《新概念英语课件第三册Lesson.ppt》由会员分享，可在线阅读，更多相关《新概念英语课件第三册Lesson.ppt（30页珍藏版）》请在三一办公上搜索。
1、Lesson 42 Modern CavemanBy Shelley,With what does the writer compare the Gouffre Berger?,TheGouffre Bergeris a Frenchcavediscovered on 24 May 1953,by Joseph Berger,Bouvet,Ruiz de Arcaute and Marc Jouffray.,Contents,Or的含义,1,Its difficult for sb to do升级,2,虚拟条件句的倒装,3,一个summary练习,4,Words and Expressions
2、,Words and Expressions,Words and Expressions,Text,Cave exploration,or pot-holing,as it has come to be known,is a relatively new sport.,Text,Perhaps it is the desire for solitude or the chance of making an unexpected discovery that lures men down to the depths of the earth.Three passions,simple but o
3、verwhelmingly strong,have governed my life:the longing for love,the search for knowledge,and unbearable pity for the suffering of mankind.-What I Have Lived for From Bertrand Russell-or the chance that they may make an unexpected discovery that,Text,It is impossible to give a satisfactory explanatio
4、n for a pot-holers motives.,Text,我不能就为什么我爱她给出满意的解释。It is impossible for me to give a satisfactory explanation for the reason why I love her.,Text,For him,caves have the same peculiar fascination which high mountains have for the climber.They arouse instincts which can only be dimly understood.对于读者来说
5、，书籍有一种特殊的魅力，就像电影对于影迷有特殊的魅力一样。For the readers,caves have the same peculiar fascination which high mountains have for the movie fans.,Text,Exploring really deep caves is not a task for the Sunday afternoon rambler.Its difficult for sb to do sth.Doing sth is not a task for sb.L38The historians attempti
6、ng to reconstruct the distant past is always faced with a difficult task.,对Sb来说，很难做某事,Exercise,It is difficult for Sam to finish his work on time.It is difficult for me to cater to all tastes.It is difficult for many university graduates to find a satisfactory job.,Text,Such undertakings require the
7、 precise planning and foresight of military operations.involve considerable planning,Text,It can take as long as eight days to rig up rope ladders and to establish supply bases before a descent can be made into a very deep cave.As long as 长达As long as 只要As long ago as 早在【L 14】L20Over a year passed b
8、efore the first attempt was made.,Text,Precautions of this sort are necessary,for it is impossible to foretell the exact nature of the difficulties which will confront the pot-holer.L41The city dweller never experiences anxieties of this sort.,Text,This immense chasm has been formed by an undergroun
9、d stream which has tunnelled a course through a flaw in the rocks.The entrance to the cave is on a plateau in the Dauphine Alps.As it is only six feet across,it is barely noticeable.TheAlpsis one of the greatmountain rangesystems ofEurope,stretching fromAustriaandSloveniain the east throughItaly,Swi
10、tzerland,LiechtensteinandGermanytoFrancein the west.,Text,The deepest known cave in the world is the Gouffre Berger near Grenoble.It extends to a depth of 3723 feet.L17The towers rise to a height of nearly 700 feet.It has a span of 4,260 feet.The platforms extend to a depth of over 100 feet under th
11、e sea.,Everest:the highest mountain in the world.Everest is in the Himalayas,himleiz喜马拉雅山脉,on the border between Tibet and Nepal.Himalayas:the Himalayasa longrange of mountains in southern Asia which includes the highest mountain in the world,MountEverest,and other mountains which only very experien
12、ced climbers try to climb,Text,The cave might never have been discovered had not the entrance been spotted by the distinguished French pot-holer,Berger.The cave might never have been discovered if the entrance had not been spotted,if,靠谱,不靠谱,If+一般现在/过去时，将来时,If+did，情过 do,If+过去完成时，情过have done,If+did/sh
13、ould/were to do,情过 do,情态动词过去时：should/would/could/might,同步,先于,后于,虚拟条件句的倒装,If I were at school again,I would study harder.Were I at school again,I would study harder.If you had come earlier,you would catch the bus.Had you come earlier,you would catch the bus.If it should rain tomorrow,we would not go
14、climbing.Should it rain tomorrow,we would not go climbing.否定形式：直接在主语后面加not,Exercise,_ fired,your health care and other benefits will not be immediately cut off.A.Would you be B.Should you beC.Could you be D.Might you be_ this afternoon,you would have to come again next week.A.The boss were not to re
15、turnB.The boss didnt returnC.Didnt the boss returnD.Were the boss not to return,B,D,Exercise,_ for the fact that she got hit by a car and broke her leg on her way to school,she might have passed the exam.A.Had it not been B.Hadnt it beenC.Were it not D.Was it not,A,Text,Since its discovery,it has be
16、come a sort of pot-holers Everest.Though a number of descents have been made,much of it still remains to be explored.Friends 皮特 16:20,Reading-Summary(no more than 4 words),Before the team approaches 1_,they went down 2_ of the cave.What they did included 3_ and 4_.Then they discovered 5_.They sat in
17、 6_ to reach the other side of the lake,wearing 7_.8_ was heard by them,created by 9_.By 10_,they saw great stalgmites.11_ were everywhere in the cave with beautiful colors.1 a narrow corridor 2 the steep sides 3.wading across shallow streams 4 swimming across deep pools.5 a waterfall 6 an inflatable rubber dinghy 7 special rubber suits 8 an insistent booming sound 9 a small waterspout 10 arc lights 11 piles of limestone,pictures:,
