标签：小白鼠实验 相关文章

背诵为王 第 一 册 第 49 课

49 Whos Clever? A university professor made experiments with several kinds of animals. He hoped to know which animal was the cleverest. He found out it was the monkey. In one experiment the professor put a monkey in a room with several small boxes. S

发表于:2018-12-08 / 阅读(224) / 评论(0) 分类 背诵为王第一册

振动与波18：边界条件为介质-折射率-斯内尔定律

分集介绍：本视频是关于物理光学课程的。课中主要讲解了光学中光偏相关内容，证明了光穿过不同介质的偏振角存在。通过例子分析和实验来阐述所讲知识。

发表于:2018-12-09 / 阅读(73) / 评论(0) 分类 麻省理工学院公开课：振动与波

VOA常速英语2015--宇航员为太空旅行做水下实验

Astronauts Train Underwater for Deep Space Missions 宇航员为太空旅行做水下实验 Manned deep space missions are still a long way off, but space agencies are already testing procedures, equipment and human stamina for operations in extreme

发表于:2018-12-16 / 阅读(57) / 评论(0) 分类 VOA标准英语2015年(八月)

辛沛沛NO-BOOK 辛沛沛口语初级版 Lesson 10 Allow

Lesson 10Allow 1.Please allow me to tell you the truth . 2.My father doesn't allow me to smoke . 3.Please allow me to do experiments in this laboratory . 4.I don't allow him to use my computer . 5.Passengers are not allowed to smoke . 6.My brother wo

发表于:2018-12-16 / 阅读(80) / 评论(0) 分类 辛沛沛NO-BOOK 辛沛沛口语初级版

英文书摘精选 Ben Franklin And A Very Furry Situation富兰克林与他的毛皮实验

When they hear the name Ben Franklin, many folks think of the Declaration of Independence, the Continental Congress and things like that. Not as many people remember that Franklin was an inventor . . . and a good one, too! He also did some pioneering

发表于:2018-12-28 / 阅读(61) / 评论(0) 分类 初学者听力文摘精选

双语有声阅读:Sacrificed to Science? 为科学而献身

Professor Colin Blakemore works at Oxford University Medical School doing research into eye problems and believes that animal research has given humans many benefits: The use of animals has been central to the development of anaesthetics, vaccines an

发表于:2019-01-02 / 阅读(60) / 评论(0) 分类 双语有声阅读

VOA慢速英语--于亚利桑那州生物圈2号实验25周年

25 Years Later: Biosphere 2 Lives On An unusual scientific experiment ended 25 years ago when eight people walked out of a miniature Earth called Biosphere 2. Biosphere 2 is a collection of large, connected buildings in the American state of Arizona.

发表于:2019-01-03 / 阅读(98) / 评论(0) 分类 2018年VOA慢速英语(十)月

振动与波14：坡印廷矢量-雷利散射-极化

分集介绍：本节课所讲为振动与波。教授对电磁场的有关计算给出了详尽的说明和推导过程，并用生动的实验和图片解释光波的偏振现象，告诉我们为什么天空是蓝色的，为什么日出和日落是

发表于:2019-01-05 / 阅读(73) / 评论(0) 分类 麻省理工学院公开课：振动与波

美联社新闻一分钟 AP 密西西比火箭发动机进行实验

密西西比火箭发动机进行实验 This is AP News Minute. President Trump is expected to meet with more prospective supreme court nominees this week. He interviewed four candidates Monday, all of them federal appeals judges. Secretary of State

发表于:2019-01-11 / 阅读(133) / 评论(0) 分类 美联社新闻一分钟2018(七)月

VOA慢速英语2014 世卫组织称实验药物治疗埃博拉合乎伦理

AS IT IS 2014-08-13 WHO Says Experimental Drugs Ethical for Ebola Patients 世卫组织称实验药物治疗埃博拉合乎伦理 Officials in Liberia say they expect to receive an experimental drug from a U.S. company to treat Ebola patients. The dr

发表于:2019-01-12 / 阅读(54) / 评论(0) 分类 2014年VOA慢速英语(八)月

VOA常速英语2014--荷兰实验表明盐水种植农作物成为可能

Dutch Experiment Shows Farming With Salty Water Possible 荷兰实验表明盐水种植农作物成为可能 One of the many adverse effects of global climate change is the rise of sea levels, which scientists say can increase the salinity level of f

发表于:2019-01-14 / 阅读(70) / 评论(0) 分类 VOA标准英语2014年(十一月)

【简明语法】4.10 可修饰比较级的词

1）a bit, a little, rather, much, far, by far, many, a lot, lots, a great deal, any, still, even等 2）还可以用表示倍数的词或度量名词作修饰语。 3）以上词(除by far)外，必须

发表于:2019-01-16 / 阅读(74) / 评论(0) 分类 英文语法词汇

【简明语法】21.7 情态动词+ have +过去分词

1) may(might) have + done sth, can (could) have + done sth 表示过去，推测过去时间里可能发生的事情。 Philip may (might) have been hurt seriously in the car accident. Philip can (cou

发表于:2019-01-16 / 阅读(63) / 评论(0) 分类 英文语法词汇

英语口语900句 10.03.对话.3.在实验室

teacher:Good afternoon,everyone. This experiment is to start at 3 o'clock. Have you gone to the instructions? student:Yes,Sir. teacher:Ok. Now,some points for attention. First of all,pay attention to safety. Now,sign your name on the lab record. And

发表于:2019-01-21 / 阅读(91) / 评论(0) 分类 英语口语900句

英语口语900句 10.03.单句

It's time for class, hurry up! Would you please explain it again? Can you follow me? Your answer is correct. Class is over in five minutes. Let's call it a day. The reagent is not the right for this experiment. Have you read the instructions? Do we h

发表于:2019-01-21 / 阅读(73) / 评论(0) 分类 英语口语900句

GRE考试解题思维综述—第二章思维指导(6)

13.Usuallythefirsttospotdatathatwereinconsistentwithotherfindings,inthisparticularexperimentsheletanumberof_______resultsslipby. A.inaccurate B.verifiable C.redundant D.salient E.anomalous KEY：E 翻译

发表于:2019-02-01 / 阅读(81) / 评论(0) 分类 英文语法词汇

David Pizarro:厌恶情感中的奇怪政治

一幅恶心的图片对你怎么投票会有什么样的影响？通过调查和实验，心理学家David Pizarro为我们展示，人对恶心线索一张粪便照片，一种难闻的气味的敏感程度是如何和道德及政治保守主义相连

发表于:2019-02-05 / 阅读(64) / 评论(0) 分类 TED公开课:世界权势大转移

科学家首次用火星"土壤"种出可食用作物

Hopes for a colony on Mars took a step forward after scientists proved it was possible to grow edible food in Martian soil for the first time. 殖民火星的希望向前迈进了一步:科学家首次证实在火星土壤上是有可能种出可食用

发表于:2019-02-09 / 阅读(60) / 评论(0) 分类 英语新闻

英语听书《海底两万里》第297期 第22章 强逼睡眠(2)

And so, by loading up its ballast tanks, or by sinking obliquely with its slanting fins, 诺第留斯号或者是把所有的储水池装得特别满，或用纵斜机板斜斜下降， the Nautilus successively reached depths of 3,000, 4,000, 5,000,

发表于:2019-02-17 / 阅读(69) / 评论(0) 分类 《海底两万里》中英双语有声读物

留美老师带你每日说英文 第396期:联觉是普遍存在的

台湾籍旅美老师今天交给我们的句子是： Synesthesia is actually a really common condition, but also it's how our brains work most of the time. So you can do this really simple experiment at home to see what Synesthesia actually looks l

发表于:2019-03-05 / 阅读(173) / 评论(0) 分类 留美老师带你每日说英文
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