必修二unit4 Animal extinction

1、Animal extinctionLook at these pictures and answer questions:They _a long time ago.disappeared/died outQ1:What are they?Q2:What happened to them?They are _dinosaursWhat might be the reasons for their extinction?GuessingWhen did dinosaurs live?Tens of millions of years ago, long before humans came in

2、to being.When did dinosaurs die out?Dinosaurs died out suddenly about 65 million years ago.How did dinosaurs die out?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.True or false There are many different species

3、of dinosaur and all of them have been found in China.Not long ago, a rare new species of bird-like dinosaur was discovered in Henan Province.a number Liaoning FF3. Some scientists are sure dinosaurs died out because the earth got too hot for the dinosaurs to live on any more.Fthink long before “很久之前

4、很久之前”，引導(dǎo)，引導(dǎo)_從句。從句。 It will be long before +從句從句(很久之后才很久之后才) It will (not) be long before +從句從句(不久就不久就.) Language points 1. They lived on the earth tens of millions of years ago, long before humans came into being時間狀語時間狀語Ex. It _ long before we_ the resultOf the experiment.A. will not be; will know B

5、. is; will knowC. will not be; know D. is; know拓展：拓展：before long 不久以后不久以后on the earth 在地球上。在地球上。在在earth, sun, moon等表達世等表達世界上獨一無二的名詞前，要加界上獨一無二的名詞前，要加the。on earth 究竟；到底。究竟；到底。 e into beingcome into being:形成形成, 產(chǎn)生產(chǎn)生 漏油漏油事件危害事件危害到了許多海鳥的生存，這促使了許多以保護鳥類為到了許多海鳥的生存，這促使了許多以保護鳥類為目標目標的的 社會團體社會團體形成形成_with oil sp

6、ills _many sea birds, which has encouraged _with oil spills _many sea birds, which has encouraged societies to _, whose _ is to save the birdssocieties to _, whose _ is to save the birdsIncidents Incidents harmharmcome into beingcome into beinggoalgoal 我們的學(xué)校是我們的學(xué)校是1997年年建立的建立的 Our school _ in 1997 O

7、ur school _ in 1997 A B A B set up set up was set upwas set up Our school _ in 1997 Our school _ in 1997 came into beingcame into beingA BA B was come into beingwas come into beingcome into being 不可以用被動語態(tài)不可以用被動語態(tài)There is a story about how the word “ sandwich”_There is a story about how the word “ sa

8、ndwich”_A came into being B was came into beingA came into being B was came into beingC came to power D was came to powerC came to power D was came to power 3.according toaccording to: 按照，根據(jù)按照，根據(jù).所說所說 根據(jù)標題根據(jù)標題和圖片和圖片, 這篇文章主要講的是什么內(nèi)容？這篇文章主要講的是什么內(nèi)容？What is the main idea of the passage _ the _ What is th

9、e main idea of the passage _ the _ and the pictures and the picturesaccording toaccording totitletitle We are paid _ how much work we did.We are paid _ how much work we did. _ many old people, he likes this kind of song._ many old people, he likes this kind of song.A B A B C DC Daccording to accordi

10、ng to according toaccording toas a result ofas a result of With the help of With the help ofIn common withIn common with4. Some scientists think it came after an unexpected incident when incident n. 事件；事變事件；事變The serious incident along the border increased our fears of the war.accident, incident, ev

11、ent這些名詞均有這些名詞均有“事事故、事件故、事件”之意。之意。accident: 強調(diào)偶然或意外發(fā)生的不幸事情。強調(diào)偶然或意外發(fā)生的不幸事情。incident: 既可指小事件或附帶事件，又可指既可指小事件或附帶事件，又可指政治上具有影響的事件或事變。政治上具有影響的事件或事變。event: 可指任何大小事件，但尤指歷史上的可指任何大小事件，但尤指歷史上的重大事件。重大事件。 野生動植物保護基金會定期野生動植物保護基金會定期視察視察大熊貓大熊貓保護區(qū)保護區(qū)，結(jié)果結(jié)果 那里的大熊貓得到了那里的大熊貓得到了 很好的保護。很好的保護。 他們確保任何大熊貓他們確保任何大熊貓捕獵捕獵者會受到懲罰，者會

12、受到懲罰，毫不留情毫不留情。 The WWF _ the panda_ regularly _The WWF _ the panda_ regularly _ the pandas there are well protected. They make sure that the pandas there are well protected. They make sure that anyoneanyone who _ a panda will be punish _ who _ a panda will be punish _inspectsinspectsreservereserveso

13、 thatso thathuntshunts without mercywithout mercyso thatso that“結(jié)果結(jié)果”引導(dǎo)結(jié)果狀語從句引導(dǎo)結(jié)果狀語從句 Please speak loudly and clearly speak loudly and clearly so thatso that“為了為了”引導(dǎo)目的狀語從句引導(dǎo)目的狀語從句 sothatsothat“如此如此以至于以至于” Every body lent a hand Every body lent a hand so thatso that The flying carpet travelled The fl

14、ying carpet travelled so so fast fast thatthat next minute they next minute they were in Zimbabwe were in Zimbabwethe work was finished ahead of time.the work was finished ahead of time.(結(jié)果結(jié)果)everyone can hear youeveryone can hear you( (為了為了) )5.so thatDodoIt stood about a meter (3 feet) tall,weighing about 20 kilograms, living onfruit, and nesting on the ground. The dodo has been extinct since themid-to-late 17th century. It becameextinct in about 1681. Its