- 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,
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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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