- 新概念英语听力mp3下载第四册
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新概念英语听力mp3下载第四册lesson 47 The great escape
2007-03-21 所属栏目:新概念英语听力mp3下载第四册
Economy is one powerful motive for camping, since after the initial outlay upon equipment, or through hiringit,
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新概念英语听力mp3下载第四册lesson 48 Planning a share portfolio
2007-03-21 所属栏目:新概念英语听力mp3下载第四册
There is no shortage of tipsters around offering ‘get-rich-quick’ opportunities. But if you are a serious priv
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新概念英语听力mp3下载第四册lesson 45 Of men and galaxies
2007-03-21 所属栏目:新概念英语听力mp3下载第四册
In man's early days, competition with other creatures must have been critical.But this phase of ourdevelopment i
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新概念英语听力mp3下载第四册lesson 46 Hobbies
2007-03-21 所属栏目:新概念英语听力mp3下载第四册
A gifted American psychologist has said, 'Worry is a spasm of the emotion; the mind catches hold of somethingand
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新概念英语听力mp3下载第四册lesson 43 Are there strangers in space?
2007-03-21 所属栏目:新概念英语听力mp3下载第四册
We must conclude from the work of those who have studied the origin of life, that given a planet onlyapproximate
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新概念英语听力mp3下载第四册lesson 44 Patterns of culture
2007-03-21 所属栏目:新概念英语听力mp3下载第四册
Custom has not been commonly regarded as a subject of any great moment. The inner workings of our ownbrains we f
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新概念英语听力mp3下载第四册lesson 41 Training elephants
2007-03-21 所属栏目:新概念英语听力mp3下载第四册
Two main techniques have been used for training elephants, which we may call respectively the tough and thegentle. The
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新概念英语听力mp3下载第四册lesson 42 Recording an earthquake
2007-03-21 所属栏目:新概念英语听力mp3下载第四册
An earthquake comes like a thief in the night, without warning. It was necessary, therefore, to inventinstruments that
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新概念英语听力mp3下载第四册lesson 39 What every writer wants
2007-03-21 所属栏目:新概念英语听力mp3下载第四册
I have known very few writers, but those I have known, and whom I respected,confess at once that they have littl
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新概念英语听力mp3下载第四册lesson 40 Waves
2007-03-21 所属栏目:新概念英语听力mp3下载第四册
Waves are the children of the struggle between ocean and atmosphere, the ongoing signatures of infinity. Raysfro
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新概念英语听力mp3下载第四册lesson 37 The process of ageing
2007-03-21 所属栏目:新概念英语听力mp3下载第四册
At the age of twelve years, the human body is at its most vigorous. It has yet toreach its full size and strengt
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新概念英语听力mp3下载第四册lesson 38 Water and the traveler
2007-03-21 所属栏目:新概念英语听力mp3下载第四册
Contamination of water supplies is usually due to poor sanitation close to water sources, sewage disposalinto th
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新概念英语听力mp3下载第四册lesson 35 Space odyssey
2007-03-21 所属栏目:新概念英语听力mp3下载第四册
The Moon is likely to become the industrial hub of the Solar System, supplying the rocket fuels for its ships,ea
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新概念英语听力mp3下载第四册lesson 36 The cost of government
2007-03-21 所属栏目:新概念英语听力mp3下载第四册
If a nation is essentially disunited, it is left to the government to hold it together.This increases the expens
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新概念英语听力mp3下载第四册lesson 33 Education
2007-03-21 所属栏目:新概念英语听力mp3下载第四册
Education is one of the key words of our time. A man without an education,many of us believe, is an unfortunate victim
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新概念英语听力mp3下载第四册lesson 34 Adolescence
2007-03-21 所属栏目:新概念英语听力mp3下载第四册
Parents are often upset when their children praise the homes of their friends andregard it as a slur on their own cook
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新概念英语听力mp3下载第四册lesson 31 The sculptor speaks
2007-03-21 所属栏目:新概念英语听力mp3下载第四册
Appreciation of sculpture depends upon the abi8lity to respond to form in threedimensions. That is perhaps why s
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新概念英语听力mp3下载第四册lesson 32 Galileo reborn
2007-03-21 所属栏目:新概念英语听力mp3下载第四册
In his own lifetime Galileo was the centre of violent controversy; but the scientificdust has long since settled, and
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新概念英语听力mp3下载第四册lesson 29 The hovercraft
2007-03-21 所属栏目:新概念英语听力mp3下载第四册
Many strange new means of transport have been developed in our century, thestrangest of them being perhaps the h
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新概念英语听力mp3下载第四册lesson 30 Exploring the sea-floor
2007-03-21 所属栏目:新概念英语听力mp3下载第四册
Our knowledge of the oceans a hundred years ago was confined to the two-dimensionalshape of the sea-surface and the ha
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新概念英语听力mp3下载第四册lesson 27 The ‘Vasa’
2007-03-21 所属栏目:新概念英语听力mp3下载第四册
From the seventeenth-century empire of Sweden, the story of a galleon thatsank at the start of her maiden voyage
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新概念英语听力mp3下载第四册lesson 28 Patients and doctors
2007-03-21 所属栏目:新概念英语听力mp3下载第四册
This is a sceptical age, but although our faith in many of the things in which ourforefathers fervently believed
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新概念英语听力mp3下载第四册lesson 25 Non-auditory effects of noise
2007-03-21 所属栏目:新概念英语听力mp3下载第四册
Many people in industry and the Services, who have practical experience ofnoise, regard any investigation of thi
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新概念英语听力mp3下载第四册lesson 26 The past life of the earth
2007-03-21 所属栏目:新概念英语听力mp3下载第四册
It is animals and plants which lived in or near water whose remains are mostlikely to be preserved, for one of t
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新概念英语听力mp3下载第四册lesson 23 Bird flight
2007-03-21 所属栏目:新概念英语听力mp3下载第四册
No two sorts of birds practise quite the same sort of flight; the varieties are infinite,but two classes may be
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