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 > 托福听力材料
  • SSS 2010-08-13

    This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? You don't have to be a champagne buff to want the best flavor from your bubbly. So the secret to a perfect glass? It's all in the pour, according to a study in...

  • SSS 2010-08-12

    Ahhh, sleep. Theres nothing better than a nice, long, uninterrupted [LOUD NOISE]. Awwgh. I cant sleep when theres [NOISE]. But dya ever notice: noise [NOISE] doesnt wake everyone. Now scientists have a better idea why. Because sound sleepers show a c...

  • SSS 2010-08-11

    Theres nothing like a good steak. And our Australopithecus afarensis ancestors apparently felt the same way. Because new discoveries from Ethiopia show that what was likely the species of the famous fossil Lucy used stone tools to butcher meat from b...

  • SSS 2010-08-10

    Thats what it might sound like if I had a tongue stud, hitting my teeth. Maybe youve seen people with studs in their tongue clicking it up against their front teeth, a move known as playing. But it turns out that the habit may destroy some smiles. Un...

  • SSS 2010-08-09

    Blue whales off the California coast make calls that, sped up 10 times, sound like (sound of two-part call). The original is a wall-rattling frequency too low for us to hear. Scientists analyzed around 2,500 of those calls, and found that the second...

  • SSS 2010-08-06

    One of the concerns about working with genetically modified crops has been that vegetation growing in agricultural fields might escape out into the world. Now, for the first time in the U.S., researchers report a large population of GM crops beyond t...

  • SSS 2010-08-05

    This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute Declining frog populations are considered an indicator of environmental damage. But new research finds that frogs might be doing even worse than we thou...

  • SSS 2010-08-04

    This is Scientific Americans 60-Second Science. Im Adam Hinterthuer. Got a minute? Heres a possible blood pressure remedy. But its only for those who can stand the heat. Its capsaicin, the active ingredient in peppers like habaneros that should pro...

  • SSS 2010-08-03

    Why arent there more women physicists, and in senior positions? One factor may be unconscious biases that could keep women physicists from advancingand may even prevent women from going into physics in the first place. Amy Bug, a physicist at Swarthm...

  • SSS 2010-08-02

    This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will take just a minute. As many of us broil in August heat, the Mars Rover Spirit is hunkered down to survive a far more brutal seasona Martian winter. Spirits been on Mars sinc...

听力搜索