人教新目标九年级英语全册Unit13-Section-A-3a-3b课件.pptx--（课件中不含音视频）

1、Unit13 Were trying to save the Unit13 Were trying to save the earth!Section A 3a-3bearth!Section A 3a-3b1Can you share something about how to protect our environment?Problem:air pollution,waste pollution.Solutions:recycle books and paper,stop driving cars.2We should take the bus or subway instead of

2、 driving.Yes,or ride a bike.Its also good for our health.For the waste pollution,I never use wooden chopsticks in restaurant.And throw rubbish in the bins.3 Pre-reading4adj.濒危的鲨鱼5A.The shark fin soup is famous and expensive.B.The numbers of the sharks havefallen very fast.C.The sharks are endangered

3、 in the world.6 While-reading7Paragraph 1 help save the sharksParagraph 2 the sharks are endangeredParagraph3 the shark fin soupRead the passage quickly.Then match each paragraph with the main idea.8Where shark fin soup is popularNumber of sharks caughtand traded every yearHow government can helpTwo

4、 environmental groups against“finning”(鱼)鳍Read the passage about sharks and complete the fact sheet below.91.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 ecosystem will be

5、in danger.whenRead the passage again and fill in the blanks with the words in the box.so although if but whenso在的顶端食物链生态系统103.Many think that sharks are too strong to be endangered,_they are wrong.4._ there are no scientific studies to support this,a lot of people believe that shark fins are good fo

6、r health.5.Sharks may disappear one day _ we do not do something to stop the sale of shark fins.butAlthoughifadj.科学的11 Some people like to eat sharks fin soup,especially in_China.But getting the sharks fin is very_.When people catch sharks,they_ _their fins and throw the sharks back into the ocean.T

7、he shark slowly dies because it cant_without the fin.And it is also_to environment.Shark are at the_of the food chain.If the_of sharks drops too low,it will break the balance of nature.Please say no to eating the shark fin soup,and take action to save the sharks!southerncruelcut offswimharmfultopnum

8、bers采取行动Fill in the blanks.12Post-reading13No shark fin,fish every year!Save the animals!Save ourselves!Save the earth!14Because of Novel coronavirus,we Chinese have had a special Spring Festival.Nobody wants to get the disease,but how should we prevent NCP and protect ourselves?15There is no doubt

9、that hunting wild animals has a bad influence.For one thing,it causes the imbalance of our ecosystem.For another,it leads to the spread of infectious diseases from animals to us human beings,such as SARS and Novel coronavirus.We should never have wild animals for food.16观察观察1 When people catch shark

10、s,they cut off their fins and throw the sharks back into the ocean.探究探究 cut off 切掉；切断 The electricity has been cut off again.又停电了。17观察观察2 This is not only cruel,but also harmful to the environment.探究探究 1.cruel adj.残酷的；残忍的 we shouldnt be cruel to the animals.我们不应该虐待动物。2.be harmful to.对.有害，其同义短语be bad

11、 for.The air pollution is harmful to our health.空气污染不利于身体健康。18观察观察3 Without a fin,a shark can no longer swim and slowly dies.探究探究 no longer 不再；强调时间和动作不再持续相当于not.any longerShe no longer lives here.=She doesnt live here any longer.她不再住在这儿了。19观察观察4 But in fact,around 70 million sharks are caught and tr

12、aded in this industry every year.探究探究 1.in fact事实上；实际上In fact,the word salary comes from the word salt.事实上，薪水这个词来自于盐这个词。2.Industry n.工业；行业。既可以做可数名词也可以做不可数名词，heavy/light industry重、轻工业We need to develop local industries.我们需要发展地方工业。20观察观察5 The numbers of some kinds of sharks have fallen by over 90 perc

13、ent in the last 20 to 30 years.探究探究 the numbers of.的数量；是the number of 的复数形式。此处，numbers 表示不同种类鲨鱼的数量。The numbers of different kinds of trees are growing quickly.不同种类的树的数量正在快速增长。21the number of.的数量的数量a number of一些；若干一些；若干+可数名词复数做可数名词复数做主语时，谓语动词主语时，谓语动词用单数用单数辨析辨析 the number of 与a number of+可数名词复数做可数名词复数

14、做主语时，谓语动词主语时，谓语动词用复数用复数22观察观察6 They have even asked governments to develop laws to stop the sale of shark fins.探究探究 law n.法律；法规。lawyer n.律师 obey the law遵守法律 break the law违法He is a lawyer and he always tell us that everyone shouldobey the law.他是一名律师并且总是告诉我们要遵守法律。23观察观察7 So far,no scientific studies h

15、ave shown that shark fins are good for health,so why eat them?探究探究 so far 到目前为止；迄今为止。常用于现在完成时I wasnt too happy with what Id written so far.我对于目前已写完的这些并不太满意。241.They _their fins when people catch sharks.(切掉）2.Mr.Li is _ a music lover.(不再）3.He was standing _the stairs.(在.顶端）4._,he doesnt like English.

16、(实际上）5.Now,this kind of car _20 percent.(下降了）根据汉语意思完成下面的句子根据汉语意思完成下面的句子cut offno longerat the top ofIn factfalls by25 1.Why not ask Bob to join us in the trip to the zoo tomorrow?Everyone in our group loves animals,but he always seems _.A.anxious B.personal C.cruel D.careless 2.Greenhouse gases are_

17、to the environment.A.good B.better C.harm D.harmfulCD26 3.A number of visitors _visiting the West Lake and the number of the visitors_ increasing.A.are;is B.is;are C.are;are D.is;is 4.The writer is so popular that he _more than 200,000 books so far.A.sell B.sold C.has sold D.have soldAC271.Pollution

18、 is _(harm)to all the life on earth.2.The environment is getting worse.We should stop_(cut down)trees at will(随意）.3.The number of the students in our school _(be)two hundred.4.So far,no _(科学的）studies have shown that shark fins are good for health.scientificharmfuliscutting down 用括号里单词的适当形式填空用括号里单词的适

19、当形式填空28Para.1shark fin soup is popular in southern China.Para.2cruel:harmful:endangered:cut off their fins and throw the sharksback into the ocean.bring danger to all ocean lifeThe numbers of some kinds ofsharks have fallen by over 9percentin the last 20 to 30years.29Para.3environmental protection groupsno scientific studies have shown that sharkfins are good for health(teaching the public about“finning”)(asked governments to develop laws)30