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2020托福听力练习：木星大红斑释放神秘能量（下载）
For most people, Jupiter's most recognizable—and mysterious—feature is the Great Red Spot. For centuries, astronomers have watched the storm spin across the giant
托福听力2020-07-08 -
2020托福听力练习：人工养殖鳟鱼以满足食用需求（下载）
Half of all fish people eat worldwide now come from fish farms. So farms need to do more to keep up with demand. "If we look to the future, at today's per capita fish intak
托福听力2020-07-08 -
2020托福听力练习：加固水坝有利鱼类繁殖（下载）
In the early 19th century the fur industry reached what was then known as the Oregon Territories. Lewis and Clark found massive numbers of Pacific salmon and steelhead trout th
托福听力2020-07-08 -
2020托福听力练习：鸡味可驱蚊防疟疾（下载）
In Africa's battle against malaria, two low-tech tactics—insecticides and bed nets—have done a decent job killing off mosquitoes. "But it's mainly one species tha
托福听力2020-07-08 -
2020托福听力练习：人耳听到的声音优于CD品质（下载）
Jay Z's "Tidal" platform promises listeners CD-quality streaming music, in all its 44.1 kilohertz, 16 bit glory—much better, they say, than compressed files, like mp3s.
托福听力2020-07-08 -
2020托福听力练习：公路噪音掩盖鸟类求救信号（下载）
It may not be the most melodious bit of birdsong you'll ever encounter. [Titmouse alarm call]. But this particular call, issued by a tufted titmouse, conveys important informa
托福听力2020-07-08 -
2020托福听力练习：美国政府拟用无人机发射疫苗保护濒危雪貂（下载）
A recent headline on the Web site theverge.com got a lot of attention on social media. Because each new phrase seemed to take the message in an unexpected direction. The headli
托福听力2020-07-08 -
2020托福听力练习：嘈杂环境中青蛙发出视觉信号（下载）
Ask anyone what sound a frog makes and they'll probably say ribbit. But there's only one frog that makes that sound:the Pacific chorus frog. It may have become the go-t
托福听力2020-07-07 -
2020托福听力练习：农田土壤物质变成大气微粒（下载）
There's nothing like that fresh, rain-washed air after a storm, right? The idea has always been the rain is cleaning. Mary Gilles, a chemist at Lawrence Berkeley Lab.
托福听力2020-07-07 -
2020托福听力练习：对赌博的好奇心理使科学受益（下载）
“It's not just gamblers using science. In many cases, science has benefited enormously from people studying the house.” Mathematician Adam Kucharski. He'
托福听力2020-07-07 -
2020托福听力练习：唱歌缓解癌症患者紧张情绪（下载）
This isn't your typical choir practice. And it’s not held in a traditional practice space. These singers are all dealing with cancer, theirs or a loved one’s
托福听力2020-07-07 -
2020托福听力练习：大迁徙导致遗传多样性（下载）
It's called the Great Migration—the journey of some six million African-Americans from the rural south to northern and western cities between 1910 and 1970. The cultural
托福听力2020-07-07 -
2020托福听力练习：揭示人类同蜂蜜的关系（下载）
You have bees to thank every time you drizzle some honey into your tea. And the human-honeybee relationship is long-standing. Iconography of honeybees adorns 4400-year-ol
托福听力2020-07-07 -
2020托福听力练习：害羞的鱼类更喜欢追随同样胆小的鱼（下载）
When you think of a leader, you may think of an individual who is above all bold. But a new study of fish called sticklebacks shows that shy individuals actually prefer to foll
托福听力2020-07-07 -
2020托福听力练习：老鼠用唱歌吸引异性（下载）
How do you attract a mate? If you're a male mouse, you take the Frank Sinatra approach—you sing. Scientists have known about crooning male mice for years. And p
托福听力2020-07-07 -
2020托福听力练习：水熊顽强生命力（下载）
Forget cockroaches. Forget Superman. Forget any other tough-as-nails creatures you've ever heard of. The most indestructible multicellular organisms on Earth are undoubtedly t
托福听力2020-07-07 -
2020托福听力练习：仅凭大脑或能感知味觉（下载）
Back in ancient times, philosophers like Aristotle were already speculating about the origins of taste, and how the tongue sensed elemental tastes like sweet, bitter, salty and
托福听力2020-07-07 -
2020托福听力练习：北极苍蝇面临的未来（下载）
The Greenland High Arctic is a bare, sparse place. Rather than tall trees, it has tundra—ground hugging vegetation—and rugged, Lord-of-the-Rings-style vistas. "Well
托福听力2020-07-07 -
2020托福听力练习：麦克风听海洋动物声音（下载）
"My colleagues and I always joke that one of the Jacques Cousteau movies starts out with something like the ocean is a silent place. “And, you know, it's anything but
托福听力2020-07-07 -
2020托福听力练习：沥青路自主融冰技术（下载）
恒星英语网为大家带来2020托福听力练习：沥青路自主融冰技术（下载），希望对大家有所帮助!更多内容请随时关注恒星英语网! Every winter some 20 million tons of salt are dumped on Am
托福听力2020-07-07 -
2020托福听力练习：宇宙藏宝图寻找外星生物（下载）
Carl Sagan once referred to our home planet as a mote of dust suspended in a sunbeam." And that poetic description holds true for a lot of exoplanets, too. In fact one of
托福听力2020-07-07 -
2020托福听力练习：气候变化影响美西南部针叶林（下载）
As you sit round the Christmas tree, consider the TLC you give O Tannenbaum:plenty of water and a relatively comfortable climate. Wouldn't want to dry out the tree, after a
托福听力2020-07-07 -
2020托福听力练习：非联网状态下电脑遭入侵（下载）
Connecting your computer to the Internet gives would-be spies an obvious entry point to your machine. But other ways exist to snoop. Because even computers that aren't c
托福听力2020-07-06 -
托福听力：听力开头意味着什么?
托福听力有34道题目!哪些信息是树枝和树叶呢?听力中应该抓住哪些重点内容?笔记又该如何做?读完这篇文章，相信会对你有很大帮助! 开头是重点!不管是对话还是讲座。开头一般都固定了一定是
托福听力2020-07-06 -
托福听力：托福听力解析
纵所周知，托福考试是得听力者得天下，它对除阅读以外的口语和写作有直接影响，因此听力基础不扎实，分数提不上来，总分突破80也是比较困难的。往往此类学生的听力分数徘徊在15-18分，他们的
托福听力2020-07-06
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