冀教版（2024）八年级下册Lesson 17 Save the Tigers完美版课件ppt

这是一份冀教版（2024）八年级下册Lesson 17 Save the Tigers完美版课件ppt，共41页。PPT课件主要包含了Guess Game，New words，century，100 years，dove，chain，food chain，balance等内容，欢迎下载使用。
It usually has range fur（毛） and dark stripes（条纹）.It is the king in the animal wrld.
What animal is it?
Hw many types f tigers d yu knw?
There are currently six types f tigers: the Bengal tiger, the Siberian tiger, the Sumatran tiger, the Malayan tiger, the Indchinese tiger and the Suth China tiger.
the Bengal tiger(孟加拉虎)
the Siberian tiger（西伯利亚虎）
the Sumatran tiger（苏门答腊虎）
the Malayan tiger （马来亚虎）
the Indchinese tiger（印度支那虎）
the Suth China tiger（华南虎）
Where can yu usually see a tiger?
D yu think tigers need ur help? Why r why nt?
Nw we are in the 21st century.
fur（兽类的）毛
The tiger’s fur is verybeautiful.
The is the symbl f peace.
brave勇敢的，无畏的
The firemen shwed great curage in firefighting. They are brave.
curage勇气，胆量
The shark is at the tp f the sea fd chain.
If the stnes are nt in balance, they will fall.
Yu didn’t g t the party. Culd yu tell me the reasn?
The rainbw is beautiful.
Nw we can’t see it. It disappeared.
disappear消失，失踪
The tiger wants t kill the cw.
He is cutting fruit.
Peple shuld decrease the amunt f fat they eat. 
decrease减小，使……变小
Read alud the new wrds.
century fur symbl brave curage chain balance reasn disappear cut decrease
We paper with scissrs.I’d like t knw the why yu lve yur pet dg s much.The plane flew higher and higher till it in the sky.The tiger is the symbl f .The man jumped int the cld river and save the by. The number f the tigers in the wild quickly these years.Our life has becme better in the 21st ______.The ___ n the bear is dark brwn.The little girl wears a gld _____ arund her wrist(手腕).
disappeared
Practice with the new wrds
Read the lessn and match each paragraph with its main idea.
Read the lessn again and find sme sentences t supprt the main idea f each paragraph.
“Save the tigers”is a grup f vlunteers. These vlunteers hpe t save the tigers f the wrld. At the beginning f the 20th century, the number f tigers in the wild was arund 100 000. But tday that number has drpped t a few thusand.
“Save the Tigers” is a vlunteer grup that hpes t stp the tigers frm disappearing.
Tigers are imprtant t the envirnment.
Tigers live in the frests f Asia. They usually have range fur and dark stripes. Tigers are symbls f strength and curage. In many stries, they are brave. The tiger is at the tp f the fd chain. It helps keep the number f ther wild animals in balance. Fr this reasn, tigers are imprtant t the envirnment.
Tigers are in danger f ging extinct.
In recent years, tigers have been in danger f disappearing. Sme peple hunt and kill tigers fr mney. Peple have cut dwn a lt f trees as well. As frests disappear, tigers lse their hmes. The number f tigers in the wild is quickly decreasing and we must d smething abut it.
Hw many tigers were there at the beginning f the 20th century?2. Where d tigers live?3. What d tigers symblize?
Arund 100 000.
They live in the frests f Asia.
They are symbls f strength and curage.
Read the lessn and answer the questins.
4. What is the reasn tigers are imprtant t the envirnment?5. Why d peple hunt and kill tigers?6. Aside frm their being hunted and killed, what is anther reasn tigers are disappearing?
Peple have cut dwn a lt f trees as well. As frests disappear, tigers lse the hmes.
They are fr mney.
Because tigers help keep the number f ther wild animals in balance.
at the beginning f __________________ the number f … __________________drp t _________________be symbl f the tp f… _________________fd chain __________________in balance __________________in danger _________________cut dwn __________________as well __________________
（除某事某人外）还，也
Read, find and translate
Wrk in grups and discuss sme ways we can prtect animals. Write dwn yur ideas.
At the beginning f the 20th century, the number f tigers in the wild was arund 100 000.在20世纪初，野生老虎的数量大约是10万只。 辨析: the number f与a number f (1)the number f意为“……的数量”, 后接可数名词复数,但中心词是 number, 所以若作主语，则谓语动词要用单数。 (2)a number f意为“许多; 大量”, 相当于a lt f或lts f, 中心词是该短语 所 修饰的可数名词复数, 所以作主语时, 谓语动词用复数形式。
Language pints
The number f students in ur schl is abut 2 000. 在我们学校，学生的数量是大约2000人。A number f students like playing basketball after schl. 放学后许多学生喜欢打篮球。
2. It helps keep the number f ther wild animals in balance. 它帮助保持其他野生动物的数量平衡。 balance在句中用作名词, 意为“平衡; 均衡”, 常用短语有： in balance 保持平衡 be ut f balance 不平衡 keep/lse ne’s balance 保持/失去平衡 The by keeps the see-saw in balance. 这个男孩让跷跷板保持平衡。 Yu must learn t keep yur balance in skating. 在滑冰时你必须学会保持平衡。 I lst my balance and fell. 我身体失去平衡，摔了一跤。
3. In recent years, tigers have been in danger f disappearing. 近年来, 老虎已经面临消失的危险。 in danger f 意为“处于……危险之中”。 Yu’re in danger f catching a cld. 你有感冒的危险 The sick man is in danger f death. 那个病人有死亡的风险。 The passengers are in danger! Let’s g and help! 旅客们处于危险之中，咱们去帮忙！
根据汉语提示完成句子。
1. _________________ students is abut twenty. (……的数量)2. It’s _______________ yur health. (对……是重要的)3. The wild animals are ___________nw. Let’s prtect them. （处于危险中）4.They ______________ a tree t make furniture. （砍倒）5. ____________________ the party, he gave me a gift. (在……之初)6. The temperature has _____________ belw zer. (下降到)7. It is at the bttm f the ______________. (食物链)8. Yu knw, cmputers bring trubles _________. (也)
The number f
At the beginning f
Recite the new wrds and expressins.2. Preview Lessn 18.