染色体遗传学说

23.Theory and Practice When talking about the importance of theory and practice,some people think theory is rather empty and abstract,so we should try to pratice a lot to obtain our goals;while others maintain that practice is rather too blind and wh

发表于:2018-11-28 / 阅读(387) / 评论(0) 分类 疯狂英语易背作文

Alice: Hello, I'm AliceStephen: And I'm Stephen. Alice: And this is 6 Minute English! This week were talking about sleepwalking. Have you ever walked in your sleep, Stephen? Stephen: I dont think so, but Ive been known to tell stories in my sleep. Al

发表于:2018-11-29 / 阅读(315) / 评论(0) 分类 六分钟英语

生活半对半[The 50-Percent Theory of Life] I believe in the 50-percent theory. Half the time things are better than normal; the other half, they are worse. I believe life is a pendulum swing. It takes time and experience to understand what normal

发表于:2018-11-30 / 阅读(360) / 评论(0) 分类 王强英语美文

Controling Cancer There are two main causes of cancer: heredity and environment. We can do nothing to change our heredity, that is, the basic physical characteristics that are passed on to us by our parents. However, we can do a great deal to control

发表于:2018-12-01 / 阅读(284) / 评论(0) 分类 大学英语六级听力短文

The Aldens followed the bike path through North Ridge Park on their way home from Cals house. The trees sheltered them from the wind, so it was easier pedaling here. The bike path became a narrow dirt trail through the thickest part of the woods and

发表于:2018-12-06 / 阅读(241) / 评论(0) 分类 113 The Box That Watch Found

Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. U

发表于:2018-12-15 / 阅读(384) / 评论(0) 分类 新东方背诵文选

Little girls are made of sugar and spice and, according to a study published in the journal Cell, a fierce determination to maintain their girlishness. Because it seems that a single gene keeps their ovaries from turning into testes. Scientists have

发表于:2018-12-24 / 阅读(205) / 评论(0) 分类 Scientific American(十二)月

Idiom: Like a moth to a flame ( doing something attractive and dangerous ) Hit the book: Potion Disability Inspire Down syndrome Chromosome

发表于:2018-12-27 / 阅读(223) / 评论(0) 分类 趣味青春英语

梦游症是会遗传的。 Alice: Hello, I'm Alice Stephen: And I'm Stephen. Alice: And this is 6 Minute English! This week were talking about sleepwalking. Have you ever walked in your sleep, Stephen? Stephen: I dont think so, but Ive been known to

发表于:2018-12-27 / 阅读(245) / 评论(0) 分类 一起听英语

Controling Cancer There are two main causes of cancer: heredity and environment. We can do nothing to change our heredity, that is, the basic physical characteristics that arepassed on to us by our parents. However, we can do a great deal to control

发表于:2018-12-30 / 阅读(168) / 评论(0) 分类 英语六级听力练习集锦

ECONOMICS REPORT - Work on 'Game Theory' Wins Nobel Prize for Two Economists By Mario Ritter Broadcast: Friday, October 14, 2005 I'm Bob Doughty with the VOA Special English Economics Report. Robert A

发表于:2019-01-02 / 阅读(266) / 评论(0) 分类 健康与经济

Neil: Hello and welcome to Six-Minute English from BBC Learning English, I'm Neil and with me today is Rosie. Rosie: Hi there. Neil: Well, today we're talking about men. Rosie: That sounds interesting. Neil: It is very interesting especially if you'r

发表于:2019-01-07 / 阅读(254) / 评论(0) 分类 六分钟英语

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(450) / 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(192) / 评论(0) 分类 2010年VOA慢速英语(八)月

Voice 1 Welcome to Spotlight. Im Rena Dam. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 Imagine a family with three children.

发表于:2019-02-14 / 阅读(311) / 评论(0) 分类 环球英语 Spotlight

Autism 自闭症 Why it's not Rain Woman 为什么它不是雨女 Women have fewer cognitive disorders than men do because their bodies are better at ignoring the mutations which cause them 与男性相比,患有认知障碍的女性较少,因为她

发表于:2019-02-16 / 阅读(187) / 评论(0) 分类 经济学人科技系列

1 Compared with conventional beef, grass-fed beef is higher in this health-promoting nutrient, which gives its fat a yellow color: 1、与传统牛肉相比,草饲牛肉中某种有益健康的营养素含量更高,并让脂肪呈现黄色,这种

发表于:2019-02-18 / 阅读(251) / 评论(0) 分类 阅读空间

美剧《生活大爆炸》搞笑主题曲:Big Bang Theory Artist:Barenaked Ladies Song:Big Bang Theory Our whole universe was in a hot dense state, 宇宙一度又烫又稠密 Then nearly fourteen billion years ago expansion started. Wait... 140亿年

发表于:2019-02-20 / 阅读(258) / 评论(0) 分类 流行英文歌曲

Pre-Listening Vocabulary blemish: an imperfection; a small flaw fade: to become less bright reincarnation: the belief that living beings die and then are reborn in a new form spear: a long sharp weapon that punctures the skin The Birthmark Theory Bir

发表于:2019-02-27 / 阅读(277) / 评论(0) 分类 趣谈英语

我们今天一起来看看白洁最喜欢的电视剧之一!Big Bang Theory! 生活大爆炸! 我们一起来学6季17集的美语说法! 1) How'd it go? 过得怎么样?2) Body language 身势语。如果你能看出某人有什么感觉,那就

发表于:2019-03-02 / 阅读(266) / 评论(0) 分类 OMG美语
学英语单词
actium
air-crew
automatic flexible strapping machine
bare bobbin
bayway
bracho
bregmacerotids
bring coals to Newcastle
cab cable
chorea gravidarum
clothworker
construction waste
consumer spending
cotutor
detonating devices
endoderm cell
Eurolex
feed kernel
finish up something
flying squid
forsell
gelseminine
geophysical signal
Geosiridaceae
gled
grant-aideds
half-minute
hardware/software co-design
human-computer dialogue
I-column
ICGN
idolist
industrial arts laboratory
infoldings
input/output function code
karst collapse
kuanda
kyrspe
langobardic
large-prints
laying depth
legislative control
length of buoyancy tank
liner vessel
lithium acetylide
loop phase locking
Lydian mode
mannopeptimycins
material purchase
mesuramic
modified aeration process
mylonite gneiss
mythico-
narrative history
non est inventus
nondisqualifying
nonprofessionally
northern winter
oleovitamin
ophthalmoscope
optical antipodes
ordinary helicoid
overlap-save convopution method
packet switched
peculium quasi-castrense
pedal pin
percussion pain
postauricular edema
potyvirus ornithogalum mosaic virus
proceed-to-select
processing materials supplied by clients
prodigious
production density
QEV
Raynesford
reforming gas
replenishment point
repudiation of treaty
saddam bin hussein at-takritis
scramble pattern
second-time-around echo
serum ferritin
share incentive scheme
sieve tube segment
signal detection
simple mapping
soluble glasses
sominex
split leather
stern-tube packing gland
tend to decline
thermoelectric couple
Trinity Hills
unshakingly
Usango
velours frise
vever
whiteners
worms out of
yark
Yehovah
zananas