【英语时差8,16】章鱼使用工具-上

Chimps do it. Dolphins do it. Even crows that want to catch fish do it. But an octopus? Yes, it seems the smartest member of the invertebrate world has learned how to use a tool. Octopuses have a reputation for being clever. They can figure out how t

【英语时差8,16】皇家格林尼治天文台

The Royal Observatory Neil: Its the Prime Meridian line. Yang Li: Its the centre of world time and space. Neil: Its the Royal Observatory at Greenwich. Im David Rooney and Im the Curator of timekeeping here at the Royal Observatory in Greenwich. Well

【英语时差8,16】培育葡萄

Grapes are one of mans oldest cultivated crops. Ancient hieroglyphics show Egyptians harvesting grapes. Greeks, Phoenicians, and Romans used grapes for food as well as wine. Today, about seventy-percent of harvested grapes are used to make wine. Wine

【英语时差8,16】赫尔

Hull Jo:Now, today Jean, I thought Id introduce my home town to everyone. Jean: Your home town? Where is that then? Jo: Well its a place called Hull. I spoke to Karen, who has lived in the city on and off for a number of years. Where in Britain is Hu

【英语时差8,16】怎样抓住棒球？

Learning To Catch Its a line drive headed straight for your glove. All you have to do is close your hand at the right moment. It takes only about fourteen one-hundredths of a second to close your hand around a baseball. But in that time, a baseball g

【英语时差8,16】地质活动引发地震和火山喷发

The idea of plate tectonics explains volcanoes as well as earthquakes. Many of the world's volcanoes are found at the edges of plates, where geologic activity is intense. The large number of volcanoes around the Pacific plate has earned the name Ring

【英语时差8,16】海底扩张理论

Support for Alfred Wegener's ideas did not come until the early nineteen-fifties. American scientists Harry Hess and Robert Dietz said the continents moved as new sea floor was created under the Atlantic Ocean. They said a t hin valley in the Atlanti

【英语时差8,16】章鱼使用工具-下

But observations of veined octopuses, known as Amphioctopus marginatus, off the coast of Indonesia surprised scientists. Not only do they use coconut shells to hide beneath, they carry the shells with them. Carrying coconut shells is no small feat fo

【英语时差8,16】快速约会-上

Today were looking at something which has become very popular in Britain: speed dating. To tell us about speed dating, were going to meet a young British man called Adam, who is looking for love. Well you turn up at the venue, which is often a pub. A

【英语时差8,16】英国人的外语能力-上

Do people in Britain speak other languages? Are they any good at learning foreign languages? Lindsey is a secondary school teacher. Let's hear from her first. They speak a lot of European languages. You have to do French or German and that's compulso

【英语时差8,16】耳石-上

Ear rocks, also known as otoliths, are tiny pebbles of calcium carbonate in our inner ear that help keep us balanced. Theyre located deep inside the inner ear in a small pouch called a utricle. When we move our heads, the tiny rocks move around and b

【英语时差8,16】处置核废弃物-下

But there are problems with each of these ideas. For example, it would be difficult to monitor nuclear waste under the ocean floor. Waste buried deep in the earth, meanwhile, might contaminate ground water.And as ice sheets continue to melt, its hard

【英语时差8,16】处置核废弃物-上

Whats the best way to dispose of nuclear waste? And is it true that scientists have considered sending it into space? Good question. To answer the second part firstyes, sending nuclear waste into space has come up. But if a rocket or space shuttle ca

【英语时差8,16】向心力与头晕-下

A force is required for an object to move in a circle, as is the case with a merry-go-round. This force is called a centripetal force. Generally speaking, the larger the circle you move in, the greater the centripetal force you experience.So, the far

【英语时差8,16】眼睛快速扫视-上

Have you ever noticed that you cant see your eyes move when you look in a mirror? Put your face close to the bathroom mirror and look yourself in the eye. Notice the appearance of your eyes. Now, without blinking, look down at your nose, but continue

【英语时差8，16】谈谈网游

Amanda: What are you doing on the computer? You've been sitting there for eight hours straight! What could be so interesting that you haven't eaten anything and haven't even gotten up to use the washroom? Mike: It's this new online game that just cam

【英语时差8，16】每人都做

In a famous public service announcement aimed at discouraging littering, people were shown littering along US roadways, followed by the image of a tearful Native American chief witnessing this neglect of the environment. According to psychologist Rob

【英语时差8，16】指纹

Yael: They say that no two fingerprints are alike, but my daughter's fingerprints sure look similar to mine. Don: While the intricate details of an individual fingerprint are unique, pattern types and the overall size, shape, and spacing of the ridge

【英语时差8，16】传统玩具圣诞节欧洲赚大钱

Six-year-old Lucas has a Power Rangers video game, a few robots and lots of teddy bears. But the toy he likes best is a wooden train set made by Brio, a 123-year-old manufacturer based in Sweden. I like to see the train go round and round the tracks

【英语时差8，16】圣诞节大受欢迎的天使

Angels are found in various and sundry ways at Christmas－from garishly blinking figures made of plastic to biblically-inspired images dressed in classic garments. Those who opt for such items as gifts or decorations quickly find themselves dealing