侏儒胎

There’s a news poll out tonight on another major controversy: human cloning. When asked whether scientists should be able to clone human, 85% said no, 11% said yes. Congress is working on legislatio

发表于:2018-11-28 / 阅读(167) / 评论(0) 分类 疯狂英语2002年

Modern Living The Seans' Caged House Sean (husband): When an architect designs a house for themselves and their family, they have to attempt to 1)accommodate those, needs of the family. That's that's

发表于:2018-11-28 / 阅读(153) / 评论(0) 分类 疯狂英语2004年

1. M: Did you go to the match on Saturday? [00:02.69]W: No,I listened to the commentary instead. [00:05.43]It sounded pretty exciting,I must say. [00:08.33]Q: What are they talking about? [00:11.52]2. M: Two six two four three double four.Charles Far

发表于:2018-11-29 / 阅读(202) / 评论(0) 分类 决胜四级听力必备

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.81]1999 Passage4 [00:07.51]When a Scottish research team startled the world [00:10.54]by revealing 3 months ago [00:12.61]that it had cloned an adult sheep, [00:14.94]President Clinton move

发表于:2018-12-01 / 阅读(339) / 评论(0) 分类 历年考研英语阅读理解

Imagine being able to override Mother Nature and hand-pick the physical appearance and intellectual traits of your unborn child. Well, thanks to modern science, what may seem far-fetched now could be

发表于:2018-12-11 / 阅读(75) / 评论(0) 分类 万花筒2006年

Little girls are made of sugar and spice and, according to a study published in the journal Cell, a fierce determination to maintain their girlishness. Because it seems that a single gene keeps their ovaries from turning into testes. Scientists have

发表于:2018-12-24 / 阅读(86) / 评论(0) 分类 Scientific American(十二)月

Why Dwarf Galaxies Lack Star Power In a study in the journal Nature, researchers show that the relative lack of star density in dwarf galaxies need not conflict with standard cosmological models if you include the blast effects of supernovae. Karen H

发表于:2019-01-02 / 阅读(112) / 评论(0) 分类 60秒科学

Jackie: Welcome to BBC Learning English dot com and Insight Plus - a series first broadcast in 2001 that looks at the language of issues you hear about in the news. How far should science go to help the sick and the suffering? Today on Insight Plus,

发表于:2019-01-07 / 阅读(155) / 评论(0) 分类 英语讨论

Misconception. A stunning story especially for couples having trouble having kids. One Michigan couple learning that their frozen embryos were gone, implanted into another woman by mistake. They were understandably flooded by the news -- or floored b

发表于:2019-01-08 / 阅读(121) / 评论(0) 分类 CNN2010年(五)月

If the human genome is the book of life, then Crispr technology is its Microsoft Word. The cut-and-paste technique, invented only three years ago, can be used on fledgling genomes to snip out bits of DNA and, if required, insert new stretches. 如果说

发表于:2019-01-08 / 阅读(84) / 评论(0) 分类 英语新闻

Once upon a time in Arabia there ruled a Sultan. He had a son. His name was Arfan. One of the courtiers was a witch. She hated the prince Arfan. So she poisoned the mind of the Sultan against his son. She said, You will be over powered by your son pr

发表于:2019-01-08 / 阅读(185) / 评论(0) 分类 一千零一夜英文故事

RACHEL MARTIN, HOST: Scientists doing embryo research are facing some sensitive questions over a new generation of scientific experiments, questions like how long should scientists be allowed to keep human embryos alive in their labs to study them? A

发表于:2019-01-16 / 阅读(105) / 评论(0) 分类 2017年NPR美国国家公共电台3月

ARI SHAPIRO, HOST: For the first time, scientists have altered the DNA in human embryos to make a fundamental discovery about early human development. Scientists say this proves that modifying genes and human embryos can reveal powerful insights into

发表于:2019-01-16 / 阅读(94) / 评论(0) 分类 2017年NPR美国国家公共电台9月

Now have you sinned since our last broadcast? The Catholic church is worried people aren't taking sins seriously enough. So the Vatican has decided to update its list of the seven deadly sins. But whereas the focus of the traditional sins--LUST, GREE

发表于:2019-01-30 / 阅读(166) / 评论(0) 分类 英伦广角

By Deborah Tate Washington 17 July 2006 The U.S. Senate Tuesday is expected to approve federal funding for expanded embryonic stem cell research, despite a veto threat from President Bush who opposes the idea on moral grounds. -------- On the eve of

发表于:2019-01-31 / 阅读(166) / 评论(0) 分类 2006年VOA标准英语(七月)

20 top predictions for life 100 years from now Last week we asked readers for their predictions of life in 100 years time. Inspired by ten 100-year predictions made by American civil engineer John Elfreth Watkins in 1900, many of you wrote in with yo

发表于:2019-02-05 / 阅读(239) / 评论(0) 分类 阅读空间

Reporter: A universal two-child policy is expected to be passed by the top legislature by the end of the week as it concludes its latest bimonthly session on Sunday. The new rules would come into effect on January 1. Zhai Zhenwu, Head of the China Po

发表于:2019-02-06 / 阅读(73) / 评论(0) 分类 英语新闻

During the weekend, 2 couples and their families invited the media newspapers, TV and radio to interview them about embryo donation. The first couple had two teenage boys and the second couple had a 3-month old baby girl. Couple 1s 16 year old son wa

发表于:2019-02-06 / 阅读(100) / 评论(0) 分类 新西兰英语

Brave New World by Aldous Huxley Chapter Eight OUTSIDE, in the dust and among the garbage (there were four dogs now), Bernard and John were walking slowly up and down. So hard for me to realize, Bernard was saying, to reconstruct. As though we were l

发表于:2019-02-16 / 阅读(77) / 评论(0) 分类 有声英语文学名著

Leaders 社论 Gene editing 基因编辑 The baby crisperer 婴儿保险盒 A Chinese scientist claims to have edited the genomes of two babies 中国科学家声称已成功编辑两名婴儿的基因 Humanity's power to control the four-letter code

发表于:2019-02-25 / 阅读(83) / 评论(0) 分类 经济学人综合
学英语单词
accountable for the results
acoustic impedance logging
additive factor
Altheim(Alb)
Ambon, Pulau
anterior jugular vein
araignee lace
ash shinafiyah
attentional process
backward and bidirectional
Barambio
bias light compensation
Burketown
buttonhold
by product costs
catayst selectivity
caudal medullary vestige
Charcot's muscular atrophy
Chlamydodontina
clitlicker
coated-particle fuel
compression power injectionf uel pump
crushed spherulites
cvst
decoct
defence navigation satellite system
Diocletianus, Gaius Aurelius valerius
display to
doubtive
dynamic thermomechanical analysis apparatus
ecowise
employee survey
enrichment of soil
epigonus
exhaust dust device
extrinsic muscle of larynx
f.w
final tailing
floor drainage pit
grand-fathers
had better
Haute-Garonne, Dép.de la
historical data extrapolation
hub disc
hypoproct
internal gear tester
jokelet
keeping
land someone one
land use model
Laser Surface Inspection Equipment
lateral nasal process
linden oil
line status word
livestock histology
Malacanthus
markup percentage
marois
mesitilol
multinomial theorem
multitudinal
My Phuoc
myrrh oil
nascence
ngangas
notwork
olivite
order pterosaurias
orthoarsenic acid
peloton
peroxidise
photophosphorylations
portal vein
positive stability criteria
preordainments
president madisons
psammoseres
Pyongjiwon
quasidominance
rackrent
raised character
red chokeberry
region of stable values
sandwich transducer
self-consequence
source field
special purpose op amp
stage of light narcosis
strulls
subsurface filtration
superclassed
susceptible to
symmetric fabric
tadjikistan (tajikistan)
task level language
task load module file
test for lifeboat
tuning unit
uncompensated cavity
vanishest
wingbeat