[00:05]Hydrogen is the fundamental element of the universe in that it provides
[00:10]the building blocks from which the other elements are produced.
[00:20]Several massive leakages of customer and employee data this year-
[00:26]from organizations as diverse as Time Warner,
[00:29]the American defense contractor Science Applications International Corp
[00:34]and even the University of California.
[00:43]In 1950, the U.S. spent $12.7 billion on health care.
[00:50]In 2002, the cost will be $1540 billion.
[00:56]Anyone can see this trend is unsustainable.
[01:00]Yet few seem willing to try to reverse it.
[01:11]The effects of the levitation on the mice could provide insight into
[01:16]how to prevent adverse health effects - like bone loss - on astronauts
[01:22]who spend long periods of time in low gravity.
[01:32]Stars twinkle, the moon beams; thousands upon thousands of people,
[01:37]from gum-chewing Babbitts to omniscient Congressmen,
[01:42]traverse the Atlantic year after year.
[01:49]Obama did manage to come away with a modest pledge by the Chinese government
[01:54]on global warming, a useful ingredient in persuading Congress
[01:59]to take on the issue but a relatively minor prize.
[02:11]As a linguist, he acknowledges that all varieties of human language,
[02:16]including non-standard ones like Black English,
[02:20]can be powerfully expressive-there exists no language
[02:24]or dialect in the world that cannot convey complex ideas.
[02:29]He is not arguing, as many do, that we can no longer think straight
[02:33]because we do not talk proper.
[02:41]A: The paper says the wild fire sprawled very quickly
[02:45]on the mountains of California last week and damaged many homes.
[02:51]B: Yeah, I watched it on TV.内容来自 听力课堂网：http://www.tingclass.net/show-8124-237681-1.html