Unit 3 Animals Are Our Friends.Lesson 17 Save the Tigers.教学课件

课件21张PPT。English riddleswears big black glasses on its face?A mouse has a large pocket.PandaWhat animalWhich letter is an animal? B (Bee)Kangarooa cat
eyes like a cat
a tail like a cat
but
isn’t a catEnglish riddles:Unit 3: Animals Are Our FriendsLesson 17: Save the TigersTigerPeople animals for their , which
can be made into beautiful and expensive
fur coat.fur /f?:/ （兽类的）毛 a symbol of wealth(财富)?/‘s?mbl/ 象征;标志a symbol of courage?/‘k?r?d?/ 勇气；胆量full of courageHe is ./bre?v/ 勇敢的；无畏的 symbolcouragebrave/d?s?‘p??/ 消失；失踪 disappearkill/k?l/ 杀死 /k?l/ 杀死/f?:/ （兽类的）毛 For , people are fond of
this kind of coat. That’s the why the number of tigers is .centuriesreasondecreasingcentury /sent??r?/ 世纪 reason /riz?n/ 原因 decrease /d?‘kris/ 减少 New words:New phrases:in balance 保持平衡cut down 砍倒food chain 食物链in danger 处于危险之中drop to 下降到at the beginning of…
在……之初summaryNew wordsPhrasesin balance 保持平衡cut down 砍倒food chain 食物链in danger 处于危险之中drop to 下降到at the beginning of…
在……之初century 世纪fur （ 兽类的）毛 courage 勇气；胆量brave 勇敢的reason 原因disappear 消失kill 杀死decrease 减少symbol 标志；象征Read the lesson and match each paragraph with its main idea.Save the tigersParagraph 1Paragraph 2Paragraph 3A.Tigers are in danger of going extinct. B.C.“Save the Tigers” is a volunteer group that hopes to
stop the tigers from disappearing. Tigers are important to the environment. Language Points:1. At the beginning of the 20th century, the
in the wild around 100 000.tigerswasthe number of 意为“…….的数量”跟复数名词连用做主语，
谓语用单数。a number of表示“很多”修饰可数名词，谓语用复数。 the number
ofeg. 我们班的学生数量是50人。
The number of students in our class is 50.许多学生在小山上植树。
A number of students are planting trees on the hill.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,通
常指具体数字。
当hundred和thousand后面加s时，需要跟of修饰可数名词
复数，通常指大概数字。eg. 我们学校有三千学生。
There are three thousand students in our school.数千名学生在广场上。
Thousands of students are on the square.小试牛刀：The number of the apples____40.
A. is B. are C. be D. am2. A number of students ______playing.
A. be B. is C. am D. are3.There are two _____ students on the playground.
A. hundred of B. hundred
C. hundreds D. hundreds of
4. ____people were killed in the earthquake.
A. Two thousands B. Thousand of
C. Two thousands of D. Thousands of
大展身手：1. The number of sheep on the hill ___(be) 350.is2. Our school has eight ________ (hundred)
students. 3.There (be) a number of apples on the
tree.. hundredare精益求精： More than three hundreds people come
A C
to visit the Great Wall.
D2. The number of sheep are eating grass on the
B C D
hill.B AhundredAMain idea
??????Main ideaA little tryWhat is”save the tigers”?Why do they save tigers? Main idea:Save the tigers & Keep the living things in balance.Para 1Para 2Where do they live? Why are the tigers important? A group of
volunteers.The number of tigers has
dropped to a few thousand. They live in the
forests of Asia. It helps keep the wild
animals in balance.What did people do
to the tigers? Why tigers are in danger?Hunt and kill tigers
for money. People kill them and make
their home disappear.Para 3Fill some sentences to support the main ides of each paragraph. Save the tigersParagraph 1Paragraph 2Paragraph 3The number of tigers has
dropped to a few thousand. It helps keep the wild
animals in balance. People kill them and make their home disappear. Main idea
??????Main ideaA little try5 W + 1 HThe Biggest Rabbit in the World.Ann Dany Who ?______Where ?_____How old ? _____ What ?______Whose ? ______ Main idea:_________________ Why ? ____The biggest rabbit in the world.Dany / AnnA small town
in England12 months 12 carrots,
6 apples and
2 cabbages a dayAnn’s eats much and is lazyNo buying
No selling
No killing
Is there any homework today?Of course, please do the exercises on the paper.