新概念英语第三册Lesson42课堂PPT

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1、LOGO 1Lesson 42 Modern CavemanBy ShelleyLOGO2With what does the writer compare the Gouffre Berger?The Gouffre Berger is a French cave discovered on 24 May 1953,by Joseph Berger,Bouvet,Ruiz de Arcaute and Marc Jouffray.LOGO3ContentsOr的含义的含义1Its difficult for sb to do升级升级2虚拟条件句的倒装虚拟条件句的倒装3一个一个summary练

2、习练习4LOGO4Words and ExpressionsForesightA man of foresight 有远见的人有远见的人A man of insight 有洞察力的人有洞察力的人LOGO5Words and ExpressionsHimalayasThe AlpsThe Tai MountainThe Everest The Fuji Mountain The Rocky Mountain LOGO6Words and Expressions inflatable eechargeableportable foldable LOGO7Text Cave exploration,

3、or pot-holing,as it has come to be known,is a relatively new sport.LOGO8Text 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 overwhelmingly strong,have governed my life:the longing for love

4、,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 thatLOGO9Text It is impossible to give a satisfactory explanation for a pot-holers motives.LOGO10Text 我不能就为什么我爱她给出满意的解释。我不能

5、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.LOGO11Text 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，书籍有一种特殊的魅力，就像电对于读者来说，书籍有一种特殊的魅

6、力，就像电影对于影迷有特殊的魅力一样。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.LOGO12Text 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

7、 attempting to reconstruct the distant past is always faced with a difficult task.LOGO13对对Sb来说，很难做某事来说，很难做某事Its difficult for sb to do sth.Doing sth is not a task for sb.Sb attempting to do sth is always faced with a difficult task.Sb has a hard time doing sth.LOGO14ExerciseIt is difficult for Sam t

8、o 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.LOGO15Text Such undertakings require the precise planning and foresight of military operations.involve considerable planning LOGO16Text It can take as long

9、 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 长达长达As long as 只要只要As long ago as 早在早在【L 14】L20Over a year passed before the first attempt was made.LOGO17Text Precautions of this sort are necessary,for it is impossible

10、 to foretell the exact nature of the difficulties which will confront the pot-holer.L41The city dweller never experiences anxieties of this sort.LOGO18Text This immense chasm has been formed by an underground stream which has tunnelled a course through a flaw in the rocks.The entrance to the cave is

11、 on a plateau in the Dauphine Alps.As it is only six feet across,it is barely noticeable.The Alps is one of the greatmountain range systems of Europe,stretching from Austria and Slovenia in the east through Italy,Switzerland,Liechtenstein and Germany to France in the west.LOGO19Text The deepest know

12、n 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 the sea.LOGO20LOGO21Everest:the highest mountain in the world.Everest is in

13、the Himalayas,himleiz喜马拉雅山脉 ,on the border between Tibet and Nepal.Himalayas:the Himalayasa long range of mountains in southern Asia which includes the highest mountain in the world,Mount Everest,and other mountains which only very experienced climbers try to climb LOGO22LOGO23Text The cave might ne

14、ver 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 LOGO24if靠谱靠谱不靠谱不靠谱If+一般现在一般现在/过去时，将来时过去时，将来时If+did，情过情过 doIf+过去完成时，过去完成时，情过情过have doneIf+did/should/were to do,情过情过 d

15、o情态动词过去时：情态动词过去时：should/would/could/might同步同步先于先于后于后于LOGO25虚拟条件句的倒装虚拟条件句的倒装 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

16、go climbing.Should it rain tomorrow,we would not go climbing.否定形式：直接在主语后面加否定形式：直接在主语后面加notLOGO26Exercise _ fired,your health care and other benefits will not be immediately cut off.A.Would you be B.Should you be C.Could you be D.Might you be _ this afternoon,you would have to come again next week.A.

17、The boss were not to return B.The boss didnt return C.Didnt the boss return D.Were the boss not to returnBDLOGO27Exercise_ 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 notALOGO28Te

18、xt Since its discovery,it has become a sort of pot-holers Everest.Though a number of descents have been made,much of it still remains to be explored.Friends 皮特皮特 16:20LOGO29Reading-Summary(no more than 4 words)Before the team approaches 1_,they went down 2_ of the cave.What they did included 3_ and

19、4_.Then they discovered 5_.They sat in 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 limestoneLOGO30pictures: