新概念英语第三册Lesson 42 知识点梳理.docx

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1、SECTION 1:Lesson 42 Cave exploration, or potholing, as it has come to be known, is a relatively new sport. 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. It is impossible to give a satisfactory explanation for a p

2、ot-holers motives. For him, caves have the same peculiar fascination which high mountains have for the climber. They arouse instincts which can only be dimly understood.solitude being alone without companions 1）寂寞，孤单 The night regressed （回归） into utter silence and solitude. 黑夜重归孤寂。 2）独处，独居: She enjo

3、ys the solitude of her own flat. Cave exploration, or potholing, as it has come to be known, is a relatively new sport. 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. It is impossible to give a satisfactory explan

4、ation for a pot-holers motives. For him, caves have the same peculiar fascination which high mountains have for the climber. They arouse instincts which can only be dimly understood.1lure 引诱，诱惑 lure sb into doing sth People may be lured into buying things by clever advertising.It isthat Perhaps it i

5、s the desire fosolitude or the chance of making an unexpected discovery that lures men down to the depths of the earth. 基本句：I bought a cat in that shop yesterday Cave exploration, or potholing, as it has come to be known, is a relatively new sport. Perhaps it is the desire for solitude or the chance

6、 of making an unexpected discovery that lures men down to the depths of the earth. It is impossible to give a satisfactory explanation for a pot-holers motives. For him, caves have the same peculiar fascination which high mountains have for the climber. They arouse instincts which can only be dimly

7、understood. 唤起同情 Arouse sympathyarouse2Section 2arouseones instinct Exploring really deep caves is not a task for the Sunday afternoon rambler. Such undertakings require the precise planning and foresight of military operations. It can take as long as eight days to rig up rope ladders and to establi

8、sh supply bases before a descent can be made into a very deep cave. Precautions of this sort are necessary, for it is impossible to foretell the exact nature of the difficulties which will confront the potholer. The deepest known cave in the world is the Gouffre Berger near Grenoble. march stride wa

9、nder tiptoe/creep trudge wade staggerwalkramble 我喜欢在乡间漫步 I like rambling around in the country.3 Exploring really deep caves is not a task for the Sunday afternoon rambler. Such undertakings require the precise planning and foresight of military operations. It can take as long as eight days to rig u

10、p rope ladders and to establish supply bases before a descent can be made into a very deep cave. Precautions of this sort are necessary, for it is impossible to foretell the exact nature of the difficulties which will confront the potholer. The deepest known cave in the world is the Gouffre Berger n

11、ear Grenoble.undertaking an important job, piece of work that you will be responsible for 任务，工作，重任 Starting a new business can be a risky undertaking.Organizing the show has been a massive undertaking. (Hosting)举办奥运将是一项艰巨的（tough)重任 Exploring really deep caves is not a task for the Sunday afternoon r

12、ambler. Such undertakings require the precise planning and foresight of military operations. It can take as long as eight days to rig up( 搭 起 ） rope ladders and to establish supply bases before a descent can be made intoa very deep cave. Precautions of this sort are necessary, for it is impossible t

13、o foretell the exact nature of the difficulties which will confront the potholer. The deepest known cave in the world is the Gouffre Berger near Grenoble.4descent The plane began its descent into Paris. There was a descent of temperature after rain Ascent 上升 It can take as long as eight days to rig

14、up( 搭 起 ） rope ladders and to establish supply bases before a descent can be made into a very deep cave. Precautions of this sort are necessary, for it is impossible to foretell the exact nature of the difficulties which will confront the potholer. The deepest known cave in the world is the Gouffre

15、Berger near Grenoble.confront A lot of problems confronted us be confronted with sth 面临 Customers are confronted with a bewildering amount of choice. 我们将会面临很多新困难 It can take as long as eight days to rig up( 搭 起 ） rope ladders and to establish supply bases before a descent can be made into a very dee

16、p cave. Precautions of this sort are necessary, for it is impossible to foretell the exact nature of the difficulties which will confront the potholer. The deepest known cave in the world is the Gouffre Berger near Grenoble.5 It extends to a depth of 3723 feet. This immense chasm has been formed by

17、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 cave might never have been discovered had not the entrance been spotted by the distinguished Fren

18、ch pothole , Berger. Since its discovery, it has become a sort of potholers Everest. Though a number of descents have been made, much of it still remains to be explored. chasm 1.（地上的）深坑; 深渊; hole, pit, chasm (两山之间）2.鸿沟，巨大差距 There is still a vast economic chasm between developed and developing countr

19、ies. The chasm between rich and poor It extends to a depth of 3723 feet. 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 no

20、ticeable. The cave might never have been discovered had not the entrance been spotted by the distinguished French pothole , Berger. Since its discovery, it has become a sort of potholers Everest. Though a number of descents have been made, much of it still remains to be explored.6tunnelflaw This vas

21、e would be perfect without a few small flaws in its base瑕疵，漏洞，缺陷 an argument full of flaws a flaw in a contract Pride was the greatest flaw in his personality. It extends to a depth of 3723 feet. This immense chasm has been formed by an underground stream which has tunnelled a course through a flaw

22、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 cave might never have been discovered had not the entrance been spotted by the distinguished French pothole , Berger. Since its discovery, it has become a sort of

23、potholers Everest. Though a number of descents have been made, much of it still remains to be explored.7虚拟语气的省略 If I were you, I would go with him If I had come yesterday, I would have seen him A team of potholers recently went down the Gouffre Berger. After entering the narrow gap on the plateau, t

24、hey climbed down the steep sides of the cave until they came to a narrow corridor. They had to edge their way along this, sometimes wading across shallow streams, or swimming across deep pools. Suddenly they came to a waterfall which dropped into an underground lake at the bottom of the cave. They p

25、lunged into the lake, and after loading their gear on an inflatable rubber dinghy, let the current carry them to the other side.To protect themselves from the icy water, they had to wear special rubber suits.gap ， A team of potholers recently went down the Gouffre Berger. After entering the narrow g

26、ap on the plateau, they climbed down the steep sides of the cave until they came to a narrow corridor. They had to edge their way along this, sometimes wading across shallow streams, or swimming across deep pools. Suddenly they came to a waterfall which dropped into an underground lake at the bottom

27、 of the cave. They plunged into the lake, and after loading their gear on an inflatable rubber dinghy, let the current carry them to the other side.To protect themselves from the icy water, they had to wear special rubber suits.8edge ones way ， The policeman slowly edged his way forward. Edging my w

28、ay through the crowd I eventually managed to get to the door A team of potholers recently went down the Gouffre Berger. After entering the narrow gap on the plateau, they climbed down the steep sides of the cave until they came to a narrow corridor. They had to edge their way along this, sometimes w

29、ading across shallow streams, or swimming across deep pools. Suddenly they came to a waterfall which dropped into an underground lake at the bottom of the cave. They plunged into the lake, and after loading their gear on an inflatable rubber dinghy, let the current carry them to the other side.To pr

30、otect themselves from the icy water, they had to wear special rubber suits.gear : The camping gear Hes crazy about photography - hes got all the gear. They plunged into the lake, and after loading their gear on an inflatable rubber dinghy, let the current carry them to the other side. To protect the

31、mselves from the icy water, they had to wear special rubber suits.9 给轮胎充气 给热气球充气 inflationinflate At the far end of the lake, they came to huge piles of rubble which had been washed up by the water. In this part of the cave, they could hear an insistent booming sound which they found was caused by a

32、 small water-spout shooting down into a pool from the roof of the cave. Squeezing through a cleft in the rocks, the potholers arrived at an enormous cavern, the size of a huge concert hall. After switching on powerful arc lights, they saw great stalagmites- some of them over forty feet high-rising u

33、p like tree-trunks to meet the stalactites suspended from the roof. Round about, piles of lime-stone glistened in all the colours of the rainbow. 巨石 岩石 鹅卵石 碎石，瓦砾（u） At the far end of the lake, they came to huge piles of rubble which had been washed up by the water. In this part of the cave, they cou

34、ld hear an insistent booming sound which they found was caused by a small waterspout shooting down into a pool from the roof of the cave. spout v（指液体）喷出, 涌出: blood spouting from artery cola spouting from a broken tin10 Squeezing through a cleft in the rocks, the potholers arrived at an enormous cave

35、rn, the size of a huge concert hall. After switching on powerful arc lights, they saw great stalagmites（ 石 笋 ）-some of them over forty feet high-rising up like tree-trunks to meet the stalactites （ 钟 乳 石 ） suspended from the roof. Round about, piles of lime-stone glistened inall the colours of the r

36、ainbow. In the eerie silence of the cavern, the only sound that could be heard was made by water which dripped continuously from the high dome above them.eerie 可怕的，恐怖的，灵异的 恐怖的尖叫 可怕的沉寂 诡异的声音dome In the eerie silence of the cavern, the only sound that could be heard was made by water which dripped continuously from the high dome above them. = a large cave the dome of St Pauls cathedral 圣保罗大教堂的穹顶.11