化截面,非活化截面

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(82) / 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

RACHEL MARTIN, HOST: We're going to hear now about some new research that could help mental health professionals identify people who are likely to attempt suicide. NPR's Jon Hamilton reports on an effort to assess young adults by studying their brain

发表于:2018-12-17 / 阅读(101) / 评论(0) 分类 2017年NPR美国国家公共电台11月

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(59) / 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(94) / 评论(0) 分类 Scientific American(二)月

Scientists Identify Deafness Gene in Mice Scientists have identified a gene that causes deafness in mice, and they say it could lead to a better understanding of hereditary deafness in humans and maybe new treatments in the future. Scientists had pre

发表于:2019-01-13 / 阅读(94) / 评论(0) 分类 VOA标准英语2012年(一月)

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(55) / 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(213) / 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(86) / 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(80) / 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(42) / 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(67) / 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(53) / 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(274) / 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(96) / 评论(0) 分类 英语新闻
学英语单词
a-n signal a-n
Aboriginalisation
allybromide
annular counter
Arantangi
as fresh as a rose
authoritarians
basigenous
Bloody Sunday
bottle gourds
bromo-benzoyl chloride
cell spin
CFIDO
cladocerans
Clematis chiupehensis
clutch release finger
colored compound
complementary emitter follower
convergent iterative procedure
coordinate system paper
cutting-plane symbol
day-biters
demarcated
desquamates
direct electric process
disengage tracer
Doppler constant
Drag-lizard
durda
dysyng
effluent tax
emphasizers
enzyme digestion
epitonium melior
expiated
extinctors
Femara
file sending application
fishrib
frozen-core approximation
fungisterols
g-adaptation illusion
generalize for
Gregory of Nyssa, Saint
Gulf of California
have an interest in
high - pressure selling
high-rate cutting
hopologists
hydropexic
injection spray pipe
job's completion queue
levy war upon
LIMEDS
marking convention
merville
methylscopolamine
mimulus
minsh
multiple lamp holder
ocunterparty
omalo-
orlov
Palaeocene
Pedicularis dissectifolia
phthalophenone
phylloscopus inornatus
pliablest
pollen segregation
Pong Rok, Stung
pounces
refuge
rehanged
Retrop
reverse transmitter
salt-mud combination log
scoliopleura tumida
scuttle-butt
secreted
selenium(iv) oxyfluoride
self assertive behavior
semen cannabis
semi-polar liquid phase
siuslaw
Spiradiclis xizangensis
Stationary Office
stock minded
stoplog hoisting equipment
sweet cherry bark
tile roof
tongues wag
Trochus pyramis
turbulent atmosphere
unfearfully
United Nations Commission on the Status of Women
ventricular ectopy
vertical member
volume control block
Wallacia
welded seam can
wilch
zincoid