新概念英语课件第三册Lesson 42 Modern Caveman课件(共30张PPT)

(共30张PPT)
Lesson 42 Modern Caveman
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
It’s difficult for sb to do升级
2
虚拟条件句的倒装
3
一个summary练习
4
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Words and Expressions
Foresight
A man of foresight 有远见的人
A man of insight 有洞察力的人
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Words and Expressions
Title
Himalayas
The Alps
The Tai Mountain
The Everest
The Fuji Mountain
The Rocky Mountain
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Words and Expressions
inflatable
eechargeable
portable
foldable
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Text
Cave exploration, or pot-holing, as it has come to be known, is a relatively new sport.
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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 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 for
From Bertrand Russell
--or the chance that they may make an unexpected discovery that…
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Text
It is impossible to give a satisfactory explanation for a pot-holer’s motives.
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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.
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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，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.
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Text
Exploring really deep caves is not a task for the Sunday afternoon rambler.
It’s difficult for sb to do sth.
Doing sth is not a task for sb.
L38
The historians attempting to reconstruct the distant past is always faced with a difficult task.
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对Sb来说，很难做某事
Step 1
It’s difficult for sb to do sth.
Step 2
Doing sth is not a task for sb.
Step 3
Sb attempting to do sth is always faced with a difficult task.
Step 4
Sb has a hard time doing sth.
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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.
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Text
Such undertakings require the precise planning and foresight of military operations.
involve considerable planning
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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】
L20
Over a year passed before the first attempt was made.
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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.
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Text
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, stretching from Austria and Slovenia in the east through Italy, Switzerland, Liechtenstein
and Germany to France in the west.
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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 has a span of 4,260 feet.
The platforms extend to a depth of over 100 feet under the sea.
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Everest: the highest mountain in the world.
Everest is in the Himalayas [,him 'lei z]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 the highest mountain in the world, Mount Everest, and other mountains which only very experienced climbers try to climb
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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 …
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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
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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 climbing.
Should it rain tomorrow, we would not go climbing.
否定形式：直接在主语后面加not
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Exercise
_____ 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. The boss were not to return
B. The boss didn’t return
C. Didn’t the boss return
D. Were the boss not to return
B
D
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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. Hadn’t it been
C. Were it not D. Was it not
A
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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
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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 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
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pictures :
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