题目内容

Today, Extreme Free Diving sinks to depths approaching 400 feet, sing weights to help them descend vertically into the big blue depths of cold and darkness that surround the earth. ______ Extreme Free Diving is truly a breathtaking sport. One day adding the word" Deeper" to the Olympic motto of" Swifter, Higher, Stronger" looks like a sure bet. The legendary Yorgos Haggi Statti would wipe water from his eyes, smile, and nod in approval.A. Free divers like Italian Umberto Pelizzari and Cuban Pipin Ferreras frequently break world records by diving without the use of wet suits, fins, or oxygen tanks.B. Extreme Free Diving has become very competitive and is exploding in popularity with "extreme" divers wherever athletes live near a sea.C. If accepted into the Olympics, EFD could make the Olympics’ organizers think about adding a new Latin term into the motto that we could translate as "Deeper,"D. Most of us think of deep water diving as the use of snorkels (通气管), masks, and fins to help us dive down beneath the surface of the water.E. Scuba (水中呼吸器) divers wear wet suits made out of material to protect against the cold; they need oxygen and other equipment that enable them to safely breathe while traveling deep beneath the surface of the sea.F. But is it the ultimate underwater extreme sport for those who like to live on the edge

查看答案

搜索结果不匹配？点我反馈

更多问题

These countries aim to exploit two contradictory facts: information can now be stored anywhere, but energy is most efficiently consumed close to the source. ______ Internet Villages International has joined up with Atlantis Resources, an engineer of ocean turbines, to develop technology that could power local data centers with energy from Scotland’s rugged seas. Another company, Lockerbie Data Centres, is planning a green home and business community centered on a clean-energy data facility that runs on wind farms and a biomass plant.A. Thus several Scottish IT developers arc now planning nearly $3 billion in green data centers that tap into Scotland’s clean-electricity grid, 20 percent of which comes from renewables like wind.B. Google disputes this number, but there’s little doubt the IT industry is becoming one of the biggest contributors to global warming.C. Iceland, struggling to recover from the financial crisis, may be even better poised to become a green data hub.D. In the U. S. , data centers now account for 1.5 percent of total electricity use, and that’s expected to double by 2011.E. And a handful of cold northern nations are now looking to attract a piece of the $110 billion global industry.F. Giant Internet companies are usually secretive about the size of their data centers and the energy they use, but Google says nine of its largest centers use at least 45 megawatts total, eight times the size of Verne Global’s metri

A dog was _____ by a bus and killed.

The journey usually takes six weeks but you should _____ delays caused by bad weather.

By the fourth week of July conditions in the tropics lay balanced between life and total death. Then quite suddenly rain clouds appeared over the whole globe. The temperature declined a little, due no doubt to the clouds reflecting more of the Sun’s radiation back into space. ______ Warm rain fell everywhere, even as far north as Iceland. The insect population increased enormously, since the burning hot atmosphere was as favorable to them as it was unfavorable to Man many other animals.A. All human movement ceased.B. More than seven hundred million persons are known to have lost their lives.C. A mysterious "black cloud" approaches the earth-our planet’s weather is severely affected.D. Occasionally air-conditioning units failed and it was then that fatalities occurred.E. There was nothing to be done but to lie breathing quickly as a dog does in hot weather.F. But conditions could not be said to have improve