系统突变假说

I want to speak to the American people again today because some of this primary information that has surfaced in the last twenty-four hours raises some serious concerns. Its been widely reported that the father of the suspect in the Christmas inciden

发表于:2018-12-01 / 阅读(195) / 评论(0) 分类 美联社新闻一分钟2009年(十二)月

[00:04.49]Scientific Attitudes [00:06.97]科学的态度 [00:09.46]Science had its beginning when man started asking questionsabout his environment. [00:14.18]科学起源于人类开始对自身环境产生疑问的时候. [00:18.91]He wondered where the sun went at night an

发表于:2018-12-04 / 阅读(128) / 评论(0) 分类 大学英语自学教程上

(woman) In our lab today, we'll be testing the hypothesis that babied can count as early as five months of age. The six babies here are all less than six months old. You'll be watching them on closed-circuit TV and measuring their responses. The exp

发表于:2018-12-05 / 阅读(173) / 评论(0) 分类 托福听力短文

Photo: AP President Barack Obama speaks at the Marine Corps Base Hawaii in Kaneohe Bay, Hawaii, 29 Dec 2009 U.S. President Barack Obama said Tuesday that a systemic failure in security allowed the attempted Christmas Day attack on a Northwest Airline

发表于:2018-12-08 / 阅读(129) / 评论(0) 分类 VOA标准英语2009年(十二月)

1. Would you mind ____ quiet for a moment? I'm trying ____ of form. A) keeping,to fill out B) keeping,filling out C) keep,to fill out D) to keep,to fill out 2. Mercury is different from other industrial metals ____ it is a liquid. A) because of B) wh

发表于:2018-12-17 / 阅读(103) / 评论(0) 分类 大学四六级阅读

托福阅读的问题,归根结底就是读不懂:文章读不懂,或者问题和选项读不懂。一切所谓的解题技巧也是为了帮助我们读懂,而不是在读不懂文章的基础上仍然能够解题。在一篇700多单词的文

发表于:2018-12-19 / 阅读(123) / 评论(0) 分类 托福英语

This Scientific Americans 60-Second Science. I am Karen Hopkin. This will just take a minute. They say that older folks benefit from spending time with young people. And thats not just an excuse to stick grandma at the kids table at Thanksgiving. Now

发表于:2018-12-24 / 阅读(128) / 评论(0) 分类 Scientific American(五)月

Idiom: Off the record 非正式的,不记录下来的事 Hit the book: Likelihood Strain Incorporate Well-being Complement Be consistent with Hypothesis

发表于:2018-12-27 / 阅读(137) / 评论(0) 分类 趣味青春英语

人的一生中,将近三分之一的时间是用于睡觉的。刚出生的婴儿几乎每天要睡20个小时;即使成年后,每夭至少要睡 6~7小时。 不管睡眠时间长短如何,睡觉看来是人必不可少的行为。这一点

发表于:2018-12-27 / 阅读(126) / 评论(0) 分类 英语听力广播—Listening

LESSoN TEN (B) TEXT B Solving problems Scientifically There are scientific ways in which man solves problems. once his curiosity has been aroused, he uses certain methods and procedures to obtain new

发表于:2018-12-30 / 阅读(195) / 评论(0) 分类 自考英语(一)78讲

Rainforests exist because it rains a lot and that makes the forests grow, right? Well, not so fast. What if its not the rain that makes the forestswhat if its the forests that actually generate the rain? Thats the contention of a paper in BioScience

发表于:2019-01-02 / 阅读(189) / 评论(0) 分类 60秒科学

radiodermatitis 射线皮炎 relapsing secondary syphilis 二期复发梅毒 renal purpura 肾型紫癜 scabies 疥疮 scale 鳞屑 scar 疤痕 scarlatiniform erythema 猩红热样红斑 scleroderma 硬

发表于:2019-01-03 / 阅读(160) / 评论(0) 分类 医务英语

This is scientific American's 60-Second Science, I'm Karen Hopkin, this'll just take a minute. If theres anything better than a fresh, ripe, tomato, its a gigantic fresh, ripe tomato. And thanks to a couple of mutations, thats exactly what we all enj

发表于:2019-01-08 / 阅读(157) / 评论(0) 分类 Scientific American(五)月

Rainforests exist because it rains a lot and that makes forests grow, right? Well, not so fast. What if its not the rain that makes the forests? What if its the forests that actually generate the rain? That is the contention of a paper in BioScience

发表于:2019-01-08 / 阅读(148) / 评论(0) 分类 Scientific American(五)月

Scientists have identified a unique genetic mutation in about 10 percent of people with type 2 diabetes(糖尿病) studied in the United States and Europe. The discovery could help some people learn if they are at risk of developing diabetes so they

发表于:2019-01-11 / 阅读(181) / 评论(0) 分类 英语新闻

本期内容: Carrie Gracie says the reaction to her resignation as the BBC's China editor shows there is a depth of hunger for equal, fair and transparent pay. The journalist, speaking as she co-presented the Today program with John Humphrys, has

发表于:2019-02-11 / 阅读(125) / 评论(0) 分类 夏说英语新闻晨读

MADRID, Dec. 2 (Xinhua) -- Spain coach Vicente del Bosque was cautious about his side's chances of success in the 2012 European Championship after the draw was held in Kiev on Friday. Spain travel to the competition, which will be held in Poland and

发表于:2019-02-18 / 阅读(115) / 评论(0) 分类 英语新闻

What is going on in this baby's mind? If you'd asked people this 30 years ago, most people, including psychologists, would have said that this baby was irrational, illogical, egocentric -- that he couldn't take the perspective of another person or un

发表于:2019-02-23 / 阅读(109) / 评论(0) 分类 英语语言学习

在托福阅读备考过程中,没有一点心机是不行的!我们在选资料,练真题,解题等方面都要有方法有技巧的进行,以下是小编这个心机girl给大家推荐的几点心机秘籍,助力大家早日取得托福阅

发表于:2019-03-04 / 阅读(176) / 评论(0) 分类 托福英语

生活大爆炸第一季第二集_3The Big Bran Hypothesis -Penny:Hey, Raj. 嗨,Raj。 Hey, listen. 嘿,听着。 I don't know if you heard about what happened last night with Leonard and Sheldon, 我不知道你是否听说了,昨晚 Leonard和

发表于:2019-03-16 / 阅读(384) / 评论(0) 分类 生活大爆炸第一季
学英语单词
absolute amount of skewness
adjustable handle
after contraction
airoperated
albolene
andreasen pipet(te)
antimony iodide
apiofuranoses
application of mathematics
arteriae dorsalis penis
autochthonous species
bad'un
big as life
celaenorrhinus kurosawai
coiler can
coldjunction
commercial autopilot
concentful
copepods
crown competition factor
cuspate
cymbals
direct access hashing
domain transit
domiciled draft
EEC European Economic Community
enfeebles
evitable
evol
fetal body
fragilaria oceanica
fudgily
galactosephosphates
Gauri
gelled patterning and gilding
genus dovyaliss
george washington bridges
geosim
Haboro-gawa
hornblende akenite
hughe
hypothenuse
ingratiate
initial index of refraction
input terminal
integrity monitoring of containment
irinotecan
Itxassou
katibs
Kitonga
Kodingauk
laboratory automation system
lpci flow
Mandab Strait
matrix tree theorem
mean cell transfer delay
method of simple structure
molybdenum tetrasulfide
multinational corporation
neccc
network-neutrality
no-bake process
noncoherent radiation
nonentanglement
nonheaded
os coccygis
outgross
overuse causing disease
paint staining
passengers transport regularity rate
peak absorption coefficient
Pourcieux
prehnites
Pseudocyclograpta
redias
riner
rouennais
sample program listing sequence
sand dollar
scobiform
scotomy
seismic wave path
sergeant aviator
series modality
sod formation
soil necrophagous animal
soporus
source of power
sub-woofer
submillimeter
synchro resolver repeater
Thalictrum chelidonii
total stocks
triple point of equilibrium hydrogen
ultra-low weight portable power-driven sprayer
unenforceable reform
unknottedness
urge on
value securities
vertical delay multivibrator
vlaho
zirconium trichloride