年级英语下册Lesson 17 Save the Tigers精品课件
the number of…意思是“……的数字/数目”，介词of同其后名 词构成介词短语，修饰the number.当它作主语时，谓语动词用 单数 The number of students is about twenty. A number of students are in the zoo . people took part in 10,000-metre race, but only a number of them kept on running to the end
Lesson 17 : Save the Tigers
冀教版八年级下册
Discuss in groups 1. Where can you usually see a tiger ?
In the zoo; in the forest .
1. Do you think tigers need our help ? Why or why not ?
point .
Exercises（ 填空）
brave 1.How ________the tigers are ! （勇敢） disappearing .(消失） 2.This kind of animal is in danger of ____________ killing （杀）the animals . 3. We must stop people from ________
3. as well常用作状语，作“又；也”解，相当于too 或also，常位于句末，无须用逗号与句子分开。如：
I am going to London and my sister is going as well （＝going，too）. I not only play the guitar，I sing as well. （＝I also sing ）.
Lesson 17 : Save the Tigers
冀教版八年级下册
Discuss in groups 1. Where can you usually see a tiger ?
In the zoo; in the forest .
1. Do you think tigers need our help ? Why or why not ?
point .
Exercises（ 填空）
brave 1.How ________the tigers are ! （勇敢） disappearing .(消失） 2.This kind of animal is in danger of ____________ killing （杀）the animals . 3. We must stop people from ________
3. as well常用作状语，作“又；也”解，相当于too 或also，常位于句末，无须用逗号与句子分开。如：
I am going to London and my sister is going as well （＝going，too）. I not only play the guitar，I sing as well. （＝I also sing ）.
2019年春八年级英语下册Unit3AnimalsAreOurFriendsLesson17SavetheTigers课件(新版)冀教版
保持平衡
也； 还
5.as well ____________
Lesson 17 Save the Tigers
in danger 6.处于危险状态____________
短语
cut down 7．把……砍倒；减少 ____________ symbols of… 8．……的象征 ____________
Lesson 17 Save the Tigers
词条
含义及用法 意为“……的数量”，相当于
例句 The number of the students in the room is
the number the total of，后接可数名词
of 的复数形式，作主语时，谓 语动词用单数形式。
20.房间里学生
语动词用单数形式。故选A。
互译
the number of… 9．……的数量 ____________
10．在……顶端 ____________
at the top of…
Lesson 17 Save the Tigers
1.在20世纪初期，野生老虎的数量大约是100000。
the number 句 At the beginning of the 20th century, ________ ________ of 型 ________ tigers in the wild was around 100，000.
在
2.近几年来，老虎濒临灭绝。
In recent years in 线 ________ ________ ________ ， tigers have been________
________ disappearing. danger ________ of
也； 还
5.as well ____________
Lesson 17 Save the Tigers
in danger 6.处于危险状态____________
短语
cut down 7．把……砍倒；减少 ____________ symbols of… 8．……的象征 ____________
Lesson 17 Save the Tigers
词条
含义及用法 意为“……的数量”，相当于
例句 The number of the students in the room is
the number the total of，后接可数名词
of 的复数形式，作主语时，谓 语动词用单数形式。
20.房间里学生
语动词用单数形式。故选A。
互译
the number of… 9．……的数量 ____________
10．在……顶端 ____________
at the top of…
Lesson 17 Save the Tigers
1.在20世纪初期，野生老虎的数量大约是100000。
the number 句 At the beginning of the 20th century, ________ ________ of 型 ________ tigers in the wild was around 100，000.
在
2.近几年来，老虎濒临灭绝。
In recent years in 线 ________ ________ ________ ， tigers have been________
________ disappearing. danger ________ of
2022年冀教版八下U3 L17 Save the Tigers课件
Read the lesson and answer the questions.
1. How many tigers were there at the beginning of the 20th century? Around 100 000.
2. How many tigers are there in the wild today? The number has dropped to a few thousand.
There is a tower on top of that high mountain. 那座高山顶上有座塔。
7. What does “at the top of the food chain〞 mean? Tigers are the king of all the wild animals. 8. What is the reason tigers are important to the environment? Because tigers help keep the number of other wild animals in balance. 9. Why do people hunt and kill tigers? They are for money.
3. Where do tigers live? They live in the forests of Asia.
4. What do tigers look like? They usually have orange fur and dark stripes. 5. What do tigers symbolize? They are symbols of strength and courage. 6. How are tigers described in many stories? They are brave.
冀教版八年级下册英语精品教学课件 unit 3 Animals Are Our Lesson 17
A. not changing
B. increasing C. decreasing
06 text
Read the passage and answer the questions. 1. How did the number of tigers changing?
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.
n. 世纪furn来自 （兽类的）毛symbol
n. 标志；象征
courage
n. 勇气；胆量
brave
adj. 勇敢的；无畏的
chain
n. 链子；链条
03 Words and expressions
balance reason disappear kill cut decrease
n. 平衡；平稳 n. 原因；动机；理由 v. 消失；失踪 v. 杀死 v. 砍；切；剪；割 v. 使……变小；减少
In recent years, tigers have been in danger of disappearing.
08 Let's Do It!
3 Work in groups and discuss some ways we can protect Write animals. down your ideas.
07 Language points
2. But today that number has dropped to a few thousand. a few thousand表示“几千”。当hundred, thousand前面是基 数词one, two, three…a few, many时，其后不加s。当hundred和 thousand后面加s时，需要跟of修饰可数名词复数。例： There are three thousand students in our school. 我们学校有三千名学生。 Thousands of students are on the square. 成千上万的学生在广场上。
冀教版八年级下Lesson_17_Save_the_Tigers课件
There are currently six types of tigers: ['kʌrəntlɪ]
孟加拉虎 [beŋ'ɡɔ:l] the Bengal tiger
西伯利亚虎 [sai'biəriən] the Siberian tiger
苏门答腊虎
马来亚虎
[su'mɑ:trən] the Sumatran tiger
在……之初 下降到；跌至 食物链 保持平衡 处于危险状态 把……砍到，减少 （除某事或某人外） 还，也
Time for reflection
• The number of -------的数量
• A number of • In danger of 大量的 ，许多的 处于---------危险状态
Words and expressions balance reason disappear kill cut decrease n. 平衡，平稳 n. 原因，动机，理由 v. 消失，失踪 v. 杀死 v. 砍，切，剪，割 v. 使……变小；减少
at the beginning of…, drop to, food chain, in balance, in danger, cut down, as well
4. ____ As time went by, she became more and more beautiful. (随着) At the beginning of the party, he gave 5. _________________ me a gift. (在……之初) dropped to below 6. The temperature has __________ zero. (下降到) 7. It is at the bottom of the food _________. chain (食 物链) 8. You know, computers bring troubles _______. as well (也)