宫内发育迟缓

The Mercury Mess By Samantha Levine / 2004, as first appeared in U.S. News nbsp; What are the dangers of mercury in fish? Can the mercury mess be cleaned up? 1 Are these fish safe to eat?” It’s a

发表于:2018-12-19 / 阅读(179) / 评论(0) 分类 彭蒙惠英语

Rare but Deadly By Susan Brink /2005, U.S. News World Report . All rights reserved with permission. Distributed by Tribune Media Services International. Simple, cheap blood tests could save thousands

发表于:2018-12-19 / 阅读(224) / 评论(0) 分类 彭蒙惠英语

Every week, more children arrive to work in the hundreds of primitive mines in the bush. Here they endure long hours at dangerous jobs, wringing flecks of gold from the dirt with mercury. One of them is a 12-year-old boy named Saliou. Momodou is just

发表于:2018-12-26 / 阅读(180) / 评论(0) 分类 自然百科2016年

People start stereotyping early. Even toddlers react positively to members of their own race, but often distrust those from different groups. The seeds of racism are planted in most everyone. Everyone, that is, except people with a rare genetic condi

发表于:2019-01-02 / 阅读(191) / 评论(0) 分类 60秒科学

By Lisa Schlein The UN Children's Fund, UNICEF, says Iodine Deficiency Disorders, which cause mental retardation, are a huge problem in Europe and Central Asia. UNICEF says this disorder can be solved

发表于:2019-01-03 / 阅读(173) / 评论(0) 分类 VOA2004(下)--健康科技

People start stereotyping early. Even toddlers react positively to members of their own race, but often distrust those from different groups. The seeds of racism are planted in most everyone. Everyone, that is, except people with a rare genetic condi

发表于:2019-01-08 / 阅读(220) / 评论(0) 分类 Scientific American(四)月

Time now for StoryCorps. This oral history project is traveling the country, collecting interviews between friends and families. Today we hear from a daughter and her father. --My name is David Warm, I'm 51 years old. --My name is Mary Warm, and I'm

发表于:2019-01-08 / 阅读(252) / 评论(0) 分类 2006年NPR美国国家公共电台

This is the VOA Special English Health Report. Deep inside each cell in our body is all the genetic information needed for life. Human genes are normally organized along forty-six chromosomes -- twenty-three from each parent. David Petersohn of Libe

发表于:2019-01-11 / 阅读(255) / 评论(0) 分类 VOA慢速英语2008年(九)月

This is the VOA Special English Health Report. Human genes are normally organized along forty-six chromosomes in our cells, twenty-three from each parent. A school for people with Down syndrome in Mexico City But some people are born with an extra c

发表于:2019-01-11 / 阅读(144) / 评论(0) 分类 VOA慢速英语2009年(九)月

By Carol Pearson Washington 14 January 2008 For years autism has baffled researchers and devastated families. Autism typically appears in the first three years of life. Symptoms include problems with communication, difficulty forming relationships an

发表于:2019-01-13 / 阅读(144) / 评论(0) 分类 VOA标准英语2008年(一月)

The Lacandon are direct descendants of the Maya peoples who live in the jungles of the Mexican state of Chiapas. Until the mid-20th century, they had little contact with the outside world. As a result, the indigenous group was almost extinct. Today

发表于:2019-01-13 / 阅读(157) / 评论(0) 分类 VOA标准英语2009年(五月)

BEIJING, Mar. 18 (Xinhuanet) -- Urbanization will be a major feature of China's economic growth and continue to gain momentum, Liu He, Party chief of the Development Research Center of the State Council, said on Saturday. At the China Development For

发表于:2019-02-06 / 阅读(176) / 评论(0) 分类 英语新闻

BRUSSELS, March 14 (Xinhua) -- Top leaders of the European Union (EU) Thursday held broad talks on growth without making concrete decisions on the first day of the two-day spring summit in Brussels, against the backdrop of easing market pressure but

发表于:2019-02-06 / 阅读(147) / 评论(0) 分类 英语新闻

BEIJING, March 5 (Xinhua) -- The Chinese government announced Tuesday that its GDP growth target will remain around 7.5 percent this year to leave room for economic restructuring. The target is intended to help create jobs and improve people's well-b

发表于:2019-02-06 / 阅读(150) / 评论(0) 分类 英语新闻

MOSCOW, Feb. 16 (Xinhua) -- Finance ministers and central bankers of the Group of 20 (G20) on Saturday pledged to strengthen financial stability and promote sustainable growth at the conclusion of a two-day meeting here. In a joint communique issued

发表于:2019-02-06 / 阅读(142) / 评论(0) 分类 英语新闻

BEIJING, Jan. 18 (Xinhua) -- China's economic expansion slowed to 7.8 percent year on year in 2012 amid external jitters and domestic woes, data from the National Bureau of Statistics showed Friday. The growth rate, the weakest expansion in a decade,

发表于:2019-02-06 / 阅读(188) / 评论(0) 分类 英语新闻

U.S. President Barack Obama is calling for a renewed emphasis on cutting-edge research and technological advances as a way to spur the country's sluggish job growth. In his weekly radio and Internet address Saturday, Obama said a new partnership he h

发表于:2019-02-06 / 阅读(247) / 评论(0) 分类 英语新闻

Even as countries around the world are posting better economic growth rates two years after a global recession, officials from the International Monetary Fund say that is not enough to improve the livelihood of most people. Global finance chiefs at t

发表于:2019-02-06 / 阅读(168) / 评论(0) 分类 英语新闻

China's economic growth stabilizing, annual growth target attainable BEIJING, Oct. 18 (Xinhua) -- China's economic growth has started to stabilize and shown positive changes, said a statement released after a State Council meeting presided over by Pr

发表于:2019-02-11 / 阅读(156) / 评论(0) 分类 英语新闻

这是一个令人心酸的故事,每个人都有权憧景新的生活,但年仅八岁的Philip除外,因为他缺乏憧憬未来的必要条件一个健康鲜活的生命,所以看看他的new life愿望吧,你一定被会为你的幸福感动

发表于:2019-02-20 / 阅读(145) / 评论(0) 分类 英语美文
学英语单词
acquiring company
all-reds
alternative cultivation
anaerogenic
anti-squish swirl
asterias versicolor
astomus
asymmetric modulator
audiences
blastomycin
Bobotov Kuk
boyington
Canastra, Sa.da
cartometric aids
cephaliophora tropica
Chiaverano
coexistency
competitively-priceds
crystal-diffraction spectrometer
Cytodites
Dioscorea gracillima
DYOFDW
dysacusia
exterior wall
final record
financial sanction
five-electrode tube
funnel mark
general room
genus Fremontodendron
gleptoferron
glory tree
guydish
half plate
head-capsule
horny-layer aspergillosis
hudock
impuberism
incola
injection luminescence
International Ultraviolet Explorer
Johnny Appleseed
klystron-type buncher
law of marque
lay your cards on the table
limpidly
mari-el
material used as a soil corrective
mercerized cotton
middle-management
milker herring
mixed-flow fan
moben paper
multilevel modeling structure
night bombardment airplane
nightcapped
Nobbs
nocturnal migration
nonstandard method
on-line click-wrap license agreement
Osmanthus cooperi
outside gouge
oxbloods
oxybiontic bacteria
pachygrapsus fakaravensis
photo-electric exposure meter
posterior microtubule
proserosa
pullout
put something out of sight
root-bend specimen
safety cap
scientific knowledge
scrutinising
secondary superheater
short stalked plant
spontaneous magnet
spotting scope
spring-tooth harrow plough
Ste-Marthe-de-Gaspé
stimuli generator
stirdy
stratiform geyserite
string list
subincises
super-dupers
superhumanises
synodic motion
tect-
tilting easel
torch igniter
trainiac
treating compound
true midnight
unilateral diffusion
vegetable sponges
Waka, Tg.
wesat
whimmy
william wycherleys
with one hands tied behind one's back
Zyklon-B