英语 英语 日语 日语 韩语 韩语 法语 法语 德语 德语 西班牙语 西班牙语 意大利语 意大利语 阿拉伯语 阿拉伯语 葡萄牙语 葡萄牙语 越南语 越南语 俄语 俄语 芬兰语 芬兰语 泰语 泰语 泰语 丹麦语 泰语 对外汉语
当前位置:主页 > TAG标签 > 托福素材
  • SSS 2010-12-28

    This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? As you get jostled in the daily rough and tumble, does it feel like other people care less about how rough you have it and how much youre getting tumbled? Well, your suspi...

  • SSS 2010-12-27

    This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? As a bitter winter storm rages on the east coast, it's hard to knock being warm-blooded. But what about the metabolic cost of maintaining a high body-temperature? Well,...

  • SSS 2010-12-24

    This is Scientific Americans 60-Second Science. I'm Karen Hopkin. This will just take a minute. Pop-pop! Its so good to see you. How are you? Mans voice: Good, good. How are those knees holding up? And the old ticker? Man: Fine. Cant complain. What m...

  • SSS 2010-12-21

    This is Scientific Americans 60-Second Science. Im KarenHopkin. This will just take a minute. Think of a qualitythat defines a strong leader. Do I hear: dynamic, driven, decisive, original?Well, I probably didnt hear original , because people who are...

  • SSS 2010-12-20

    This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Sticks and stones may break some bonesunless you're a young female chimp. In that case, you're more likely to cradle your stick like a dollie. That findi...

  • SSS 2010-12-17

    This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. They call it culturomics: the obvious play on the word genomics looks at trends in human thought and culture. But scientists say culturomics has been h...

  • SSS 2010-12-16

    This is Scientific Americans 60-Second Science. I'm Cynthia Graber. This will just take a minute. 'Tis the season when were eating. And we want to be sure that the kitchen staff are following protocols that keep us from getting sick. So how best to h...

  • SSS 2010-12-15

    This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Rats have long been guilty of spreading disease. But now they've gone into the diagnosis side. Because rats can be trained to spot tuberculosisand to do...

  • SSS 2010-12-14

    This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. In the spring of 1912 an iceberg in the Atlantic took down the Titanic. Now, some humble bacteria are trying to finish the job. Scientists analyzing rust f...

  • SSS 2010-12-13

    This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Galileo first spotted Saturn's rings 400 years ago. But since then, scientists have been stumped about how they got there. Because the rings are almost pure wa...

听力搜索