广东省揭阳市第三中学人教版高中英语必修二课件：UNIT4 USING LANGUAGE .ppt

1、高一 必修 2 Unit 4Dinosaur 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.Enjoy the video1.When did dinosaurs liv

2、e?Tens of millions of years ago.2.When did dinosaurs die out?About 65 million years ago.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.Read the text carefully and fill in the blanks.AnimalsDetailsDinosaursThey lived on the e

3、arth tens of millions of years ago.There were many different kinds of dinosaur and a number of them used to live in _.ChinaAnimalsDetailsDinosaursThe _ of twenty-five species have been found in Henan Province.Not long ago a(n)_ new species of bird-like dinosaur was discovered in Liaoning Province.Sc

4、ientists found they could not only run like the others but also _ trees.eggsrareclimbAnimalsDetailsDinosaursThey _ suddenly about 65 million years ago.Nobody knows for sure why and _ dinosaurs disappeared from the earth._It is one of the animals and plants that have died out in the _ 500 years.lastd

5、ied outhowThe dodoAnimalsDetails_It lived on the Island of Mauritius and was a very friendly animal.The dodo1.There are many different species of dinosaur and all of them have been found in China.2.Not long ago,a rare new species of bird-like dinosaur was discovered in Henan Province.severalLiaoning

6、 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.think1.They lived on the earth tens of millions of years ago,long beforehumans cam

7、e into being and their future seemed secure at that time.本句是一个由and连接的并列句，其中，long before 引导时间状语从句，进一步解释说明tens of millions of years ago，意为“在之前很久”。注意：before long 意为“不久以后”。如：I knew Tom long before I knew you.我在认识你之前很久就认识汤姆了。We hope to finish our experiment before long.我们希望不久就把实验做完。It _ long before we _

8、the result ofthe experiment.A.will not be;will know B.is;will knowC.will not be;know D.is;knowbefore long 不久以后e.g.I hope to see you again before long.We were tired of waiting and hoped the bus would come before long.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。come into being的意思是“开始存在;发生”。我

9、们不知道这世界是什么时候存在的。We dont know when the world came into being.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.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：happy，glad，lucky，fortunate，surprised，

10、angry，anxious，cruel，clever，frightened，shocked，sorry，eager，proud，disappointed，foolish，impatient，unwise，naughty等。如：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。3.Some scientists think it came after an un

11、expected incident when a huge rock from space hit the earth and put too much dust into the air.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：In 1921 Einstein won the Nobel Prize,and was honored in Germany until the rise of Nazism when he was d

12、riven 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。4.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 tohis ability.on Page 65We call it _.Milu deerAppearance of Milu deerFeatures of Milu deerlik

13、e other deer but with large hornslive together,eat grass and tree branches;like cool,wet weatherInformation for research into Milu deerReasons for disappearanceThe life of the Milu deer in BritainHow they returnedlive happily and number increasedin 1985 the government of China asked for some to be r

14、eturned to China,the Duke of Bedford was happy to agreeover-hunted and killedPresent situationValue of the cooperationgreat increase in number and several Milu deer centres have been set upan increase in the friendship and understanding between China and BritainI.根据下列各句句意及所给单词的汉语提示，写出所缺单词的正确形式。1.My

15、son can remember every small _(事件)in great detail.2.It was one of the regions most _(猛烈的)storms in years.fierceincident3.The wind was blowing _(尘土)and leaves up from the ground.4.People want love stories with happy _(结局).5.My father _(检查)the tree and found that there was indeed a branch broken off.i

16、nspecteddustendingsII.选用方框内合适的词或短语，并用其适当形式填空。1.What do you _ we do to protect wildlife?2.No one knows when such a custom _.suggestcame into beingcome into being according to home of suggest 3._ our records,the books you have borrowed should now be returned to the library.4.Meizhou is regarded as the

17、 _ football in Guangdong Province.According tohome ofIII.根据汉语提示，完成下列句子。1.在过去的十年中，大学生花在电脑上的时间一直在增加。_,the amount of time a college student spends on the computer has been increasing.In the past/last ten years2.不久前，我有一次难忘的经历。_,I had an unforgettable experience.3.像许多别的男孩一样，打篮球是我最喜爱的体育运动。Like _,playing basketball is my favorite sports.Not long agomany other boys4.他工作和谈话的方式与众不同。_ he works and talks is different from others.5.我确切地知道，机会属于时刻准备着的人。I _ that chances belong to those who are always ready.know for sure The way