- 默认语种:
- 播放器快捷键:
-
(F8:播放/暂停 F9:复读)
(F7:播放/暂停 F8:复读)
【科学60秒】时光之树——寻找物种起源
听力简介:
文章较难,大家听写填空即可~
There’s a cool new Web site—and iPhone app—that could ____1____ in a wide variety of circumstances. It’s called Time Tree. And it tells you how closely related any two organisms are over time. In other words, it’ll tell you what the available data say is the time since any two organisms shared a common ancestor. Time Tree is ____2____ run by Penn State’s Blair Hedges and Arizona State’s Sudhir Kumar.
So let’s say you’re out for a walk in the woods, with your iPhone handy, and you ____3____ a grizzly bear. You quickly load the app and ____4____ the two organisms you’re interested in. Those would be you, a human, and grizzly bear, the thing that’s approaching you alarmingly fast. In just a couple of seconds, you are informed that you and the grizzly bear shared a common ancestor just 98.2 million years ago.
If you have a computer and are just curious about the grizzly bear, go to timetree.org. The results average the findings of published papers ____5____ your search and include links to the papers.
请在登录后才能看到内容!
请在登录后才能看到内容!
本文暂未收录注解!
参与沪友(已有236人听写,点击头像查看Ta的听写详情)
听写信息
生词本小D词典
相关网校
注意事项
- 听力练习标点符号不纳入正确率。
- 每天奖励上限为40沪元。
- 无听力原文时提交听写作为参考内容。
- 提交听写后根据正确率来奖励沪元。
- 获取听力mp3下载资源可选择相应下载方式。
- 程序校对,仅供参考,机器做不到人工智能,请大家谅解。