2020-2021学年人教新目标九年级下册英语课件 Unit 13 Section A（3a-3b）

1、九年级（下）Goforit!英语教学课件九年级英语下（RJ） 教学课件Section A (3a-3b)Unit 13 Were trying to save the earth!学习目标 Key words & phrases: shark,fin,cruel,harmful,be harmful to,at the top of,chain,the food chain,ecosystem,industry,law,scientific Key sentences: 1.But do you realize that you are killng a whole shark each ti

2、me you enjoy a bowl of shark fin soup? 2. But in fact ,around 70 million sharks are caught and traded in this industry every year.The shark! Today!Lead inshark/:(r)k / n. 鲨鱼fins/fInz/ n.（鱼）鳍new words & expressionschain ten n. 链子；链条 cruel kru:l adj. 残酷的；残忍的 the food chain ten 食物链at the top of 在顶部或顶端a

3、t the top of the food chainecosystem i:ksstmn. 生态系统WildAid walded 野生救援协会（美国）WWF (World Wide Fund for Nature) 世界自然基金会industry ndstri n. 工业；行业science sans n. 科学scientific santfk adj. 科学的；科学上的scientific studies 科学研究harmful h:(r)mfl adj. 有害的be harmful to 对有害e.g. Smoking is harmful to our health.Free tal

4、kWhat do you know about sharks?Do you know they are endangered?Have you ever heard about shark fin soup?What happens to the shark?Pre-readingthe shark is caught (catch) by people.First,the fins are cut (cut) off by people.Next,切除the shark fins are cooked (cook) into the shark fin soup by people.鱼翅羹T

5、hen,the shark without fins is thrown (throw) back into the ocean by people.扔回到.Finally,What will happen to the shark?What should we do? ? ? ?Problem FactsSolutionSkimming and matchingWhile-reading the titlekey wordshowfactskey wordssolutionRead Para 1 and make T for true or F for false.FT( )1. Shark

6、 fin soup is famous and expensive all around the world.( ) 2. Youre killing a whole shark when you enjoy a bowl of shark fin soup. in southern China. = each time=While-readingScanning and answeringpara.1Find out the topic sentence in this paragraph.para.2Scanning and findingWhile-readingThis is not

7、only cruel, but also harmful to the environment.factpara.2Scanning and findingWhile-readingWhen people catch sharks, they cut off theirfins and throw the sharks back into the ocean.factWhats the fact?This is not only cruel, but also harmful to the environment.para.2cruelharmfulWhy is it cruel ?When

8、people catch sharks, they cut off theirfins and throw the sharks back into the ocean.Without a fin, a shark can no longer swim and slowly dies.Why is it harmful to the environment ?1.Sharks are at the top of the food chain in the oceans ecosystem.2.If their numbers drop too low, it will bring danger

9、 to all ocean life.factThis is not only cruel, but also harmful to the environment.para.2Sharks can never be endangered. ( ) FRead Para 2 again and make T for true or F for false: para.2in fact2. The numbers of some kinds of sharks have fallen (fall) by over 90 percent in the last 20 to 30 years.1.

10、Around 70 million sharks are caught (catch)and traded (trade) in this industry every year. Sharks can never be endangered. ( ) FWhencatch, cut off, throwback intoWithout,no longer 2. If, bring danger to1. at the top of the food chain1. 70: are caught & traded2. 90: The numbers of, have fallen,in the

11、 last 20 to 30 yearsnot only cruel, but also harmful Fact2 different opinionsMany believenever be endangered.Scanning and mind-mappingWhen people catch sharks, they cut off theirfins and throw the sharks back into the ocean.cruelWithout a fin, a shark can no longer swim and slowly dies.harmful1. Sha

12、rks are at the top of the food chain in the oceans ecosystem.2. If their numbers drop too low, it will bring danger to all ocean life.2. The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.1. Around 70 million sharks are caught and traded in this industry ev

13、ery year. fact two different opinionsendangered&1. What are the names of the two environmental protection groups?1). They are teaching the public about “finning”.2). They have even asked governments to develop laws to stop the sale of shark fins. 2. What are they doing to protect the sharks? & What

14、have they done to protect the sharks?para. 3Some people like to eat sharks fin soup, especially in _ China. In fact, no scientific studies have shown that shark fins are _ for health. But getting the sharks fin isvery_ . When people _ sharks, they cut off their fins and _ the sharks back into the oc

15、ean. southerncruelFill in the blanks according to the passage.catchthrowgoodPost-readingThe shark slowly _ because it cant _ without a fin. And it is also _ to the environment. Sharks are at the _ of the food chain. If the number of sharks _ too low, it will break the balance of the nature. Please s

16、ay no to eating shark fin soup, and take actions to _ the sharks!diesswimharmfultopdropssaveRead the passage about sharks and complete the fact sheet below.3aWhere shark fin soup is popularNumber of sharks caught and traded every yearHow much the numbers of some kinds of sharks have fallen in the la

17、st 20 to 30 yearsTwo environmental groups against finningin southern China70 millionover 90 percentWildAid and the WWF1. Many people do not realize they are killing a whole shark _ they enjoy a bowl of shark fin soup.2. Sharks are at the top of the food chain, _if their numbers drop, the oceans ecos

18、ystem will be in danger.Read the passage again and fill in the blanks with the words in the box. sowhen3bso although if but when Many think that sharks are too strong to be endangered, _ they are wrong. _ there are no scientific studies to support this, a lot of people believe that shark fins are good for health. 5. Sharks ma