单词:
单词: 相关文章
The Rabbits Who Caused All the Trouble Written by James Thurber Within the memory of the youngest child there was a family of rabbits who lived near 1) a pack of wolves. The wolves announced that they
WHO Confirms Bird Flu Virus Caused Human Deaths in Vietnam Katherine Maria The World Health Organization has confirmed that at least three people have died of bird flu in Vietnam, the same virus that
[00:36.08]1.What was the conference about? [00:41.04]2.What did they discuss at the meeting? [00:46.29]1.It was all about the danger that is being caused to the world. [00:54.54]2.Pollution,agriculture,nuclear waste,radiation,population and so on. [0
Scientists Say Climate Change Is Real and Human-Caused 科学家称气候变化是人类活动所造成 From VOA Learning English, this is Science in the News. Im Katherine Cole. And Im Christopher Cruise. Today we tell about a United Nations report
KELLY MCEVERS, HOST: There are a lot of reasons why people get cancer. Sometimes it's exposure to something toxic like smoke. Sometimes it's just bad genes. New research finds most of the genetic mutations that lead to cancer crop up naturally, and t
Ya?l: Today on A Moment of Science, global warming . . . D: Uhm, right . . . Y: That's your cue, Don. D: I know, Ya?l . . . but . . . Y: What's wrong? D: Well, we're a science program, right? And I know that the accepted scientific wisdom is that hum