初中英语冀教版八年级下册Lesson 17 Save the Tigers教学课件ppt

这是一份初中英语冀教版八年级下册Lesson 17 Save the Tigers教学课件ppt，共15页。PPT课件主要包含了Lead- in，v 杀死，Para1，Para2，Para3，Reading，Grammar，entury，ourage，ill等内容，欢迎下载使用。

Let’s watch a vide:
But nw sme peple hunt and kill tigers fr mney.
They als have cut dwn（砍伐） a lt f trees as well（也）.
At the beginning f (在…之初) the 20th century, there are arund 100 000 tigers.
Nw the number f(…的数量) tigers has drpped t (下降到；跌至) a few thusand.
Listen t the tape and and tick the crrect answers.
1. “Save the tigers ” is . a grup f vlunteers B. a cmpany C. a z2. Tigers are symbls f . Friendship and peace B. strength and curage C. danger and balance3. The number f tigers in the wild is .A. nt changing B. increasing C. decreasing
Read the news again and match each paragraphy with the main idea(中心句).
A. Tigers are in danger f disappearing.
B. “Save the Tigers” is a vlunteer grup that hpes t stp the tigers frm disappearing
C. Tigers are imprtant t the envirnment.
Let’s D It!
Read the news carefully,then find sme sentences t supprt the main idea（支持中心句） f each paragraph(段落).
Tigers are in danger f disappearing.

Save the tigers is a grup f vlunteers.
These vlunteers hpe t save tigers.
But tday the number f tiges has drp qiuckly.
Tigers live in the frest f Asia.
The tiger is at the tp f the fd chain.
It helps keep the number f ther wild animals in balance.
Sme peple hunt and kill animals fr mney
Peple have cut dwn a lt trees as well.
As frest disappear, tigers lse their hme.
language pints:
1. At the beginning f the 20th century, the number f tigers in the wild was arund 100 000. 在二十世纪初期，野生老虎的数量大约是十万只。the number f意为“……的数量”，它的中心词是number，引导短语作主语时，谓语动词要用单数形式： The number f the students is ver 2000 in ur schl. a number f 表示“许多、大量的”，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。例如： The number f students in ur class is 50. The number f pages in this bk is 60. A number f students are planting trees n the hill.
3. Fr this reasn, tigers are imprtant t the envirnment. 因为这个原因，老虎对环境很重要。be imprtant t sb./sth. ……对……来说是重要的。 be imprtant fr sb./sth. 对于……来说做……是重要的。例如:Time is imprtant t me.It is imprtant fr yu t get there early.
4. In recent years, tigers have been in danger f disappearing. 在近几年，老虎处于濒临灭绝的危险中。in danger f意为“处于……危险之中”。例如Yu’re in danger f catching a cld.The sick man is in danger f death.The passengers are in danger! Let’s g and help!
as well 位于句首或句末，在局末尾时，不用逗号分开。用于肯 定句。t 位于句末，前面用逗号分开。用于肯定句。either 位于句尾，其前有无逗号均可。用于否定句。als 位于be动词和助动词之后，行为动词之前，用于肯定句。
Peple have cut dwn a lt f trees as well .表示“也”的短语和单词
Key phrases we learn tday:
1.在……之初2.下降到；跌至3.食物链4.保持平衡5.处于危险状态6.处于……危险中把……砍到，减少7.（出某事某人外）还，也
at the beginning f…drp tfd chainin balancein dangerin danger f cut dwnas well
1．His parents were brn in the 80's f the 20th c________.2．Tigers are symbls f strength and c________．3．We k________time by chatting with ur friends n the Internet during the night.4．He didn't tell us the r________ fr being late.5．The yung wman is very b________. She is nt afraid f anything.
根据句意及首字母提示完成单词
1. _____________ students is abut twenty. (……的数量)2. It’s ____________ yur health. (对……是重要的)3. The river is plluted and ___________ ging dry.(处于……危险中) 4. _________________ the party, he gave me a gift. (在……之初)5. The temperature has __________ belw zer. (下降到)6. It is at the bttm f the _________. (食物链)7. Yu knw, cmputers bring trubles _______. (也)
The number f
in danger f
Fill in the blanks.
At the beginning f
Prtecting wild animals is t prtect ur future！Try everything t make the earth a better hme fr all t live!