Lesson 32 The Past Life of the Earth 古代地球上的生命 It is animals and plants which lived in or near water whose remains are most likely to be preserved, for one of the necessary conditions of preservation is quick burial, and it is only in

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新概念英语85年上外美音版

新概念英语85年上外美音版第四册第24课

Lesson 24 Going Out for a Walk外出散步 Walking for walking's sake may be as highly laudable and exemplary a thing as it is held to be by those who practise it. My objection to it is that it stops the brain. Many a man has professed to me that his

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新概念英语85年上外美音版

新概念英语85年上外美音版第四册第3课

Lesson 3 Matterhorn man Modern alpinists try to climb mountains by a route which will give them good sport, and the more difficult it is, the more highly it is regarded. In the pioneering days, however, this was not the case at all. The early climber

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新概念英语85年上外美音版

新概念英语85年上外美音版第四册第6课

Lesson 6 Youth 青年 People are always talking about' the problem of youth '. If there is one-which I take leave to doubt--then it is older people who create it, not the young themselves. Let us get down to fundamentals and agree that the young are

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新概念英语85年上外美音版

新概念英语85年上外美音版第四册第9课

Lesson 9 Curiosities of Animal Life 动物生活趣闻 Not all sounds made by animals serve as language, and we have only to turn to that extraordinary discovery of echo-location in bats to see a case in which the voice plays a strictly utilitarian r

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新概念英语85年上外美音版

新概念英语85年上外美音版第四册第7课

Lesson 7 The sporting spirit 运动精神 I am always amazed when I hear people saying that sport creates goodwill between the nations, and that if only the common peoples of the world could meet one another at football or cricket, they would have no

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新概念英语85年上外美音版

新概念英语85年上外美音版第四册第17课

Lesson 17 Learning to Live 学会生活 The fact that we are not sure what 'intelligence' is, nor what is passed on, does not prevent us from finding it a very useful working concept, and placing a certain amount of reliance on tests which 'measure'

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新概念英语85年上外美音版

新概念英语85年上外美音版第四册第19课

Lesson 19 English Social Differences 英国社会的差异 A gentleman is, rather than does. He is interested in nothing in a professional way. He is allowed to cultivate hobbies, even eccentricities, but must not practise a vocation. He must know ho

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新概念英语85年上外美音版

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adipokinesis

air-brake

anomalous sound propagation in sea water