尘云假说

[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(114) / 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(140) / 评论(0) 分类 托福听力短文

Now, try to imagine 1,000 million years! 现在试着想象10亿年(有多长)! At that time there were no large animals, just creatures like snails and worms. 当时还没有巨型动物,只有蜗牛和虫这样的生物。 And before then t

发表于:2018-12-07 / 阅读(96) / 评论(0) 分类 世界小史

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(87) / 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(106) / 评论(0) 分类 托福英语

M: Excuse me! W: May I help you? M: Yes, I'd like to send this book to France. W: Let me weight it first. That'll be 14 dollars. M: Can it go in an envelop? W: Of course, it's 4 dollars now. M: Do I need stamps? W: No, you don't. We use computers no

发表于:2018-12-26 / 阅读(89) / 评论(0) 分类 想聊就聊

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(117) / 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(103) / 评论(0) 分类 英语听力广播—Listening

Many regions within these clouds can stay like that for ever for millions of years until something happens, a trigger and then a star forms.The trigger for such a monumental event doesn't have to be much, two clouds conbine as they pass, or a distant

发表于:2018-12-27 / 阅读(111) / 评论(0) 分类 探索与发现2015年

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(174) / 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(173) / 评论(0) 分类 60秒科学

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(132) / 评论(0) 分类 Scientific American(五)月

Clouds, they are fluffy, white and full of mystery. Although scientist may have better handle on clouds, even they don't know at all. Because the new study can show that atmosphere gases can help clouds form in a way no one had ever considered. That'

发表于:2019-01-20 / 阅读(101) / 评论(0) 分类 Scientific American(二)月

We are taking a ride through the Milky Way. First, we are traveling to a place where stars are born. Even at the speed of light, 196,000 miles a second, the journey lasts for 1,500 years. We've arrived at the vast glowing cloud of gas and dust, the g

发表于:2019-01-22 / 阅读(140) / 评论(0) 分类 自然百科2011年

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(92) / 评论(0) 分类 英语新闻

M: Excuse me! W: May I help you? M: Yes, I'd like to send this book to France. W: Let me weight it first. That'll be 14 dollars. M: Can it go in an envelop? W: Of course, it's 4 dollars now. M: Do I need stamps? W: No, you don't. We use computers now

发表于:2019-02-21 / 阅读(89) / 评论(0) 分类 英语口语

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(94) / 评论(0) 分类 英语语言学习

I left out in a cloud of taillights and dust Swore I wasn't coming back, said I'd had enough Saw you in the rear view standing fading from my life But I wasn't turning around, no not this time but Chorus: Don't Think I Don't Think About It Don't thin

发表于:2019-02-26 / 阅读(107) / 评论(0) 分类 美国乡村音乐

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(161) / 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(365) / 评论(0) 分类 生活大爆炸第一季
学英语单词
-ild
A.M.P.
ABEM
acanthocephaliases
amoebiosis
annotationists
auxiliary assumptions
Biblical Aramaic
biochronostratigraphic
Boolean number
bow in with
Caister-on-Sea
caked
channel frequency indicator
church services
co-ordinated drive
computational sensor
cruel and unusual punishment
Debye equation
decasualise
degaussing protection
delayed allergies
demographic genetics
Djambala
double-current system
drifting-sand filter
Ekman current meter
elastic boundary
electric contact liquid-in-glass thermometer
energy tax act
fabric luster streak
fellatrice
Fitch,Val
flag at halfmast
Flora, Mys
frequency spectrum
galeid
gap between imports and exports
gap coefficient
get on trust
graphite fibre reinforcement
hair triggers
hartas
heterotypic division
household appliances
impairment of capital account
interlocking block
internection
jungleland
laservisions
lawgiving
lemonade mix
liability for the risk of loss
lophospyris pentagona pentagona
lost you
lowfat
Lyapunov exponent
melchites
Mingrelia
moreever
multiple-product cost system
Neo-Urografin
non-linear motion
octave fugue
panegyrises
Paplin
plaster statue
presentation for payment
preventor
pseudolanguage
pubcrawls
quasi-governments
radioactive bombardment
Ratak Chain
reaved
reduced distribution function
reference specimen
relationship selling
river crossing levelling
safehold
separably generated
Sichunanoceras
sinking spell
socioanthropologist
streitgenossenschafts
suitcaseful
superopaque enamel
tension under optic test
toilet jack
total alkalinity
total residue
trilby
true integral
two-strand line
vicho
vinegar joe stilwells
volume table
walpuagite
Waterberg
wholistic psychotherapy
wire frame objects