初中冀教版Lesson 17 Save the Tigers教学ppt课件
展开1. T use the fllwing wrds and expressins crrectly: century, curage, brave, reasn, kill, cut, at the beginning f, drp t, fd chain, in balance, in danger, cut dwn, as well.2. T knw the urgency f prtecting tigers.
Learning Targets
centuryfursymblcuragebravechain
n. 世纪n. (兽类的)毛n. 标志;象征n. 勇气;胆量adj. 勇敢的;无畏的n. 链子;链条
Wrds and expressins
balancereasndisappearkillcutdecrease
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
Nw we are in the 21st century.我们现在处于21世纪。
The puppies haven't gt much fur yet.这些小狗还没长出多少毛。
The dve is the symbl f peace.鸽子是和平的象征。
If yu’re ready t face danger r pain, yu are brave.如果你准备好面对危险或痛苦了,你很勇敢。
The firefighters shwed great curage infirefighting. They are brave.火警在救火中展示了极大的勇气。他们很勇敢。
The shark is n the tp f the sea fd chain.鲨鱼处在海洋食物链的顶端。
If the stnes are nt in balance, they will fall.如果这些石头不平衡,它们就会掉落下来。
Yu didn’t g t the party. Can yu tell me the reasn?你没有去晚会。你能告诉我理由吗?
The rainbw is beautiful.
Nw we can’t see it. It disappeared.彩虹很漂亮。现在我们看不到了。它消失了。
The man is cutting dwn a tree.这个人正在砍树。
Be careful. Dn’t cut yur fingers.小心。不要切到手指。
We can cut the clth with scissrs.我们用剪刀剪布。
Ben thinks he is t fat. He hpes t decrease the amunt f fat he eats.本觉得他太胖了。他希望减少脂肪的摄入量。
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.
disappeared
Fill in the blanks with the new wrds and phrase.
6. The number f the tigers in the wild quickly these years.7. Alan Turing made the first cmputer in the last _________ .8. The _______ n the bear is dark brwn.9. The little girl wears a _____ f rses n her hair.
Let’s learn abut tigers .
There are six types f tigers currently .
The Malayan tiger(马来亚虎)
The Indchinese tiger (印支虎)
The Suth China tiger(华南虎)
The Sumatran tiger(苏门答腊虎)
The Siberian tiger(西伯利亚虎)
The Bengal tiger(孟加拉虎)
D yu think tigers need ur help ? Why r why nt ?
Where can yu usually see a tiger ?
Think abut it
Listen 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
Hw did the number f tigers changing?What is the reasn tigers are imprtant t the envirnment?Why d peple hunt and kill tigers?
Read the passage and answer the questins.
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.
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 tigers fr mney.
Tigers are in danger f ging extinct.“Save the Tigers” is a vlunteer grup that hpes t stp the tigers frm disappearing.C. Tigers are imprtant t the envirnment.
Read the lessn and match each paragraph with its main idea.
Let’s D It!
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.
Tigers are imprtant t the envirnment.
In recent years, tigers have been in danger f disappearing.
Firstly, I think we must stp killing the rare birds and animals, especially the yung nes. Secndly, we have t prtect the envirnment, t make the sky blue, t make the grass green, t give the animals a cmfrtable space t live. it's nt nly fr the animals but als urselves. Finally, we shuld tell mre and mre peple why and hw t prtect the animals, make everyne d this.
Wrk in grups and discuss sme ways we can prtect animals. Write dwn yur ideas.
1. At the beginning f the 20th century, the number f tigers in the wild was arund 100 000. a number f…意思是“一些,若干”(= sme),后接可数名词复数或代词,谓语动词用复数形式。还可以加入形容词表示数量大或小等(例如:a large/small number f…许多/少数……)。 例: There are a large number f mnkeys in the z . 动物园里有很多猴子。
Language pints
the number f…意思是“……的数字/数目”,介词f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 。例:The number f students is abut twenty. 学生的数目大约二十。 Many peple tk part in 10,000-metre race, but nly a number f them kept n running t the end .很多人参加了1万米赛跑,但是他们中只有一些人跑到了最后。
2. But tday that number has drpped t a few thusand. a few thusand表示“几千”。当hundred, thusand前面是基数词ne, tw, three…a few, many时,其后不加s。当hundred和thusand后面加s时,需要跟f修饰可数名词复数。例:There are three thusand students in ur schl.我们学校有三千名学生。Thusands f students are n the square.成千上万的学生在广场上。
3. Fr this reasn, tigers are imprtant t the envirnment. 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:Time is imprtant t me.时间对我来说很重要。It is imprtant fr yu t get there early.早点到那儿对你来说很重要。
4. In recent years, tigers have been in danger f disappearing. in danger (f)意为“处于(……)危险之中”。例:Yu’re in danger f catching a cld.你处于得感冒的危险中。The sick man is in danger f death.这个病人有死亡的危险。
5. As frests disappear, tigers lse their hmes. as在句中作连词,引导状语从句,意为“随着,当……的时候”。As the sun rse, the fg disappeared.随着太阳升起,雾消失了。As she left the rm, she remembered that bk.当她离开教室的时候,她想起了那本书。
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)
The number f
in danger f
4. ____ time went by, she became mre and mre beautiful. (随着) 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)
At the beginning f
1. We shuld learn t prtect the animals;2. We learnt sme useful wrds and expressins :century, curage, brave, reasn, kill, cut, at the beginning f…, drp t, fd chain...
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