人教版高中英语必修二精编ppt课件：Unit4Using-Language

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Reading II,Reading II,Dinosaur is an animal that we can not see on the earth now.What we see in the museum are the fossils of many kinds of dinosaurs.They were found by the people at home and abroad.Some dinosaurs have long necks and tails,while others look like birds.,Dinosaur is an animal that we,人教版高中英语必修二精编ppt课件：Unit4Using-Language,人教版高中英语必修二精编ppt课件：Unit4Using-Language,人教版高中英语必修二精编ppt课件：Unit4Using-Language,Using language,Reading,1.When did dinosaurs live?,Tens of millions of years ago.,2.When did dinosaurs die out?,About 65 million years ago.,Using languageReading1.When d,3.How did dinosaurs die out?,A large rock hit the earth and put too much dust into the air.,The earth got too hot to live on.,3.How did dinosaurs die out?,True or false,There are many different species 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.,several,Liaoning,F,F,True or false There are many d,3.Some scientists are sure,dinosaurs died out because the,earth got too hot for the,dinosaurs to live on any more.,4.Dinosaurs died out quickly about,65 million years ago and many,animals have died out in the,same way.,F,T,think,3.Some scientists are sure,New Words,New Words,_,vt,.&,vt,.,咬；叮；刺痛,2._,n,.,灭绝；消亡,3._,n,.,恐龙,4._,形成；产生,5._,n,.,县；郡,6._,vt,.,检查；视察,7._,adj,.,没料到的；意外的,bite,-bit-bitten,extinction,dinosaur,come into being,county,inspect,unexpected,_ vt.&vt.,8._,n,.,事件；事变,9._,n,.,灰尘；尘土；尘埃,10._,按照；根据,所说,11._,n,.,消失,12._,adj,.,凶猛的；猛烈的,13._,以致于；结果,14._,n,.,结局；结尾,15._,adv,.,忠诚地；忠实地,incident,dust,according to,disappearance,fierce,so that,ending,faithfully,8._ n.事,Language Points,Language Points,1.They lived,on the earth,tens of millions of years ago,long before,humans,came into being,and their future seemed secure at that time.,千百万年前，早在人类产生之前，它们就生活在地球上，那时它们的未来看上去似乎很稳定。,a.on the earth,在地球上。,在,earth,sun,moon,等表达世界上独一无二的名词前,要加,the,。,e into being,形成；产生,1.They lived on the earth ten,c.long before,早在,之前很久,before,作连词连接时间状语从句,译为“在,之前”。,It will be long,before,he gets well again.,It took long,before,he came to help me.,It didnt take long,before,the fire was put out.,得过很久他才能恢复。,过了很久他才来帮我。,不久就把火扑灭了。,c.long before 早在之前很久before,I made friends with him at last Christmas party,but I had met him several times,long before,that.,我去年圣诞节晚会和他成为朋友，但早在那以前我就见过他几次。,The news didnt surprise me;I had known the factory would close down,long before.,这消息对我来说一点也不意外，我很久以前,就知道工厂将要倒闭。,long before,表示“早在,之前”；也可以表示,“很久以前”,I made friends with him at las,It will be+long before,很久以后才,It wont be long before,不久以后才,It will be long,before,he gets well again.,不久之后我们就能再见面的。,注意：,before,引导的时间状语从句要用,一般现在时表示将来的含义。,得过很久他才能恢复。,It wont be long,before,we meet again.,拓展：,before long,不久以后,It will be+long before 很久以后,It _ long before we_ the result of,the experiment.,A.will not be;will know B.is;will know,C.will not be;know D.is;know,It _ long before we_ the r,2.When scientists inspected the bones,they were surprised,to find that,these dinosaurs could not only run like the others but also climb trees.,科学家们观察它们的骨骼时，惊奇地发现它们不仅跟其他的恐龙一样可以跑，而且还可以爬树。,本句中的,to find that.,是不定式作原因状语。不定式用来表原因时，常修饰表示情感、心理状态、性格等的形容词，如：,2.When scientists inspected t,happy,，,glad,，,lucky,，,fortunate,，,surprised,，,angry,，,anxious,，,cruel,，,clever,，,frightened,，,shocked,，,sorry,，,eager,，,proud,，,disappointed,，,foolish,，,impatient,，,unwise,，,naughty,等。如：,happy，glad，lucky，fortunate，,We were surprised,to see,him.,我们真想不到会见到他。,We are proud,to be,young people of new China.,作为新中国的青年，我们感到很骄傲。,You were foolish,to act,like that.,你那样做很愚蠢。,We were surprised to see him.,3.They,learned,this,from,the way,(the bones,were joined together).,他们通过研究（恐龙,化石）骨骼的连接方式得出这个结论。,a.learn from,从,了解到,;,向,学习,b.the way,后接,_,，且在定语从句中充当,_,时，常用关系词,_,_,或,_,。,定语从句,方式状语,that,which,省略,3.They learned this from the,4.Some scientists think it came after an unexpected incident,when,a huge rock from space hit the earth and put too much dust into the air.,点拨,本句中,when,引导定语从句，其先行词为,incident,。关系副词,when,的先行词一般是表时间的名词，如,:He came last night when I was out.,但有时并不直接是表时间的名词，如：,4.Some scientists think it ca,In 1921 Einstein won the Nobel Prize,and was honored in Germany until the rise of Nazism,when,he was driven from Germany because he was a Jew.,1921,年爱因斯坦获得了诺贝尔奖，他在德国很受尊敬。纳粹上台后由于他是犹太人而被赶出了德国。,In 1921 Einstein won the Nobel,5.,According to,a UN report,according to,根据,据,说,According to,John,the bank closes at 4 p.m.,Each man will be paid,according to,his ability.,5.According to a UN report,dodo,渡渡鸟,Listening,dodo渡渡鸟Listening,DoDo,鸟是一种不会飞的鸟，仅产于毛里求斯肥。拥有肥胖的身子和巨大的嘴。,16,世纪后期，欧洲殖民者来到了毛里求斯。不会飞又跑不快的,DoDo,鸟很快成为欧洲人来到岛上后主要的食物来源。人们开始大量的滥捕滥杀可怜的,DoDo,鸟，有时每天可以捕杀到几千只到上万只。,由于过度的捕杀,很快岛上,DoDo,鸟便得越来越少。,1681,年，最后一只,DoDo,鸟被残忍的杀害后，从此，地球上再也见不到这种东西了，除非是在博物馆的图片中。,DoDo鸟是一种不会飞的鸟，仅产于毛里求斯肥。,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