1、Lesson 42 Modern Caveman By Shelley,With 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.,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 Ex
2、pressions,,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 pass
3、ions, simple but overwhelmingly 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 forFrom Bertrand Russell -or the chance that they may make an unexpected discovery that,,Text,It is impossible to give a
4、satisfactory explanation 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 onl
5、y be dimly understood. 对于读者来说，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
6、 for sb. L38 The historians attempting 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
7、 job.,,Text,Such undertakings require the 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
8、As long ago as 早在 【L 14】 L20 Over a year passed before 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. L41 The city dweller never experiences anxieties of this sort.,,Te
9、xt,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 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
10、, stretching from Austria and Slovenia in the east through Italy, Switzerland, Liechtenstein and Germany to France in the west.,,Text,The deepest known cave in the world is the Gouffre Berger near Grenoble. It extends to a depth of 3723 feet. L17 The towers rise to a height of nearly 700 feet. It ha
11、s a span of 4,260 feet.The platforms extend to a depth of over 100 feet under the 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 Himalayas a long range of mountains in southern Asia which includes t
12、he highest mountain in the world, Mount Everest, and other mountains which only very experienced 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 ent
13、rance 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/should/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,
14、you would catch the bus. Had you come earlier, you would catch the bus.If it should rain tomorrow, we would not go 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. S
15、hould you be C. Could you be D. Might you be _ this afternoon, you would have to come again next week. A. The boss were not to return B. The boss didnt return C. Didnt the boss return D. 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 t
16、o school, she might have passed the exam. A. Had it not been B. Hadnt it been C. Were it not D. Was it not,A,,Text,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 16:20,,Reading-Summary (
17、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 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 i
18、n 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 :,,
