水栖哺乳动物

More than 16 mammals species like the famous fly squirrel have adapted the ability to sail from tree to tree, thrilling Yes, but what is the evolutionary advantages. One theory suggests gliding saves energy, so researchers test that idea using colugo

发表于:2018-12-24 / 阅读(91) / 评论(0) 分类 Scientific American(七)月

This is Scientific Americans 60 Second Science, I am Cynthia Graber, this will just take a minute~ Want to suss out the existence of a shy mammal in a tropical jungle? Just check a bloodsucking leech. Scientists estimate that about a quarter of the w

发表于:2018-12-24 / 阅读(59) / 评论(0) 分类 Scientific American(四)月

It really is rocket scienceresearchers are using huge x-ray scanners from NASA to understand how sonar might be affecting the hearing of large ocean mammals. These scanners are usually used to inspect the space shuttles solid fuel rockets. Navy sonar

发表于:2018-12-24 / 阅读(79) / 评论(0) 分类 Scientific American(十一)月

Some people eat to avoid being bored. Others to avoid doing something theyd rather not, like preparing a podcast. Now a report says we might eat to avoid fungi. Because warm-bloodedness, a condition that requires a lot of calories, may have evolved t

发表于:2018-12-24 / 阅读(50) / 评论(0) 分类 Scientific American(十)月

UNIT 34 NATURE (I) ANIMAL WORLD Lesson 67 Part I UNIT 34 NATURE (I) ANIMAL WORLD Lesson 67 Part I Warming-up Exercises Spot Dictation: Animals Unlike most plants, animals are living ____ that have the

发表于:2018-12-27 / 阅读(52) / 评论(0) 分类 英语听力入门 (全四册)

谈到视角,很多同学可能会问,当我谈论视角的时候,我在说什么。看以下GRE考试中的一句话: The large number of physiological and behavioral similarities between birds and mammals, which have separate evolutionary h

发表于:2019-01-03 / 阅读(82) / 评论(0) 分类 GRE英语

Conservationists are overestimating the number of species that have been driven to extinction(消失), scientists have said. A study has found that a third of all mammal species declared extinct in the past few centuries have turned up alive and well

发表于:2019-01-07 / 阅读(66) / 评论(0) 分类 英语新闻

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Climate change affects seasonal eventsspring flowers open earlier, songbirds breed sooner. But what about mammals? A new study documents the effect on a

发表于:2019-01-08 / 阅读(65) / 评论(0) 分类 Scientific American(六)月

Mammals 哺乳动物 What animals can produce milk for their babies? Mammals. 什么动物能为它们的宝宝产奶?哺乳动物。 Dogs, pigs, elephants, lions, dolphins and bats are examples of mammals. 猪,狗,大象,狮子,海豚和蝙蝠

发表于:2019-01-10 / 阅读(103) / 评论(0) 分类 与美国小学生一起学英文第8册

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Barbara Klein. This week, we will tell about mammal populations in danger of disappearing. We will also tell about one kind of animal that disappeared

发表于:2019-01-11 / 阅读(104) / 评论(0) 分类 VOA慢速英语2008年(十一)月

Could Rising Temperatures Mean Smaller Mammals? Scientists say in the ancient past, higher temperatures meant smaller mammals. Theyre studying how a brief, but dramatic climate change event affected body size. Its called the Paleocene-Eocene Thermal

发表于:2019-01-14 / 阅读(68) / 评论(0) 分类 VOA标准英语2012年(二月)

[00:04.83]Lesson 13 [00:08.64]1.Learn to say [00:12.79]I'm going to talk about six types of animals. [00:16.34]我要说一说六种动物. [00:17.67]The first type-mammals.第一种--哺乳动物. [00:21.11]People are mammals.人类就是哺乳动物

发表于:2019-01-15 / 阅读(207) / 评论(0) 分类 闽教版小学英语六年级下

在托福考试中,得阅读者得天下,为此上海新东方小编从词汇,题材,题型,解题方法等几大模块入手,为您精心整理了托福阅读技巧攻略的完整版,以方便广大考生备考。 托福阅读的词汇问

发表于:2019-01-17 / 阅读(57) / 评论(0) 分类 托福英语

托福阅读的词汇问题似乎是大家一向比较有争议的一件事情,有的人认为托福阅读只要四级甚至高中的词汇量就可以搞定,但是有的人觉得单词背得多多益善,还要尽量多背一些专业词汇。其

发表于:2019-01-17 / 阅读(66) / 评论(0) 分类 托福英语

托福阅读的词汇问题似乎是大家一向比较有争议的一件事情,有的人认为托福阅读只要四级甚至高中的词汇量就可以搞定,但是有的人觉得单词背得多多益善,还要尽量多背一些专业词汇。其

发表于:2019-01-17 / 阅读(67) / 评论(0) 分类 托福英语

Then a strange thing happened. 这时,一件神秘的事情发生了。 All the gigantic reptiles died within a short time. 所有这些庞大的爬行动物在短时间内悉数灭绝。 We do not know the reason. 我们不知道其中的原因。

发表于:2019-01-21 / 阅读(72) / 评论(0) 分类 美国学生人类历史

Lyell's oversights were not inconsiderable. He failed to explain convincingly how mountain ranges were formed and overlooked glaciers as an agent of change. He refused to accept Louis Agassiz's idea of ice agesthe refrigeration of the globe, as he di

发表于:2019-01-29 / 阅读(53) / 评论(0) 分类 万物简史

57 这种动物是人类的祖先吗? DATE=6-13-01 TITLE=SCIENCE REPORT - Ancestor of Humans BYLINE=Jill Moss (Start at 59

发表于:2019-01-30 / 阅读(130) / 评论(0) 分类 科技之光

? 澄清托福阅读单词问题的两个误区? 托福阅读的词汇问题似乎是大家一向比较有争议的一件事情,有的人认为托福阅读只要四级甚至高中的词汇量就可以搞定,但是有的人觉得单词背得多多益

发表于:2019-02-09 / 阅读(54) / 评论(0) 分类 托福英语

睡眠革命 Evolution of sleep Sleep is very ancient. In the electroencephalographicsense we share it with all the primates and almost allthe other mammals and birds: it may extend back asfar as the reptiles. There is some evidence that the two type

发表于:2019-02-12 / 阅读(55) / 评论(0) 分类 托福英语
学英语单词
abime
admit reason
Alamogordo
angelica seed
azinphos ethyl
baked potato
barkeries
bedding sand
benthoal
Beshir
boron oxide
Brahman
brightness contrast
Chacim
characteristic multiplier
courtierlike
cover heating
cullambine
decrowns
denture hypertrophy
diacetyl dioxime
doublet interval
Dzelter
effective horsepower
equivalent monoplane span
eutrophic water
first-degree burns
floxes
foot platform
forschner
Frankenstein's monster
galax urceolatas
Glareolidae
glyphographs
gold-trafficker
grassina
grecise
ground-berries
grounding conductance
He that runs fastest gets the ring.
homogeneous
hot atom
image event
industrial logic-sequence controller
introspection method
irgafen
K-region
Klosterhardt
linear alkylbenzene
Loose Credit
Lubuskie, Pojezierze
machilus ichangensis rehd. et wils
microwave space research facility (msrf)
most-favoured-nation treatment
Ni'līn
nondedicated laboratory computer
nostra
Oberschützen
optical strip
organized administration
over and under design
over-specialize
Palomera, Sa.
pay by check
Penalty tax
Pesomax
Planitero
polar circle
Potamogeton franchetii
pressure tendency chart
pricing at market
psychoda longivirga
recovery rate
red-beards
ricardian trade model
ringer equivalency number
rnle
romano-ward
Samakala
sambava (sahambavany)
scin
secondary strut
shionon
Silene holopetala
slot way
smarties
so yeah
source range monitor
stewartstown
superliner
superlobbyist
test beam
thwartedness
Transformer Insulation
transiences
transversal slope cultivation
unconstitutionally
water slurry of pigment
whitey
worldly wealth
Wörth an der Donau
zenith point