只用一本书提高英语听力能力!重温经典名著双语阅读小编推荐:跟着纪录片学英语不背单词和语法,轻松学英语
返回列表 回复 发帖

[BBC] 【整理】BBC 2009-03-24

提高英语听力能力 找对方法很重要!

 

 

Scientists in United States say there’s new evidence for the concept of cold nuclear fusion. Adhered to theoretical process, it promises a cheap and abundance source of energy. Matt Mcgrath has more.

There was a great deal of scientific excitement in March, 1989 when researchers first declared they’ve produced nuclear energy using simple laboratory equipment. The hopes of endless cheap power supplies were short lived as other scientists failed to reproduce what was termed cold fusion. Some experts refused to give up on the idea that imitated the energy source of sun at room temperatures. Now at a meeting of the American Chemical Society in Utah, researchers say they have the first clear visual evidence that the process of cold fusion can produce highly energetic neutrons--particles that suggest that nuclear reactions are occurring.

 

The American cyclist and 7 time Tour de France winner Lance Armstrong has broken his collarbone in a crash during a race in Spain. He was taken to hospital after a pileup and said that if he needs surgery this could scupper his chances of competing in the Tour de France in July. Armstrong , who’s 37 , returned to competitive cycling earlier this year ,three years after saying he’d retired from the sport.

 

1

评分次数

  • Alert!

晴空一鹤排云上,便引诗情到碧霄
返回列表