X染色体失活

托福考试很多同学都发现自己的阅读速度很慢,常常一篇科学文献自己要读整晚读不完。这种情况下做题、做作业更是问题多多。所以问题来了,:我的托福阅读速度为什么很慢? 我在英国上学

发表于:2018-12-02 / 阅读(83) / 评论(0) 分类 新托福写作真题解析

Did you know that the Internet could be a good exercise for the brain? A new study from UCLA finds it when middle age and senior age adults perform Internet searches, it activates many different areas of the brain including those involved with memory

发表于:2018-12-11 / 阅读(55) / 评论(0) 分类 万花筒2008年

Every month new fitness products are hitting the market. The latest craze? Fitness shoes that claim to build muscles. But do they work? Sports medicine expert Doctor Amadeus Mason says probably not. The main thing that makes one shoe better-off is th

发表于:2018-12-11 / 阅读(49) / 评论(0) 分类 万花筒2009年

01. Do you like playing online games? 你喜欢玩网络游戏吗? 02. I prefer to play the counterstrike. 我比较喜欢玩反恐精英。 03. I spend most of my spare time in playing online games. 我的大部分空闲时间都在玩网络游戏。

发表于:2018-12-25 / 阅读(79) / 评论(0) 分类 英语口语最炫潮流

Template - an outline form which can be used to make many identical copies without being used itself. Metal templates can be used placed over a piece of clothing material, which is then cut according

发表于:2019-01-03 / 阅读(61) / 评论(0) 分类 医务英语

Its called functional magnetic resonance imaging, or FMRI. And some neuroscientists call it the greatest scientific advance of the last 25 years. Because FMRI lets researchers look at the human brain in action. By measuring blood flow, it produces co

发表于:2019-01-08 / 阅读(95) / 评论(0) 分类 Scientific American(二)月

Scientists at the Whitehead Institute in Cambridge, Massachusetts say it's fortunate for humans that the Y chromosome is not on the verge of extinction. That's because the Y is the chromosome that makes males males. The outlook is less favorable for

发表于:2019-01-08 / 阅读(296) / 评论(0) 分类 2005年NPR美国国家公共电台

This is the VOA Special English Health Report. A miscarriage is the natural loss of a pregnancy before the twentieth week. This happens to as many as twenty percent of known pregnancies. Experts say many pregnancies end before a woman even knows she

发表于:2019-01-11 / 阅读(75) / 评论(0) 分类 2010年VOA慢速英语(八)月

It's believed that our species, Homo sapines, has wandered African lands for at least a quarter of a million years. But maybe this was the place where evolutionary leap took palce. This is what a courteous team of 15 scienists are investigating. And

发表于:2019-01-22 / 阅读(53) / 评论(0) 分类 自然百科2012年

文本: Hathcock: HQ, do you read me? HQ: Loud and clear Sergeant Hathcock,go ahead. Hathcock: We have touchdown,confirm _(1)_. HQ: Roger that. The target zone is located 2 klicks north of your position,a small outpost occupied by the remaining Kes

发表于:2019-01-23 / 阅读(56) / 评论(0) 分类 小龟乐游记英语短文

By Al Pessin Prague 23 October 2007 U.S. Defense Secretary Robert Gates says the United States might be willing to postpone activation of missile-defense sites planned for Poland and the Czech Republic until there is proof Iran has missiles that coul

发表于:2019-02-03 / 阅读(214) / 评论(0) 分类 2007年VOA常速英语(十月)

Abrupt junction 突变结 Accelerated testing 加速实验 Acceptor 受主 Acceptor atom 受主原子 Accumulation 积累、堆积 Accumulating contact 积累接触 Accumulation region 积累区 Accum

发表于:2019-02-05 / 阅读(88) / 评论(0) 分类 实用英语

Every month new fitness products are hitting the market. The latest craze? Fitness shoes that claim to build muscles(肌肉). But do they work? Sports medicine expert Doctor Amadeus Mason says probably not. The main thing that makes one shoe better-off

发表于:2019-02-06 / 阅读(66) / 评论(0) 分类 六分钟英语

Daily Life - Mobile Phone Plan (C0106) B: Yeah, Ive just moved here, and Id like to activate my cell phone, and Im not sure if I should go with a prepaid plan, or a monthly rate plan. A: I see. Well, can I have a look at your phone? Unfortunately,thi

发表于:2019-02-08 / 阅读(173) / 评论(0) 分类 纯正地道美语

我们何时开始做梦

发表于:2019-02-09 / 阅读(81) / 评论(0) 分类 实用英语

The difference between these two mistakes may seem unimportant to a lay person, but to a cognitive psychologist it is crucial for understanding how language development occurs.In order for us to construct meaningful language, we must learn how to sup

发表于:2019-02-15 / 阅读(43) / 评论(0) 分类 英语时差8,16

Samsung is warning customers about discussing personal information in front of their smart television set. 三星警告消费者在智能电视前不要交谈个人信息。 The warning applies to TV viewers who control their Samsung Smart TV using i

发表于:2019-02-17 / 阅读(68) / 评论(0) 分类 阅读空间

科技--较量的新时代 Welcome to 'Today' - an hour of world news and analysis -- Today keeps you informed and inspired. I'm Suyi Coming up: China's Ministry of Industry and Information Technology said this week the country will further enhance

发表于:2019-02-22 / 阅读(54) / 评论(0) 分类 The Beijing Hour 新闻纵贯线

But the thinness of the clay layer clearly suggested that in Umbria, if nowhere else, something rather more abrupt had happened. 但是,这层薄薄的黏土显然表明,在翁布里亚,如果不是在别处的话,事情发生得非常突然。

发表于:2019-02-25 / 阅读(276) / 评论(0) 分类 万物简史

BRUSSELS, April 6 (Xinhua) -- The European Commission(委员会) confirmed on Wednesday Portugal's intention to request a bailout, pledging to deal with the request as soon as possible. The Portuguese Prime Minister, Jose Socrates, today informed

发表于:2019-02-25 / 阅读(98) / 评论(0) 分类 英语新闻
学英语单词
alternate proof
aminomethylphosphonic acid
anticrowd
aplonis panayensis
area of low pressure
avant canal
bakupari
Basutoland
bathing tubs
be cut to the bone
Bezhetsk
body part of a pig
Brolo
carbon heating element
cic (compensate ion chamber)
cisstimulation
coeruleofibrite
coordinating agency
dearomatises
demander
depolarizing cathode
devotionary
diacylamines
diaphragm type pressure sensor
divvies
double-current bridge duplex
drilling head
duplex, half
dwts
elastic hardness
enteroclysia
exponent sign
femto-farads
fine coupling
fixed brush
format select
Fourler-Stieltjes series
Geisa
gentiana algida pall var. sibiriva kusn.
genus toxostomas
Ginni
green ginger
hard disk array
head presentation
hertz effect
hilltop youth
hinokinin
hot line tool
icterus toxicus
improper installation
index range
know a little about
ladies-only
leading decision
log-normality
luner
magneto-optical media (mo media)
Maldon
manzamines
MEAP
mechanical projection system
meta-salts
molecular diamagnetism
monolithic boundary layer capacitor
moville
non-liquefying
nonpolitician
nonvulgar
normal demand curve
one-piece dress
pack it up
penstemon newberryis
phl
photographic image processing
planning run
planning variable
platform combine
power-rooms
Primary energy consumption
prime implicant table
rated-horsepower
reutilised
reversed martingale
roll over credit
round-point shovel
sea water ion-association model
serosorting
snowplough train
soil-sampling tube
soli-
spa-goers
span by span construction method
spot-welded
teaching idea
transvaluations
treos
usable width of lock chamber
waste filling
west turkistan
WiFi adapter
Yonashiro
zettaampere