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In this barren sea of sand, it's harder for larger animals to find enough to eat. You've got to be a real specialist, like the Namib sand snake. By sidewinding, it can swim its way up the dunes. But i
Pinning the ants to the hot sand surface, the spiders first cook them to death before dragging them under. In the Namib, even the toughest animals struggle with the heat. Gemsbok trek to the crests of
Each melon is a valuable package of moisture and seeds. The plant also benefits from this plunder as its seeds may be carried for fifty kilometers in the elephant's stomach before being dropped in a p
On certain nights, the secret is revealed. Warm, damp air moving in from the mid-Atlantic is transformed to fog as it crosses the cold coastal current. A vast blanket of moisture steadily rolls across
It took a ten-meter layer of fallen rain forest to make just a one-meter seam of coal. When you consider the depth of all the seams in all the coalfields worked in Europe, from Britain through to nort
Lesson 29 The hovercraft 气垫船 First listen and then answer the following question. 听录音,然后回答以下问题。 What is a hovercraft riding on when it is in motion? Many strange new means of transport have been developed in our century
Jack looked around widely, dark figures and horses were gallopingacross the sand towards them. They were yelling and shouting. Oh! No! cried jack. What shall we do? We will fight them off! Said mammon. You and Anne take box rightto the dunes. Mammon
Tough new austerity measure in Spain have sparked violent protests. Police have fired rubber bullets at striking miners in the capital, Madrid. Thousands of people took to the streets to protest against the sweeping Tax rises and spending cuts. An Au
We were a small clutch of a nation between the wars, mapping and re-exploring. We gathered at Dakhla and Kufra as if they were bars or cafes. An oasis society, We knew each others intimacies, each others skills and weaknesses. We forgave Bagnold ever
From the air, Namibia looks almost uninhabited . Boom towns near depleted diamond mines lie abandoned. Shipwrecks dock the beaches of the skeleton coast. Salt pans, the largest in Africa , reflect sterile white light. 1,200 feet high sand dunes cres
The farmland of Wang Yang-tang in Hubei province lies abandoned. Over the last century, sand has devoured the rich pastures. As sand dunes edge closer to Beijing each year, Northern China's rapidly turning into desert. Shen Zhao-xiang, the director
Golf: There's nothing like it! 高尔夫 没有比它更好的运动了! When most people think of golf, they probably think of Tiger Woods jet-setting to golf courses around the world winning prestigious tournaments and making a lot of money. It s
Remember these? Sunshine, waves, lazy days, lounging in lazy rivers. It wasn't that long ago but now you are back to this. If you are feeling run down, cranky, a little bit depressed these days, you may be suffering from something called PVS, Post Va
The farmland of Wang Yang-tang in Hubei province lies abandoned. Over the last century, sand has devoured the rich pastures. As sand dunes edge closer to Beijing each year, Northern China's rapidly turning into desert. Shen Zhao-xiang, the director o
The center of the Sahara Desert in North Africa, one of the driest places on earth. I'm over six hours drive from civilization. Temperatures here regularly reach 100 degrees Fahrenheit, but there's less than half an inch of rainfall each year. Ah,the
Todd: So, Mark, what do Kiwis like to do in the summer? Mark: Yeah, I think the first thing for some people to realise is that Christmas is midsummer in New Zealand. Todd: Oh nice! Mark: So Kiwis combine Christmas holiday and New Year holiday with a
岩石圈LITHOSPHERE 固态地球SolidEarth 洞穴Caves 地震活动Seismicactivity 地震监测Seismicmonitoring 火山Volcanoes 风蚀Winderosion 陆地生态系统TERRESTRIALECOSYSTEMS 土壤Soils 农
Todd: So, Mark, what do Kiwis like to do in the summer? Mark: Yeah, I think the first thing for some people to realise is that Christmas is midsummer in New Zealand. Todd: Oh nice! Mark: So kiwis combine Christmas holiday and New Year holiday with a
By Aunshuman Apte Rockville, Maryland 07 August 2007 Many children struggle with reading aloud in class. To help them improve and build confidence, an innovative program uses dogs to create a casual way to help students with special learning needs ex
I got to keep the left to smoke,too fall to the right might dash to the rocks. 我必须让自己降落在烟雾弹的左边 太右边的话就会撞上岩石 It's very very tiny thing.Lake surfaces' feature is grand,and so hard to judge in the pack