基因改变假说

[00:04.49]Scientific Attitudes [00:06.97]科学的态度 [00:09.46]Science had its beginning when man started asking questionsabout his environment. [00:14.18]科学起源于人类开始对自身环境产生疑问的时候. [00:18.91]He wondered where the sun went at night an

发表于:2018-12-04 / 阅读(172) / 评论(0) 分类 大学英语自学教程上

AS IT IS 2014-05-24 Cameras to Review Goals at World Cup From VOA Learning English, this is As It Is. I'm Anna Matteo in Washington. Technolgoy is changing many parts of our lives. But when it comes to sports, fans do not always like new technology.

发表于:2018-12-08 / 阅读(165) / 评论(0) 分类 2014年VOA慢速英语(五)月

A new study warns of the potential problems Africa faces from rising temperatures. The Nairobi-based International Livestock Research Institute (ILRI) says the continent must learn to adapt to shorter growing seasons. The report was released as the U

发表于:2018-12-08 / 阅读(148) / 评论(0) 分类 VOA标准英语2010年(十一)月

Farm Animals May Soon Get New Qualities With Gene-Editing This may seem impossible, but an American company is seeking to change farm animals by cutting or adding to their genes. By using a process called gene-editing, the company, Recombinetics, say

发表于:2018-12-10 / 阅读(149) / 评论(0) 分类 2018年VOA慢速英语(十一)月

Unit 10 Test A What will our future be like? What might happen in the year 2144? How far can your imagination take you into the future? Let's see what a newspaper in New Zealand tells us. The Future W

发表于:2018-12-11 / 阅读(247) / 评论(0) 分类 21世纪大学英语读写教程

时尚摄影师用镜头寻找另一种美 Where do you find beauty? Fashion Magazines? Music Videos? One American photographer is finding beauty in unexpected places. And a new documentary about his work might help change the traditional standards o

发表于:2018-12-19 / 阅读(165) / 评论(0) 分类 VOA双语新闻 2015年8月

Idiom: Off the record 非正式的,不记录下来的事 Hit the book: Likelihood Strain Incorporate Well-being Complement Be consistent with Hypothesis

发表于:2018-12-27 / 阅读(170) / 评论(0) 分类 趣味青春英语

人的一生中,将近三分之一的时间是用于睡觉的。刚出生的婴儿几乎每天要睡20个小时;即使成年后,每夭至少要睡 6~7小时。 不管睡眠时间长短如何,睡觉看来是人必不可少的行为。这一点

发表于:2018-12-27 / 阅读(174) / 评论(0) 分类 英语听力广播—Listening

The International Day for Biological Diversity, sometimes called World Biodiversity Day, is a United Nations holiday based on biodiversity issues. It started in 1993 and is held on May 22. This is the date of the Rio Earth Summit of 1992. This was a

发表于:2018-12-29 / 阅读(176) / 评论(0) 分类 世界节假日博览

Irish voters will decide on Friday whether to end the countrys ban on abortion in most cases. Voters will be asked in a referendum whether the countrys constitution should be changed to remove current restrictions on abortion. A constitutional amendm

发表于:2019-01-03 / 阅读(163) / 评论(0) 分类 2018年VOA慢速英语(五)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Why bother with sex? Its a question thats bugged biologists since they first noticed that some critters do it and some dont. The answer theyve come up wi

发表于:2019-01-08 / 阅读(171) / 评论(0) 分类 Scientific American(十一)月

Rainforests exist because it rains a lot and that makes forests grow, right? Well, not so fast. What if its not the rain that makes the forests? What if its the forests that actually generate the rain? That is the contention of a paper in BioScience

发表于:2019-01-08 / 阅读(183) / 评论(0) 分类 Scientific American(五)月

By Alan Silverman Hollywood 27 May 2006 One of the most popular film series based on Marvel Comics superheroes becomes a trilogy and raises some interesting real-world issues about diversity and fitting in. ------------------------------------------

发表于:2019-01-08 / 阅读(235) / 评论(0) 分类 2006年VOA标准英语(五月)

Study: Regular Exercise Can Change Our DNA 研究表明经常锻炼可以改变我们的DNA Swedish scientists say they have proven that physical exercise changes not only our health but also our genetic material. Scientists have long known that some

发表于:2019-01-12 / 阅读(136) / 评论(0) 分类 2015年VOA慢速英语(一)月

New Study Could Change Treatment For Asthma Most adults who have mild or moderate asthma are told to use their inhalers twice daily, even if they don't have symptoms. The medicine in those compressed-air inhalers are corticosteroids, which open a per

发表于:2019-01-14 / 阅读(184) / 评论(0) 分类 VOA标准英语2012年(十一月)

Scientists around the world predict that climate change will have dramatic effects on agriculture in the coming decades. So, too, will pests and pesticides, the loss of species and the need to increase food production for a growing population. Resear

发表于:2019-01-14 / 阅读(190) / 评论(0) 分类 VOA标准英语2010年(十)月

时尚摄影师将镜头转向特殊人群 Where do you find beauty? Fashion Magazines? Music Videos? One American photographer is finding beauty in unexpected places. And a new documentary about his work might help change the traditional standards o

发表于:2019-01-14 / 阅读(123) / 评论(0) 分类 VOA标准英语2015年(十二月)

HEALTH REPORT - September 4, 2002: Melanoma Research By Nancy Steinbach (Photo - U.S. National Cancer Institute) This is the VOA Special English Health Report. Scientists have discovered a genetic cha

发表于:2019-01-29 / 阅读(205) / 评论(0) 分类 健康与环境

现代社会最大的文化迷思我们不能改变。研究证明你可以变得更加乐观,但是如果你优先考虑眼前的幸福,你会收获额外的好处。 Some people think if you are happy, you are blind to reality. But when we rese

发表于:2019-02-01 / 阅读(152) / 评论(0) 分类 实用英语

Scientists: Gene Editing Should Stay in Laboratories 科学家称基因编辑技术应该留在实验室 Scientists are debating how to limit their newly-discovered power to change genetic structure. Scientists already modify the genes of farm animal

发表于:2019-02-12 / 阅读(170) / 评论(0) 分类 2016年VOA慢速英语(七)月
学英语单词
active source method
Adam, Jab.al
aerobics
allocrine
almirola
arousal response
baritone guitars
bartas
brilliant point
carriagebuilding
cerous molybdate
chana dahl
choline succinate dichloride dihydrate
clais
clumsier
computer network system
confocal optical resonator
copa
cosmetic bag
court of last resort
dashawn
direct cycle access storage device (dasd)
disappearing stream
dispersedly
ectromelus
fel ursi
ferroelectric lc
footrubs
formal language theory
free issue
furunculous cowpox
gardesanas
give out sth
guiding rod
implementing agency
in the gift of
indecent books
inner-area
isoalkene
it turns out that
Joint Application Development
ligge
limail
low-passes
mahammad
make a model of sb
marshes
melting under white slag
metasynthesis
microspectrophotometer
mud-crack
multi-track head
multiple computer operation
nanoplastic
nixie driver
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nonvolatile memories
not all roses
noxious solvent
octomer
olfatory cortex
omosudis lowii
on the train
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petron
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pseudointellectualism
pyogenic white swelling
resection of cystic hygroma
reticule alignment
Salmonella infantis
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semi-dry pressing
Seriphus
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snapshoot
solubility gradient
speak with a forked tongue
spermatosome
Spielmeyer-Vogt disease
squush
Stereoconus
stockingette
Tamami
tempa
temporary order
the faint-hearted
topolatry
truck light
two-sided noise bandwidth
uncollectible accounts
vacuum expander
vaizeys
Vena intercostalis suprema
wergelds
white lake
xeroderma ichthyotica