显性致死突变试验

This is the VOA Special English Education Report. The Obama administration says American schools should produce students who are college and career ready. What is the best way to do that? One group that has some ideas is the National Center on Educat

发表于:2018-12-07 / 阅读(154) / 评论(0) 分类 2010年慢速英语(二)月

Studies Link Bee Decline to Insecticide Billion-dollar bees Bees pollinate the flowers that become fruits, nuts and vegetables. The work these insects do is worth about $18 billion a year to U.S. farmers. But honeybee colonies in the United States ha

发表于:2018-12-16 / 阅读(137) / 评论(0) 分类 VOA标准英语2012年(三月)

Simple New Test Detects Early Signs of Diabetes 新型简单测试或能检测出糖尿病早期迹象 People with Type 1 diabetes, usually diagnosed in children and young adults, must take insulin injections and watch their diet to keep their blood

发表于:2018-12-16 / 阅读(146) / 评论(0) 分类 VOA标准英语2015年(一月)

RACHEL MARTIN, HOST: Earlier this year, Vladimir Putin announced that Russia had tested a new kind of nuclear missile. Putin declared it a success. But satellite images shared exclusively with NPR suggest the missiles testing may have had a different

发表于:2018-12-18 / 阅读(179) / 评论(0) 分类 2018年NPR美国国家公共电台9月

Even before scientists sort this out, this information is actually really good news for us, 即使科学家还尚未解决问题,这一好消息确实振奋人心, because it turns out that the way we live can influence the accumulation of amyloi

发表于:2018-12-18 / 阅读(178) / 评论(0) 分类 TED演讲国际问题篇

This Scientific Americans 60-Second Science. I am Karen Hopkin. This will just take a minute. They say that older folks benefit from spending time with young people. And thats not just an excuse to stick grandma at the kids table at Thanksgiving. Now

发表于:2018-12-24 / 阅读(170) / 评论(0) 分类 Scientific American(五)月

By Melinda Smith Washington, DC 27 September 2006 watch Colon Cancer report Growth(s) discovered in a colon Colon cancer is one of the most common forms of cancer in the world. But with early detection, colon cancer is highly treatable. If you have

发表于:2019-01-06 / 阅读(248) / 评论(0) 分类 2006年VOA标准英语(九月)

This is scientific American's 60-Second Science, I'm Karen Hopkin, this'll just take a minute. If theres anything better than a fresh, ripe, tomato, its a gigantic fresh, ripe tomato. And thanks to a couple of mutations, thats exactly what we all enj

发表于:2019-01-08 / 阅读(200) / 评论(0) 分类 Scientific American(五)月

Scientists have identified a unique genetic mutation in about 10 percent of people with type 2 diabetes(糖尿病) studied in the United States and Europe. The discovery could help some people learn if they are at risk of developing diabetes so they

发表于:2019-01-11 / 阅读(244) / 评论(0) 分类 英语新闻

New Test Could Find Cancer Earlier 新的测试可以发现早期癌症 From VOA Learning English, this is the Health Lifestyle report. Cancer is a leading cause of death around the world. When it comes to cancer, the sooner you know you have it, the

发表于:2019-01-12 / 阅读(380) / 评论(0) 分类 2016年VOA慢速英语(十一)月

Genetic Test Pinpoints Cause of Patient Illness About a decade ago, scientists decoded the human genome, creating a gene-by-gene map of our DNA. In the decade since, genetic research has accelerated, but mostly it's stayed in the laboratory. Now, gen

发表于:2019-01-14 / 阅读(184) / 评论(0) 分类 VOA标准英语2011年(六月)

US, UN Pledge Action Against North Korea Nuclear Test As crowds in Pyongyang celebrate what North Korean leaders call a successful nuclear test in legitimate self-defense, U.N. Secretary General Ban Ki-moon says the test is a direct challenge to the

发表于:2019-01-14 / 阅读(146) / 评论(0) 分类 VOA标准英语2013年(二月)

Scientists Seek Better Understanding of Threats Faced by Sharks 科学家寻找更好的途径解决鲨鱼面临的威胁 COCONUT ISLAND, HAWAII With many shark species endangered or threatened as a result of pollution and other problems, scientists

发表于:2019-01-14 / 阅读(136) / 评论(0) 分类 VOA标准英语2015年(二月)

RACHEL MARTIN, HOST: Now to China, where a strain of bird flu has killed a record number of people this year. Scientists on the frontlines of this deadly strain are more worried than ever about its potential to spur a global pandemic. NPR's Rob Schmi

发表于:2019-01-17 / 阅读(144) / 评论(0) 分类 2017年NPR美国国家公共电台4月

By Jessica Berman Washington 08 May 2006 Scientists report they have cured a highly malignant form of cancer in ordinary laboratory mice using the white blood cells of mice that are resistant to cance

发表于:2019-01-29 / 阅读(223) / 评论(0) 分类 2006年VOA标准英语(五月)

By Cindy Saine Washington 16 April 2008 The U.S. Supreme Court has upheld the most common method of lethal injection used for executions by the federal government and 36 states. The unsuccessful constitutional challenge to the three-drug lethal injec

发表于:2019-01-31 / 阅读(146) / 评论(0) 分类 VOA常速英语2008年(四月)

A new report from The World Bank predicts that China's renminbi will join the U.S dollar and the euro as dominant international currencies sometime in the next 10 to 15 years. Some economists say is a major realignment in the global economic order, w

发表于:2019-02-06 / 阅读(165) / 评论(0) 分类 英语新闻

为何人类爱吃肉 对多数人类来说,肉的味道非常美妙。众多的美食中,为何我们对它情有独钟呢? It is no less remarkable for people today, even those of us whose tastes run more to sirloin. Because if you look at wh

发表于:2019-02-18 / 阅读(236) / 评论(0) 分类 阅读空间

An independent panel of U.S. health experts is recommending that all Americans between the ages of 15 and 65 be routinely screened for HIV, the virus that causes AIDS. The HIV test would not be mandatory. But experts hope more widespread testing migh

发表于:2019-02-18 / 阅读(176) / 评论(0) 分类 英语新闻

Who do you think your pet is? Learning from Your Dog's DNA 你认为你的宠物是谁?狗狗DNA中的发现 A simple cheek swab can reveal your dog's ancestry, provide insight into its health and even help explain its behavior 擦一下狗的脸就可

发表于:2019-02-21 / 阅读(237) / 评论(0) 分类 人物杂志
学英语单词
a leg of the law
aeroplane spin
agar plate
anakrisis
authorized insurer
Axioma
backstreet boy
bank mandate
bdnf
beat a retreat
Bnms's glucose medium
Bragg-Gray cavity principle
brush heel
business administrators
capital-saving invention
cast to the wind
celtic deities
cheiropodagra
childtime
citative
concion
condolements
curvas
cyclic plastic strain exponent
damping period
design wind loading
dipicrylamine
drum-rolls
edpetilidinine
egg-yolk
eutectic-pegmatitic texture
evaporative cooling
fibonnaci heap
Franklin,Rosalind Elsie
frost patterns
full-wave resistance welding power source
gas-gel chromatograph
gasmeter
gerontius
glazed window
group-frequencies
have-a-go hero
heater outlet couple
homes
idiosyncrasical
Imperial Valley
indicator error
international-law
kiril
loyal toast
Lysimachia mauritiana
macrofilaricidal
maximum power voltage
mazaedia
metabolic stone
mode selection technique
multiarc welding
multiauthored
nahid
nationalizings
nightworks
octomom
off budget year
Parndorf
peg cells
Perlas, Cayos de
permeability rise factor
Persicarin
phase sequence test
phase-microscope
phosphofructose
prickle-weed
pride
properly divergent sequence
pulley stile
radical of a module
recursive definition of function
ribbon flight
rotary shaker
rr. musculares (n. ulnaris)
sample contract
sample print
saprodite
she sits on his lap
spot foreign currency liabilities
squash seed
steamless
surface marker
survey marker
swear the peace against
Table Round
tariff cum income subsidy
threader
transonics
trip-rope control
uk tablespoon
unalienable
unpoint.ed
white - throated sparrow
Wibaux County
xenogenesis
yautia