人教版（2024）Section A完美版课件ppt

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1.学习本课新词汇：shark, fin, cruel, harmful, chain, ecsystem. industry, law, scientific, be harmful t, at the tp f, the fd chain掌握句型: But d yu realize that yu are killng a whle shark each time yu enjy a bwl f shark fin sup?If their numbers drp t lw，it will bring danger t all cean life.The numbers f sme kinds f sharks have fallen by ver 90 percent in the last 20 t 30 years.2. 通过fast reading阅读策略，能够正确选择文章大意和匹配段落大意，能正确说出段落中各句子之间的逻辑关系，；运用careful reaidng阅读策略，能够正确回答问题，填出“每年被捕捉和贸易的鲨鱼数量”等具体信息,说出鲨鱼濒临灭绝的原因。4.增强关爱动物，保护动物意识，呼吁人们保护鲨鱼。N trading, N Killing!
Learning bjeetives
Have yu ever seen a shark ?
What d yu think f the shark?
Peple are cutting ff shark’s fins.
shark [ʃeɪk] n. 鲨鱼
D yu think sharks can be endangered? Why ?
fin [fɪn] n.(鱼)鳍
cruel [ˈkruːəl] adj. 残酷的；残忍的
1.Are sharks endangered animals ?
2.What d yu knw abut sharks?
3.What d yu think might have caused a fall in the number f sharks?
Sharks is the fiercest animal in the cean.
Yes, they are.
I think the reasn is that peple catch sharks and cut ff their fins, then thrw them back t the cean.Withut a fin, a shark can n lnger swim and slwly dies.
Let’s watch a vide and answer the questins.
1.What truble d sharks get int?
They are caught by peple.
Their fins are cut ff.
They are thrwn back t sea.
They can’t swim anymre.They nly have t die.
2.What is the mst expensive part f a shark?
shake fin sup
3.What d yu think f finning?
It’s cruel.
Let's save the sharks!
What d yu knw mre abut the shakes?
Reading Tip：The title and the picture can help predict what the passage talks abut.
1.What des the passage talk abut?
It may talk abut the sharks are in endanger and they need us t save them.
3. D yu think sharks are endangered? Why?
Yes. Because I knw peple may kill them fr their fins and il. Als, the title tells us t save them.
Let’s lk, think and predict.
Read the passage quickly t match the general idea f each Para.
Para.1：Para. 2：Para.3：
Reading Tip： The first and last sentences f each paragraph may help yu.
Hw t save the sharks.
Sharks are endangered nw.
Talk abut shark fin sups.
Fast reading
Read paragragh 1 carefully andanswer the questins.
2.What d yu knw abut the shark fin sup?
1.Where is shark fin sup ppular?
In suthern China.
Famus, expensive and ppular.
3. What des it mean t enjy a bwl f shark's fin sup?
They’re killing a whle shark each time they enjy a bwl f shark fin sup.
Careful reading
1.Hw d peple deal with the sharks when they catch them?
They cut ff their fins and thrw them back int the cean.
2.What will happen if sharks dn't have their fins?
It can n lnger swim and slwly dies.
enjy a bwl f shark fin sup =
kill a whle shark
Read paragragh 2 carefully andanswer the questins.
3. Is the situatin f sharks gd nw ?
______ _____ ________sharks are caught and traded in this industry every year.
Arund 70 millin
The numbers f sme kinds f sharks have fallen by ver 90 percent in the past 20 t 30 years.
fall by ver 90 percent
the numbers f sharks drp
4. What will happen if the numbers f sharks drp t lw ?
It will bring danger t all cean life.
Because sharks are at the tp f the fd chain in the cean’s ecsystem.
Let’s watch a vide abut this passage.Then learn the language pints.
the number f “...的数量”,当其短语作主语,谓V.用第三人称单数形式, a number f “许多,大量” 当其短语作主语,谓V.用复数形式.
fall by “下降了”,表示变化的幅度,反义短语:increase by “增加了”; fall t “下降到”表示最终的结果,反义短语:increase t”增加到”
in the last/past +一段时间 “在过去的20--30年里”,常与现在完成时连用.
In the last ten years, great changes have taken place in my hmetwn.
1. What d peple d t the sharks?
Peple catch sharks, cut ff their fins and thrw the sharks back int the cean.
2. What are the tw pinins abut killing sharks?
①This is nt nly cruel, but als harmful t the envirnment.②Many believe that sharks cannever be endangered .
Cutting ff sharks’ fins and thrwing them int back the cean.
1. What des “this” refer t?
1. This is nt nly cruel,but als harmful t the envirnment.
Tw pinins abut killing sharks:
①Withut a fin, a shark can n lnger swim and slwly dies.
②Sharks are at the tp f the fd chain in the cean's ecsystern. If their numbers drp t lw, it will bring danger t all cean life.
the cean's ecsystem
the fd chain
2. Many believe that sharks can neverbe endangered.
(right r wrng?)
①But in fact, arund 70 millin… were caught and traded in this industry every year.
②The numbers …have fallen by ver 90 percent in the last 20 t 30 years.
What will happen accrding t the numbers?
Sharks will die ut.
What are the names f the tw Envirnmental prtectin grups ?2. What are they ding & what have they dne?3. Are the shark fins gd fr health？
The WildAid and the WWF.
They are teaching the public abut “finning”.They have evenasked gvernments t develp laws t stp the sale f shark fins.
N. Because n scientific studies have shwn that sharks are gd fr health.
Further thinking：What can we d t prtect sharks besides the ways mentined in Para. 3?
Read paragragh 3 carefully andanswer the questins.
Read the passage abut sharks and cmplete the fact sheet belw.
WildAid and the WWF
Develp laws t stp the sale f shark fins
Read 3a again and cmplete the fact sheet belw.
Read the passage again and fill in the blanks with the wrds in the bx.
1. Many peple d nt realize they are killing a whle shark _________ they enjy a bwl f shark fin sup.2. Sharks are at the tp f the fd chain, _______if their numbers drp, the cean’s ecsystem will be in danger.3. Many think that sharks are t strng t be endangered, _________they are wrng.4. _________there are n scientific studies t supprt this, a lt f peple believe that shark fins are gd fr health.5. Sharks may disappear ne day__________ we d nt d smething t stp the sale f shark fins.
Cmplete 3b.
Listen and repeat.
Sme peple like t eat shark’s fin sup, especially in _________ China. But getting the shark’s fin is very__________ .When peple catch sharks, they __________ ________ their fins and thrw the sharks back int the cean. The shark slwly dies because it can’t_________ withut a fin. And it is als __________t the envirnment. Sharks are at the _____f the fd chain. If the number f sharks drps t lw, it will break the balance (平衡）['bæləns]  f the nature. Please say n t eating shark fin sup,and take actins t save the sharks!
cut ff
Fill in the blanks accrding t the passage.
Save the sharks!
peple cut ff their fins and eat shark fin sup.
A shark can n lnger swim and slwly dies.
If sharks’ numbers drp t lw, It will bring danger t all cean life.
Retell the passage accrding t the pictures and the key wrds.
What can we d t save the sharks?
We can stp eating shark fin sup because “ n buying, n killing”.
We can make a speech, write an article r make sme psters(海报) t appeal(呼吁) t peple t save the sharks.
We can help create a cmfrtable envirnment withut pllutin fr the sharks.
1:Learn as much as yu can abut sharks.2:Dn't use shark prducts.3:Call n(号召) the peple arund yu t prtect the sharks.
Let’s have a discussin.
一、根据句意，用括号中所给词的适当形式填空。1. Hainan is in the ________ part f China.(suth)2. We all supprt his __________ research.(science)3. This is an _____________ animal.We shuld try t save it.(danger)4. Smking is ________ t yur health. Yu must give it up.(harm)5. Tm is _____________ in ur schl.(strng)
the strngest
Let’s have a class test.
二、根据汉语提示完成句子。1. 我们必须采取行动来阻止他们。 We must _____ ______ t stp them. 2. 我从没听说过这个人。 I have never ____ ____ such a man. 3. 我们乐意尽力帮你摆脱困境。 We are glad t d what we can d ___ ___ ___.4. 到目前为止，我已经交了二十个朋友。 ____ ____, I have made twenty friends. 5. 实际上，她从没去过那儿。 ____ ____, she has never been there.
In fact
take actin
There is a “ help save the sharks” vlunteer activity in ur schl t call n mre students t save the sharks.1. Make a nice pster(海报) t catch the students' eyes. 2. Give a shrt speech t call n peple with yur pster.