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[探索发现] 【整理】2010-02-24 地球的起源 EarthMade—11

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[探索发现] 【整理】2010-02-24 地球的起源 EarthMade—11

本帖最后由 sylvia_qian 于 2010-3-1 21:22 编辑

 

  How The Earth Was Made  

The series of HOW THE EARTH WAS MADE travels the globe to reveal the geological processes that have shaped our planet. We will look at a single location and examine how the features that we see today have formed over millions of years—whether by colliding continents, volcanic eruption or the abrasive power of vast ice sheets. These processes, which intimately affect the way we live today, have been lost in the mists of time. Using the clues that were left behind, combined with expert evidence from geologists in the field, this series rolls back the millennia to see how the slow but immensely powerful forces of geology have shaped our world.

 

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【整理】sylvia_qian

For reference only

 

-This is essentially the foundation of a hut. It is unimaginable to see an actual house structure right there next to what is now nothing.

 

Hassan’s discovery is striking evidence of human habitation.

 

-The house structure consists of this: circular foundation with upright standing blocks which are taken from the local bedrock. It would have made a semi-circular structure with probably skins and branches and people would have used that as a shelter.

 

Hassan believes these huts could have housed a small community of around 50 people. Now he needs to know exactly when they lived here.

 

-Ostrich eggshell beads.

 

These little ostrich egg beads are clearly human handiwork.

 

-They used the eggshells to make ornamental beads. Cut into a circle so that a string can pass through. So they string this into bracelets or necklaces.

 

The eggshells the beads were made from are also here and provide the next clue.

 

-The eggshells suggest, of course that there were ostriches, and that’s quite remarkable for this environment to have animals like that.

 

This was no nomadic tribe but a settled farming community rearing animals for food.

 

Hassan carbon dated the ostrich eggshell beads. The result: just 7,000 years ago, the deadliest desert on earth was home to both human and animal life. It’s dramatic evidence of the last burst of green in the desert. A dip in the desert floor provides a clear sign that rain from the monsoon fell here.

 

-What we have here is the evidence of a deep lake with mud deposited.

 

This mud indicates a body of water that could have supported a settlement of people.

 

-When the lake is deep as we can see from these layers here, there would be a lot of vegetations, a lot of animals and people would have a very good time.

 

At sites all across the Sahara, scientists have excavated similar evidence of life, the remains of elephants and gazelles, hippos and crocodiles. Remarkable cave paintings even show people swimming. Elsewhere, human bones have been found carefully buried in what were lakeside graveyards. Analysis of these bones reveals they date from between 10,000 and 6,000 years ago.

 


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homework
This is essentially the foundation of a hut. It is unimaginable to see an actual house structure right there next to what is now nothing.
Hassan’s discovery is striking evidence of human habitation. The house structure consist of this: circular foundation with upright standing rocks which are taken from the local bedrock. It would have made a semi-circular structure with probably skins and branches and people would use it as a shelter.
Hassan believed these huts could have housed a small community of around 50 people. Now he needs to know exactly when they lived here.
Also eggshell beads. These little ostrich egg beads are clearly human handiwork.
They use the eggshells to make ornamental beads. Cut into a circle so that a strain can pass through. So they strain this into grace lace or necklaces.
The eggshells the beads were made from are also here and provide the next clue.
The eggshells so of course they are here. That’s quite remarkable for this environment to have animals like that.
This was no nomadic tribe but a settled farming community rearing animals for food.
Hassan carbon dated the ostrich eggshell beans. The result: just 7,000 years ago, the deadliest desert on earth was home to both human and animal life. It’s dramatic of the last burst of green in the desert. A dip in the desert floor provides a clear sign that rain from the monsoon fell here.
It is the evidence of a deep lake with mud deposited.
This mud indicates a body of water that could have supported a settlement of people.
When the lake is deep as we can see from these layers here, there would to be a lot of vegetations, a lot of animals and people would have a very good time.
At sites all across the Sahara, scientists have excavated similar evidence of life. The remains of elephants and gazelles, hippos and crocodiles. Remarkable carve paintings even show people swimming. Elsewhere, human bones have been found carefully buried in what were lake side graveyards. Analysis of these bones reveals they date from between 10,000 and 6,000 years ago.
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This is essentially the foundation of a hut. It is unimaginable to see an actual house structure right there next to what is now nothing.
Hassan’s discovery is striking evidence of human habitation. The house structure consist of this: circular foundation with upright standing rocks which are taken from the local bedrock. It would have made a semi-circular structure with probably skins and branches and people would use it as a shelter.
Hassan believed these huts could have housed a small community of around 50 people. Now he needs to know exactly when they lived here.
Also eggshell beads. These little ostrich egg beads are clearly human handiwork.
They use the eggshells to make ornamental beads. Cut into a circle so that a strain can pass through. So they strain this into grace lace or necklaces.
The eggshells the beads were made from are also here and provide the next clue.
The eggshells suggset  of course they are here. That’s quite remarkable for this environment to have animals like that.
This was no nomadic tribe but a settled farming community rearing animals for food.
Hassan carbon dated the ostrich eggshell beans. The result: just 7,000 years ago, the deadliest desert on earth was home to both human and animal life. It’s dramatic evidence of the last burst of green in the desert. A dip in the desert floor provides a clear sign that rain from the monsoon fell here.
It is the evidence of a deep lake with mud deposited.
This mud indicates a body of water that could have supported a settlement of people.
When the lake is deep as we can see from these layers here, there would to be a lot of vegetations, a lot of animals and people would have a very good time.
At sites all across the Sahara, scientists have excavated similar evidence of life. The remains of elephants and gazelles, hippos and crocodiles. Remarkable carve paintings even show people swimming. Elsewhere, human bones have been found carefully buried in what were lake side graveyards. Analysis of these bones reveals they date from between 10,000 and 6,000 years ago.
实现无障碍英语沟通
Homework

-This is essentially the foundation of a hut. It is unimaginable to see an actual house structure, right?

Hassan’s discovery is striking evidence of human habitation.

-The house structure consisted of this, circular foundation with upright standing blocks which are taken from local **. It would have made a semi-circle structure with probably skins and branches and people would have used it as a shelter.

Hassan believes these huts could’ve house a small community of 50 people. Now he needs to know exactly when they lived here.

-Also the eggshell beeds.

This little o** egg beeds are clearly human handy work.

-They use the eggshell to make ornamental beeds, cut into a circle, so that a strain can pass through. So they strain this into brace lace or necklace.

The eggshells the beeds were made from are also here and provide the next clue.

-The eggshells suggest of course there were //. That’s quite remarkable for this environment to have animals like that.

This was known nomadic tribe, but a settle farming community rearing animals for food. Hassan carbon dated the ** eggshell beeds. The result: just 7,000 years ago, the deadliest desert on earth was home to both human and animal life. It’s dramatic evidence of the last burst of green in the desert. A dip in the desert floor provides a clear sign that rain from the m** fell here.

-What we have here, it is the evidence of a deep lake with mud deposited.

This mud indicates a body of water that could’ve supported a settlement of people. When the lake is deep as we can see from these layers here, there would be a lot of vegetation, a lot of animals and people would have a very good time.

At sites all across the Sahara, scientists have excavated similar evidence of life, the remains of elephants and **, hippos and crocodiles. Remarkable cave paintings even show people swimming. Elsewhere, human bones have been found, carefully buried in what were lake side greave yards. Analysis of these bones reveals they date from between 10,000 and 6,000 years ago.
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HW
This is essentially the foundation of a heart. It is unimaginable to see an actual house structure right there next to what is now nothing.
Hassan's discovery is striking evidence of human habitation.
The house structure consist of this circular foundation with uprights standing rocks which are taken from the local bedrock. It would have made semi-circular structure with probably skins and branches and people would use it as a shelter.
Hassan believes these hearts could have house a small community of around 50 people. Now he needs to know exactly when they lived here.
All are eggshell beads.
These little ostrich egg beads are clearly human handy work.
They use the eggshells to make ornamental beads cut into a circle so that its string can pass through. So they string these into bracelets or necklaces.
The eggshells the beads were made from are also here and provide the next clue.
The eggshell suggests of course they were all socialism and that's quite remarkable for this environment to have animals like that.
This was known nomadic tribe but a settled farming community rearing animals for food.
Hassan carbon dated the eggshell ostrich beads. The results, just 7000 years ago the deadly desert on earth was home to both humans and animal life. It's dramatic evidence of the last birth of green in the desert. A deep in the desert floor provides a clear sight that the rain from the monsoon fell here.
What we have here, it is the evidence of a deep lake with mud deposited.
This mud indicates a body of water that could have supported a settlement of people.
When the lake is deep as we can see from these layers here then be a lot of vegetation, a lot of animals and people would have a very good time.   
As sites all across the Sahara, scientists have excavated similar evidence of life. The remains of elephants, and gazelles, hippos and crocodiles. Remarkable cave painting even show people swimming. Elsewhere human bones have been found, carefully buried in what were lake side graveyards. Analyzes of these bones reveals they date between 10,000 and 6000 years ago.

[Homework]2010-02-24 地球的起源 EarthMade—11

this is essentially a foundation of a hut. it's uninmaginable to see an actual how structure right there next to what's now nothing.hasson''s discovery is striking envidence human habitation. how structure consist of this * fundation with upright standing blocks which are taken from that * it what have a * circlely structure which probable * blank sheet which people say a shelter. unbelieve this hut could house a small commnity of around fifty people. now he needs to know exactly when they lived here. of actual bees. this little creature egg bees are clearly human handy work. they use the actual to make a mentle bit cut into a circle, so the strain can pass through, so they strained it into. um, ***. the egg shows the bees were made from are also here, and peovide the next clue. the eddshells suggest of course they were also remarkable for this environment, um, it must like that. this was no no matter trive, but settle farming commnity * animals for food. hasson barbon dated the eggshell show me is **. just 7000 years ago that desert was home to both human and animal life. it's dramatica evidence of the last * of green in the desert. a * in the desert floor provides a clear sign that the rain from * fell here. when we are here, it's evidence of a deeply lake with marked*.this evidence indicate a body of water that could supprot a settlement of people. when the lake is deep and we can see this lays here they are a lot of fish and a lot of animals and people have a good time. as science all across the sahara scientists have * similar evidence of life. the remains of elephants and * hippos and crocodiles. remakable cave paintings even show people swimming. elsewhere people bones are being found carefully buried in what were lakeside great yards analysis of this bones reviews they date from ten thusand and six thusand years age.
This post was generated by put listening repetition system,  Check the original dictation thread!
hw
This is essentially the foundation of a hut, it is unimaginable to see an actual how structure right there, next to what is now nothing. Hassan’s discovery is striking evidence of human habitation.
The house structure could consist of this. Circular foundation with uprights standing blocks which are taking from the local bedrock. It would have made in semi-circular structure with probably skins and branches and people would have used it as a shelter.
Hassan believes these huts could have housed a small community of around 50 people. Now he needs to know exactly when they lived here.
Ostrich eggshell beads.
These little ostrich egg beads are clearly human handy work.
They use the eggshells to make ornamental beads, cut into a circle, so that its string can pass through, so this stringed this into bracelets or necklaces.
The eggshells the beads were made from are also here, and provide the next clue.
The eggshells suggest of course there were ostriches / that’s quite remarkable for this environment to have animals like that.
This was known nomadic tribe but a settled farming community rearing animals for food.
Hassan / the Ostrich eggshell beads. The results, just 7000 years ago the deadest desert on earth was home to both human and animal life. It’s dramatic evidence of the last burst of green in the desert.
A deepened desert floor provides a clear sign that rain from the monsoon fell here.
For / here, it has been evidence of a deep lake with mud deposited.
This mud indicates a body of water that could have supported a settlement of people. When the lake is deep as we can see from these layers here, there to be a lot of visitation and a lot of animals that people would have a very good time.
At sights, all across the Sahara, scientists have excavated similar evidence of life. The remains of elephants and g/, hippos and crocodile. Remarkable cave paintings even show people swimming. Elsewhere, human bones have been found, carefully buried in what were lake side graveyards. Analysis of these bones reveals the date from between 10,000 and 6000 years ago.
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实现无障碍英语沟通
On sammi
This is essentially the foundation of a hut, it is unimaginable to see an actual house structure right there, next to what is now nothing. Hassan’s discovery is striking evidence of human habitation.

The house structures consist of this. Circular foundation with uprights standing blocks which are taken from the local bedrock. It would have made a semi-circular structure with probably skins and branches and people there builds that as a shelter.

Hassan believes these huts could have housed a small community of around 50 people. Now he needs to know exactly when they lived here.

Ostrich eggshell beads.

These little ostrich egg beads are clearly human handy work.
They use the eggshells to make ornamental beads, cut into a circle, so that its string can pass through, so this stringed this into bracelets or necklaces.
The eggshells the beads were made from are also here, and provide the next clue.
The eggshells suggest of course there were ostriches and that’s quite remarkable for this environment to have animals like that.

This was known nomadic tribe but a settled farming community rearing animals for food.
Hassan carbon dated the Ostrich eggshell beads. The results, just 7000 years ago the deadliest desert on earth was home to both human and animal life. It’s dramatic evidence of the last burst of green in the desert.

A deepened desert floor provides a clear sign that rain from the monsoon fell here.
What we have here, it is the evidence of a deep lake with mud deposited.
This mud indicates a body of water that could have supported a settlement of people. When the lake is deep as we can see from these layers here, there to be a lot of visitation and a lot of animals that people would have a very good time.

At sights, all across the Sahara, scientists have excavated similar evidence of life. The remains of elephants, gazelles, hippos and crocodiles. Remarkable cave paintings even show people swimming. Elsewhere, human bones have been found, carefully buried in what were lake side graveyards. Analysis of these bones reveals the date from between 10,000 and 6000 years ago.
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本帖最后由 sylvia_qian 于 2010-2-24 21:24 编辑

on 木葛

-This is essentially the foundation of a hut. It is unimaginable to see an actual house structure right there next to what is now nothing.

Hassan’s discovery is striking evidence of human habitation.

-The house structure consists of this: circular foundation with upright standing rocks which are taken from the local bedrock. It would have made a semi-circular structure with probably skins and branches and people would have used that as a shelter.

Hassan believes these huts could have housed a small community of around 50 people. Now he needs to know exactly when they lived here.

-Ostrich eggshell beads.

These little ostrich egg beads are clearly human handiwork.

-They used the eggshells to make ornamental beads. Cut into a circle so that a strain can pass through. So they strain this into bracelets / or necklaces.

The eggshells the beads were made from are also here and provide the next clue.

-The eggshells suggest, of course that there were ostriches, and that’s quite remarkable for this environment to have animals like that.

This was no nomadic tribe but a settled farming community rearing animals for food.

Hassan carbon dated the ostrich eggshell beads. The result: just 7,000 years ago, the deadliest desert on earth was home to both human and animal life. It’s dramatic evidence of the last burst of green in the desert. A dip in the desert floor provides a clear sign that rain from the monsoon fell here.

-What we have here is the evidence of a deep lake with mud deposited.

This mud indicates a body of water that could have supported a settlement of people.

-When the lake is deep as we can see from these layers here, there would / be a lot of vegetations, a lot of animals and people would have a very good time.

At sites all across the Sahara, scientists have excavated similar evidence of life, the remains of elephants and gazelles, hippos and crocodiles. Remarkable cave paintings even show people swimming. Elsewhere, human bones have been found carefully buried in what were lake side graveyards. Analysis of these bones reveals they date from between 10,000 and 6,000 years ago.
好栏目推荐之美国口语俚语
this is  essentially the fundation of a hut, it is unimaginable to see an actual how structure right there next to what is now nothing.
hassan's discovery is striking evidence of human habitation.
the house structure consist of this ,circular foundation with upright standing lock which are taken from the local bedrock, it would have made a semi-circular structure with probably skins and branches and people maybe used  it as a shelter.
hassan believes these huts could have housed a small community of around 50 people.
now he needs to know exactly when they lived here.
all of these ostrich eggshell beads.
these ostrich egg beads were clearly human handy work.
they use the eggshells to make ornamental beads ,cut into a circle, so as the string can pass through ,these strings, into bracelets or necklaces.
the eggshells  the beads were made from are also here and provide the next clue.
the eggshells suggest of course they were also socialism and  quite remarkable for this environment and of animals like that.
this was no nomatic tribe, but a settle forming comunnity rearing animals for food.
hassan carbon dated the ostrich eggshell beads, the resault, just 7000 years ago, the deadly desert on earth was home to both human and animal life, it's dramatic evidence of a last burst of green in the desert, a deep in the desert floor provides a clear sign that rain from the mount soon fell here. what we have here, it is the evidence of a deeply with mount deposit.
this moud indicates the body of water could have supported a settlement of people.
when the lake is deep as we can see from these layers here, then there'd be a lot of vegetation,a lot of animals ,and people would have a really good time.
as sights all across the sahara, scientists have excavated similar evidence of life, the remanins of elephants, and gazells, hippos and crocodiles. remarkable cave paintings even show people's swimming.
elsewhere, human bones have been found, carefully buried in what were  lakeside graveyards. analysis of these bones revealed they date from between 10000 and 6000 years ago.

[Homework]2010-02-24 地球的起源 EarthMade—11

this is  essentially the fundation of a hut, it is unimaginable to see an actual how structure right there next to what is now nothing.
hassan's discovery is striking evidence of human habitation.
the house structure consist of this ,circular foundation with upright standing lock which are taken from the local bedrock, it would have made a semi-circular structure with probably skins and branches and people maybe used  it as a shelter.
hassan believes these huts could have housed a small community of around 50 people.
now he needs to know exactly when they lived here.
all of these ostrich eggshell beads.
these ostrich egg beads were clearly human handy work.
they use the eggshells to make ornamental beads ,cut into  circle, so as the string can pass through,these strings, into bracelets or necklaces.
The eggshells the beads were made from are also here and provide the next clue.
The eggshells suggest of course they were all socialism and that's quite remarkable for this environment and of the animals like that.
This was no nomadic tribe but a settled farming community rearing animals for food.
Hassan carbon dated the eggshell ostrich beads. The results, just 7000 years ago the deadly desert on earth was home to both human and animal life. It's dramatic evidence of the last birth of green in the desert. A deep in the desert floor provides a clear sign that the rain from the monsoon fell here.
What we have here,  it is the evidence of a deep lake with mud deposit.
This mud indicates a body of water that could have supported a settlement of people.
When the lake is deep as we can see from these layers here, then there'll be a lot of vegetation, a lot of animals and people would have a really good time.   
as sights all across the Sahara, scientists have excavated similar evidence of life. the remains of elephants, and gazelles, hippos and crocodiles. Remarkable cave painting even show people's swimming. elsewhere human bones have been found, carefully buried in what were lake side graveyards. analysis of these bones reveals they date from between 10,000 and 6000 years ago.
This post was generated by put listening repetition system,  Check the original dictation thread!
On sylvia_qian
This is essentially the foundation of a hut. It is unimaginable to see an actual house structure right there next to what is now nothing.

Hassan’s discovery is striking evidence of human habitation.

-The house structure consist of this circular foundation with upright standing rocks which are taken from the local bedrock. It would have made a semi-circular structure with probably skins and branches and people would have used that as a shelter.

Hassan believes these huts could have housed a small community of around 50 people. Now he needs to know exactly when they lived here.

-Ostrich eggshell beads.

These little ostrich egg beads are clearly human handiwork.

-They used the eggshells to make ornamental beads. Cut into a circle so that a strain can pass through. So they strain this into bracelets / or necklaces.

The eggshells the beads , were made from, are also here and provide the next clue.

-The eggshells suggest, of course, that there were ostriches, and that’s quite remarkable for this environment to have animals like that.

This was no nomadic tribe but a settled farming community rearing animals for food.

Hassan carbon dated the ostrich eggshell beads. The result: just 7,000 years ago, the deadliest desert on earth was home to both human and animal life. It’s dramatic evidence of the last burst of green in the desert. A dip in the desert floor provides a clear sign that rain from the monsoon fell here.

-What we have here is the evidence of a deep lake with mud deposited.

This mud indicates a body of water that could have supported a settlement of people.

-When the lake is deep as we can see from these layers here, there would / be a lot of vegetations, a lot of animals and people would have a very good time.

At sites all across the Sahara, scientists have excavated similar evidence of life, the remains of elephants and gazelles, hippos and crocodiles. Remarkable cave paintings even show people swimming. Elsewhere, human bones have been found carefully buried in what were lake side graveyards. Analysis of these bones reveals they date from between 10,000 and 6,000 years ago.
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HW

This is a centrally the foundation of a hut. It is unimaginable to see an actual house structure right there, next to what is now nothing.

Hassan’s discovery is striking evidence of human habitation.

The house structure consists of this circle of the foundation with upright standing rocks which are taken from the rock, bedrock. It would have made a semi-circle structure which probably scans the branches and people would have used it as a shelter.

Hassan believes this hut could have housed around a small community of 50 people. Now he needs to know exactly when they lived here.

oyster Arkshell beads.

These little oyster arkshell’s beads are clearly human handy work.

They used the arkshells to make all the mental beads. Cut into a circle so that its trink can pass through. So this trink used into bracelets or necklaces.

The arkshells the beads were made from oyster also here and provide a next clue.

The arkshells suggest of course they were oyster shells that’s quite a remarkable for this environment to have animals like that.

This was known nomatter trib, but a settled farming community rearing animals for food. Hassan carbon dated the oyster’s arkshell beads. The result, just 7 thousand years ago the deadly its desert on earth was home to both human and animal life. It’s dramatic evidence of last burst of green in the desert. A Deepen in the desert floor provides a clear sign that rain from the monsoon fell here.

What we have here it is the evidence of a deep lake with mud be posited.

This mud indicates the body of water that could supported a settlement of people.

When the lake is deep, as we can see this layers from here, there to be a lot of visitation and a lot of animals and people route after rain with time.

As signs all across the Sahara, scientists have excavated similar evidence of life. The remains of elephants and gazelles, hipols and crackdells. Remarkable cave-paintings even show people swimming. Elsewhere, human bones have been found carefully buried in what were lakeside grave yards. Analysis to these bones reveal they date from 10 thousand and 6 thousand years ago.
On 木葛
This is essentially the foundation of a hut. It is unimaginable to see an actual house structure right there next to what is now nothing.
Hassan’s discovery is striking evidence of human habitation. The house structure consist of this: circular foundation with upright standing rocks which are taken from the local bedrock. It would have made a semi-circular structure with probably skins and branches and people would use it as a shelter.
Hassan believed these huts could have housed a small community of around 50 people. Now he needs to know exactly when they lived here.
Also eggshell beads. These little ostrich egg beads are clearly human handiwork.
They use the eggshells to make ornamental beads. Cut into a circle so that a string can pass through. So they string this into grace lace or necklaces.
The eggshells the beads were made from are also here and provide the next clue.
The eggshells suggest of course they were rushed here. That’s quite remarkable for this environment to have animals like that.
This was no nomadic tribe but a settled farming community rearing animals for food.
Hassan carbon dated the ostrich eggshell beads. The result: just 7,000 years ago, the deadliest desert on earth was home to both human and animal life. It’s dramatic evidence of the last burst of green in the desert. A dip in the desert floor provides a clear sign that rain from the monsoon fell here.
It is the evidence of a deep lake with mud deposited.
This mud indicates a body of water that could have supported a settlement of people.
When the lake is deep as we can see from these layers here, there would to be a lot of vegetations, a lot of animals and people would have a very good time.
At sites all across the Sahara, scientists have excavated similar evidence of life. The remains of elephants and gazelles, hippos and crocodiles. Remarkable carve paintings even show people swimming. Elsewhere, human bones have been found carefully buried in what were lake side graveyards. Analysis of these bones reveals they date from between 10,000 and 6,000 years ago.
口译专员推荐—>口译训练软件IPTAM口译通

[Homework]【整理】2010-02-24 地球的起源 EarthMade—11

On reference
This is essentially the foundation of a hut. It is unimaginable to see an actual house structure right there next to what is now nothing.

Hassan’s discovery is striking evidence of human habitation.

-The house structure consists of this: circular foundation with upright standing blocks which are taken from the local bedrock. It would have made a semi-circular structure with probably skins and branches and people would have used that as a shelter.

Hassan believes these huts could have housed a small community of around 50 people. Now he needs to know exactly when they lived here.

-Ostrich eggshell beads.

These little ostrich egg beads are clearly human handiwork.

-They used the eggshells to make ornamental beads. Cut into a circle so that a strake can pass through. So they strain this into bracelets or necklaces.

The eggshells the beads were made from are also here and provide the next clue.

-The eggshells suggest, of course that there were ostriches, and that’s quite remarkable for this environment to have animals like that.

This was no nomadic tribe but a settled farming community rearing animals for food.

Hassan carbon dated the ostrich eggshell beads. The result: just 7,000 years ago, the deadliest desert on earth was home to both human and animal life. It’s dramatic evidence of the last burst of green in the desert. A dip in the desert floor provides a clear sign that rain from the monsoon fell here.

-What we have here is the evidence of a deep lake with mud deposited.

This mud indicates a body of water that could have supported a settlement of people.

-When the lake is deep as we can see from these layers here, there would be a lot of vegetations, a lot of animals and people would have a very good time.

At sites all across the Sahara, scientists have excavated similar evidence of life, the remains of elephants and gazelles, hippos and crocodiles. Remarkable cave paintings even show people swimming. Elsewhere, human bones have been found carefully buried in what were lakeside graveyards. Analysis of these bones reveals they date from between 10,000 and 6,000 years ago.


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