文章列表

• 1.听力文摘：地球为什么是圆的？
• Why the Earth Is Round? 地球为什么是圆的？ Our never-thought to ask question for today is: Why is the earth round? Why not a cube? A cube? No, that's ...
• 2.听力文摘：日光浴床安全吗？
• Are Tanning Beds Safe? 日光浴床安全吗？ Millions of people go to tanning salons, some to get a base tan before they go away on a beach vacation. The i...
• 3.听力文摘：有机污染物
• Organic Pollutants 有机污染物 Yes,eating organic foods is a great way to reduce the amount of pollutants in your body, but you can't entirely escape p...
• 4.听力文摘：辩论术/ 法医学
• Forensics 辩论术/ 法医学 A murder has been committed. The scene of the crime is a secluded area. There were no witnesses, and the body is considerably...
• 5.听力文摘：日出还是日落？
• Sunrise or Sunset? 日出还是日落？ Ya?l: Don? 唐？ Don: Yes, Ya?l? 怎么了，亚尔？ Y: We've been in this art museum for 5 hours now. And you've spent th...
• 6.听力文摘：太阳也在自转？
• As the Sun Turns 太阳也在自转？ Everyone knows that the earth turns. 大家都知道地球会自转。 As a matter of fact, the sun turns too. Altough a lot of p...
• 7.听力文摘：啄木鸟和真菌
• Woodpeckers and Fungus 啄木鸟和真菌 W:Woodpeckers puncture the bark of dead or dying trees, also known as snags, to find the wood-boring insects that ...
• 8.听力文摘：漂浮的热气球
• Why is it that you can't put down hydrogen gas? If you had a big balloon full of hydrogen gas, like the first gondola balloons pioneered in 18th-centu...
• 9.听力文摘：眯眼睛真的有效吗？
• Is squinting really that effective? 眯眼睛真的有效吗？ Male: Thanks for coming on this fact-finding trip with me and share the driving. 谢谢你来跟同我...
• 10.听力文摘：一只眼睛发光的蝴蝶
• a butterfly with glowing eyes 一只眼睛发光的蝴蝶 Believe it or not, Monteiro and her team inserted a new gene into the butterfly's genetic sequenceone...