音标:[ˌri:tɑ:ˈdeiʃən fiˈnɔminən] ;
延滞现象

发表于:2018-12-04 / 阅读(209) / 评论(0) 分类 自考英语(二)60讲

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(180) / 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(225) / 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(181) / 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(174) / 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(253) / 评论(0) 分类 2006年NPR美国国家公共电台

今天我们要学的词是phenomenon。 Phenomenon, 杰出人物,奇才。A new album by Susan Boyle, the Scottish singing phenomenon, won't be released until Nov. 24, but it has already hit No.1 on Amazon's Music Best Sellers list, 苏格兰歌唱奇

发表于:2019-01-11 / 阅读(205) / 评论(0) 分类 英语单词荟萃

今天我们要学的词是phenomenon。 Phenomenon, 杰出人物,奇才。A new album by Susan Boyle, the Scottish singing phenomenon, won't be released until Nov. 24, but it has already hit No.1 on Amazon's Music Best Sellers list, 苏格兰歌唱奇

发表于:2019-01-11 / 阅读(183) / 评论(0) 分类 英语每日一词

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)

高考英语作文常用句型 一)原因 1.A number of factors are accountable for this situation. A number of factors might contribute to (lead to )(account for ) the phenomenon(problem). 2. The answer to this problem involves many factors. 3. The

发表于:2019-01-17 / 阅读(310) / 评论(0) 分类 实用英语

英语四级作文要想写得出彩,分门别类地掌握和使用句型十分重要。下面是一些常用的万能句型,希望能给各位考生提供一些帮助。 原因 1.A number of factors are accountable for this situation. A number o

发表于:2019-02-01 / 阅读(146) / 评论(0) 分类 四六级写作指导

The newlyweds entered the elevator of their Miami Beach hotel. The operator, a magnificent blonde, looked at them in surprise and said, Why, hello, Teddy, how are you?A frosty silence prevailed until the couple reached theirroom, when the piqued (愤怒

发表于:2019-02-04 / 阅读(166) / 评论(0) 分类 趣味英语

一)比较1.The advantage far outweigh the disadvantages. 2.The advantages of A are much greater than those of B. 3.A may be preferable to B, but A suffers from the disadvantages that... 4.It is reasonable to maintain that ...but it would be foolish

发表于:2019-02-17 / 阅读(160) / 评论(0) 分类 四六级写作指导

一)原因 1.A number of factors are accountable for this situation. A number of factors might contribute to (lead to )(account for ) the phenomenon(problem). 2. The answer to this problem involves many factors. 3. The phenomenon mainly stems from th

发表于:2019-02-17 / 阅读(182) / 评论(0) 分类 四六级写作指导

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(146) / 评论(0) 分类 英语美文
学英语单词
a negro
actinocythereis sinensis
AI (artificial intelligence)
alanine aminotransferase (alt)
Albright's disease
as free as the air
assisted global position system
benjamin order
blankflange
borsal
breakfast area
cage dog
calcinable
callista
cast-iron plants
Changchun
choreographed
circumincession
cold shield angle
corneal anlage
dead-head crew
derm
desertrices
digital branch exchange
diseaes
doped seed
double differentiation
ectropion spasticum
effective allele
eosentomon fushanense
esthesiometer
ferruginescent
file header
firing lines
float-type gyroscope
fractional neutralization
frodinghams
fundamental Abelian function
genetic differentiation
Get hit
growth area
horizontal osteotomy
hucksters
infinite monkey theorem
intextomyces contiguus
lefthandednesses
lithium vanadium molybdenum oxide
live off the country
local second selector
make one's getaway
manifestos
markcourt
material requirement planning
mid-project evaluation
militello
minister of foreign affairs
Mohmands
naked vision
navigation warning
neutron strength function
non-linear load line
occupational dose
ordnance engine
orthochromatin (brink 1960)
pestalotia litchii
postinsula
postsynaptic potential
Primula patens
progger
program preface summary
protective value
purchase order item
quieted aircraft
radiation-transparent material
ratchet chain
rc constant
re-offends
rechurching
reverse lever catch
roughcasting
Sambang
saussureans
sebacil
seducive
sheep herder
sinularia densa
ski-plane
slicking glass
space of iris corner
spontaneous radioactive disintegration
squawroot
stovetops
string function
Takamadast
Thiolan
truffauts
unadvertisable
under-water body
unjailed
unsymmetrical plate girder
walkaway safe
Xinyi