英语听力：自然百科 退田护河

Out of the Blue Ridge Mountains in northwest Georgia, the cold waters of the Conasauga River descend toward Tennessee. Flowing back and forth across the state line, the River's abundant wildlife and unspoiled beauty is a remnant of the past--a fading

英语听力：自然百科 残疾乌龟重获自由

Arava, the disabled tortoise is using her new set of wheels to get around in more ways than one. Keepers at the Jerusalem Biblical Zoo say the 10-year-old Spurred Tortoise was fitted with custom wheels to overcome paralysis of her hind legs. The 55-p

英语听力：自然百科 盂兰盆节的“醉汉舞”

Celebrations in honour of the dead take place in July and August in Japan. Prayers are set and graves are tended during the festival of O-Bon. In Tokushima city around 100 thousand costumed people dance in the streets. This is an incredible scale, th

英语听力：自然百科 南极生存大作战

In Antarctica, everyday is (an) Olympic one. These Emperor Penguins are near the end of a two-week fishing marathon, bringing food for their hungry chicks, waiting miles away. But a challenger threatens the entire competition. A Leopard Seal waits at

英语听力：自然百科 沼泽国家公园

The Florida Everglades are home to alligators, dozens of bird species, beautiful flowers and exotic plants. It's easy to see what attracts people to these places. But Florida's population growth, coupled with farms that require a never-ending supply

英语听力：自然百科 鸵鸟蛋·豺狼·秃鹰

Here we are on the Serengeti Plain in Africa, where an ostrich has abandoned an egg and a hungry jackal means to make a meal out of it. What weve got here is a highly motivated animal trying and failing to figure out this culinary conundrum. Its just

英语听力：自然百科 火烈鸟与狒狒

This is East Africa, the Great Rift Valley, a land in constant upheaval. The flamingos and baboons here at Lake Bogoria live in harmony. They share this landscape and all it has to offer. They may not be compatible. But in the midst of Bogoria's boun

英语听力：自然百科 环保教堂

At Madison Christian Community, they gather each Sunday to worship a higher power. These days, seeing the light means much more. My prayer now is God, let your light shine in my life. So, I am always happy when the sun is shining. Pastor Jeff Wild ap

英语听力：自然百科 黑峡谷国家公园

The warm glow of the summer morning settles on the slopes of western Colorado. But as the sun climbs higher, deep shadows shield the landscape that remains dark and forbidding. It is among the nation's deepest, steepest and narrowest canyons. You may

英语听力：自然百科 蒙古族生活日渐消失

The herdsmen of Inner Mongolia have freely roamed the plains for many centuries with their livestock grazing on fertile grasslands stretching across the horizon. But now their age-old customs are being stamped out because of relocation the Chinese go

英语听力：自然百科 海湾地区重兴珍珠采集业

Tucked away in the United Arab Emirates northernmost region, a very delicate experiment is underway to bring some luster back to the regions pearl industry. Since 2005, one company has been cultivating pearls commercially, the first such modern opera

英语听力：自然百科 特立尼达岛上的独特鸟类

Dawn on the tropical island of Trinidad. Birds are arousing in the trees, calling, flashing brilliant colors amidst the endless shades of green, and Roger Neckles is arousing too. For the last decade, he has been documenting the island's winged inhab

英语听力：自然百科 ''环保''的高尔夫球场

Millions of Americans enjoy playing golf. But golf courses are not known to be environmentally friendly. They demand a lot of fresh water, fertilizers and herbicides to keep them looking green. Thats true of most golf courses. But lets look at one th

英语听力：自然百科 生存危机下的人体反应

In animals, this part of the brain evolved around the time of the dinosaurs before mammals existed. It's hardwired to beat starvation. For three days Jean-Luc has been trapped underground. He hasn't had a morsel to eat. He doesn't know it, but his br

英语听力：自然百科 Diving to China's Great Wall 水中长城

Members of a Beijing diving club had the chance to experience China's Great Wall in a way few others have by exploring a section of the landmark that was submerged in the cloudy waters of a reservoir. There is no doubting that the Great Wall of China

英语听力：自然百科 Dinosaur Mummy's Meal Revealed “恐龙木乃伊”面世

With the exception of the trains that roll in the town a couple of times a day, the small ranch town of Malta, Montana is pretty quiet these days. The landscape is a far cry from what it was 77 million years ago when dinosaurs roamed the area. The no

英语听力：自然百科 Atom Smasher Safe 粒子对撞实验可能毁灭地球？

The most powerful atom smasher ever built could make some bizarre discoveries, such as new forces of nature or even extra dimensions of space, after it's switched on in August. The Large Hadron Collider, or LHC, basically consists of a ring of superc

英语听力：自然百科 Malaria 非洲抗疟疾任重道远

Carried by the female anopheles mosquito, malaria is a disease of the poor. In rural Africa, it is killing the young and the vulnerable. The need for a vaccine which would dramatically reduce mortality has never been greater. Dedicated teams of scien

英语听力：自然百科 Lie Detector 测谎仪的奥秘

It might be the cheeks flushing with embarrassment or a voice choking with emotion. Our physical reactions can reveal what we truly feel. And some think they can show when someone's lying. Typically when a person tells a lie, they begin to sweat. I'm

英语听力：自然百科 Shaolin monks 身怀绝技的少林和尚

The Shaolin monks of China are famous for fighting skills and acrobatics, but above all, for their ability to somehow manage their senses. Does this really not hurt or do they just not mind the pain? To prepare themselves for their grueling acts, the