标签：小白鼠实验 相关文章

新东方优美背诵短文50篇 Unit27:Scientific Theories

27. Scientific Theories In science, a theory is a reasonable explanation of observed events that are related. A theory often involves an imaginary model that helps scientists picture the way an observed event could be produced. A good example of thi

发表于:2018-12-08 / 阅读(334) / 评论(0) 分类 新概念优美背诵短文50篇

国家地理-2008-07-17 Atom Smasher Safe 粒子对撞实验可能毁灭地球？

The most powerful atom smasher ever built could make some bizarre discoveries, such as new forces of nature or even extra dimensions of space, after it's switched on in August. The Large Hadron Collider, or LHC, basically consists of a ring of super

发表于:2018-12-30 / 阅读(141) / 评论(0) 分类 国家地理2008年

美联社新闻一分钟 AP 基因编辑婴儿研究者公开谈论实验

This is AP News Minute. Republican Senator Cindy Hyde-Smith won Mississippi Senate election run-off. She defeated Democrat Mike Espy and becomes the first women elected to Congress from Mississippi. The Chinese scientist who claimed to have help make

发表于:2019-01-04 / 阅读(164) / 评论(0) 分类 美联社新闻一分钟2018(十一)月

2014年CRI 世卫组织赞成提供抗埃博拉实验药 俄罗斯乌克兰就人道主义援助达成协议

A World Health Organization panel of medical ethicists has ruled it is ethical to offer unproven drugs or vaccines to people infected or at risk of infection in West Africa's deadly Ebola outbreak. Meanwhile, one of three Chinese medical teams sent t

发表于:2019-01-18 / 阅读(82) / 评论(0) 分类 2014CRI中国国际广播电台

VOA双语新闻：专家称北韩实验导弹引擎消息可信

One of the world's foremost analysts of North Korea's ballistic missile programs says reports of missile engine testing at a newly revealed facility appear credible. North Korea is apparently able to test its missiles under more realistic conditions

发表于:2019-02-14 / 阅读(79) / 评论(0) 分类 VOA双语新闻 2008年9月

英语PK台 第472期:"被拒100天"实验克服"碰壁恐惧症"

When I was six years old, my first grade teacher had this brilliant idea. She wanted us to experience receiving gifts but also learning the virtue of complimenting each other. And she said, Why don't we just stand here and compliment each other? If y

发表于:2019-03-04 / 阅读(114) / 评论(0) 分类 英语PK台
最新学习文章
热门学习文章