人教版高中英语必修2 UNIT 4 WILDLIFE PROTECTION PERIOD 3 课件2 （共35张PPT） .ppt

1、Unit 4 Wlidlife protectionPeriod 6 Using languageAims:1.To read and listen about dinosaurs.2.To speak about helping the dodo.3.Train the students reading ability:scanning.4.To master the following expressions:dinosaur;come into being;inspect;incident;dust;fierce;according to;inspectincidenthitrecent

2、lyrealizeintendvt.检查；查看；视察n.事件；事变vt.击；打 n.击中adv.最近；新近vt.认识到；意识到；实现；兑现（钱）vt.打算；想要；计划；预定Words previewlong beforecome into being for sureaccording to so that depend on很久以前；在以前很久开始存在；形成；发生确定；有把握的；无疑按照；根据；取决于以便；以致于；结果依靠；信赖；相信；指望；取决于Expressions previewdinosaur Whats your impression of the dinosaur?Large/h

3、ugestrongcruelviolentfierceHow much do you know about dinosaurs?Pterosaur 翼龙Triceratops 三角龙Stegosaurus 剑龙tyrannosaurus 霸王龙kinds of dinosaursplant-eatersmeat-eaters disaster?climate changing?over hunting?What might be the reasons for their extinction?Guessing1.When did dinosaurs live?They lived on th

4、e earth Tens of millions of years ago,long before humans came into being.2.When did dinosaurs disappear?Animal ExtinctionDinosaurs died out suddenly about 65 million years ago.Reading3.Whats the rare new species of dinosaurs discovered in Liaoning Province?A bird-like dinosaur which could not only r

5、un but also climb trees.4.What might be the possible reasons for their extinction?Maybe thats because a huge rock from space hit the earth and put too much dust into the air or because the earth got too hot to live on.1 a type of reptile(爬行动物)which stopped existing about 60 000 000 years ago.There w

6、ere many different types of dinosaur,some of which were extremely large.2 an old-fashioned person or thing that people no longer consider to be useful:This typewriters a bit of a dinosaur,isnt it?1 dinosaur n.C2 come into being 形成；产生1.A new rule will soon come into being.一个新规则很快就要出台了。2.A car comes i

7、nto being through a series of complex operations.汽车经过一连串的复杂作业程序而制成。3 inspect vt.检查；视察1.It was strange that nobody inspected my ticket before I got on the train.很奇怪，我上火车前，竟然没有人查看我的车票。2.Police were called out to keep at the airport,and inspect the arriving planes.警察们被紧急召集起来去守卫机场，并对到达的飞机进行检查。4 incident

8、 n.C 事件；事变 an event which is either unpleasant or unusual:an isolated/serious/unfortunate incidentA youth was seriously injured in a shooting incident on Saturday night.5 dust n.U 尘土dry dirt in the form of powder that covers surfaces inside a building,or very small dry pieces of earth,sand or other

9、substances:The furniture was covered in dust and cobwebs(蜘蛛网).A cloud of dust rose in the air as the car roared past.6 fierce adj.凶猛的；猛烈的1 physically violent and frightening:a fierce attack/battleTwo men were shot during fierce fighting last weekend.2 strong and powerful:Fierce winds/seas prevented

10、the race from taking place.3 showing strong feeling or energetic activity:There is fierce competition to join the Special Branch.4 US INFORMAL difficult:The chemistry exam was fierce!7 according to 按照；根据所说1.According to facts in my possession he can not possibly be guilty.根据我所掌握的事实，他是不可能有罪的。2.Accord

11、ing to these figures,our company is doing well.从这些数字来看，我们的公司经营得不错。渡渡鸟是一种不会飞的鸟,仅产于非洲的岛国毛里求斯。肥大的体型总是使它步履蹒跚,再加上一张大大的嘴巴,使它的样子显得有些丑陋。幸好岛上没有它们的天敌,因此,它们安逸地在树林中建窝孵卵,繁殖后代。16世纪后期,带着来复枪和猎犬的欧洲人来到了毛里求斯。不会飞又跑不快的渡渡鸟厄运降临了。欧洲人来到岛上后,渡渡鸟就成了他们主要的食物来源。从这以后,枪打狗咬,鸟飞蛋打,大量的渡渡鸟被捕杀。就连幼鸟和蛋也不能幸免。开始时,欧洲人每天可以捕杀到几千只到上万只渡渡鸟,可是由于过度的

12、捕杀,很快他们每天捕杀的数量越来越少,有时每天只能打到几只了。1681年,最后一只渡渡鸟被残忍的杀害了,从此,地球上再也见不到渡渡鸟了,除非是在博物馆的标本室和画家的图画中。Listening：Ex 3 Choose the sentence which gives the main idea of the story.Say what is wrong with the other three.Number 2 is correct.Number 1 is wrong.It is not fair to blame the dodo for his disappearance.Number

13、3 only explain half the story.The dodo and man did become friends but only because man wanted to kill all the dodos as easily as possible.Number 4 is wrong because the other animals and birds did not do much to save the dodo.They warned him but did not help him.Listen to the tape and choose the corr

14、ect answer to complete each sentence.1.The dodo is_.A.fierce B.unkind C.friendly D.foolish2.He wants to believe that Man is telling the truth because _.A.Man is friendly B.he think Man is friendly C.he thinks the bears and monkeys lie D.Man is his best friend3.He didnt realize who had killed many of

15、 his friends until _.A.Man told him the truth B.the other birds told him C.he saw how his friend was being killed by Man D.the monkeys told himIn pairs choose another endangered animal which you know about.Analyse why this animal is endangered.over hunted lack of foodhabitat is being threatenedFor e

16、xampleAnimal Habitat Reason for problemPolar bearWhite RhinoNorth PoleAfrica Warming of the seas means it is losing its habitat of ice flows1 Destruction of the grasslands where it lives 2 Hunting for its horn3 Too friendly and so easily caughtINTENTIONPURPOSEIm going to to help/saveI intend/mean/pl

17、an to to protect fromI will so that Discuss what you might do to save it.Useful phrasesI feel like Id like to Im ready to Id rather not in order to but do to teach them a lessonto punish those who do harm to wildlifeSupport zoos,reserves,and organizations that help animals.Volunteer your money,time

18、and ideas.Everyone shares a responsibility in helping to save endangered animals that live on Earth.Here are some ways we can help all wildlife:WAYS TO SAVE ENDANGERED ANIMALS Avoid buying any products made from endangered animals.Learn all about endangered animals and share this information with ev

19、eryone.Dont pollute.Write a letter to WWF based on what you have discussed,asking them to help you save your endangered animals.All letters have a start and an ending.The language used depends on how well the writer knows the person to whom he/she is writing.(pay attention to the guidelines on your

20、book)FormalInformal Starts Dear,Hi,My dear,Dearest,Endings Yours sincerely,Sincerely,Sincerely yours,Yours truly,Yours faithfully,Love,Cheers,Regards,Best wishes,Yours,Homework1.Finish writing the letter.2.Review the whole unit.3.Read the passage on workbook(page 65)and complete exercise 2 after it.