生态种概念

Tsunami Sent Species on a Transoceanic Trip 海啸引发的物种跨洋迁移 The massive earthquake that rocked Japan in March 2011 took thousands of lives. It sent tsunami waves more than a hundred feet high towards northern Japan, where they batte

发表于:2018-12-02 / 阅读(142) / 评论(0) 分类 2017年Scientific American(十)月

Cooling, Drying Climate May Have Led to Neanderthal Disappearance A new study suggests that ancient periods of cold and dry climate helped our species take the place of Neanderthals in Europe. Researchers found that such cold periods happened at the

发表于:2018-12-08 / 阅读(104) / 评论(0) 分类 2018年VOA慢速英语(九)月

2009年12月大学英语四级作文范文 I am the part of the Green Campus The Olympic Games was hold in our country last year. Green and Environment-protecting is one of the Three Themes of it. Our government has made a great effort in order to protect the e

发表于:2018-12-08 / 阅读(108) / 评论(0) 分类 四六级写作指导

雅思写作环保类重点词汇 1.vivisection活体解剖 2.perform. experiments on animals在动物身上做试验 3.test animals用于实验的动物 4.be subjected to experiments被迫接受试验 5.animal rights动物权利 6.clinical research临

发表于:2018-12-19 / 阅读(116) / 评论(0) 分类 雅思英语

41.usher in a brand-new lifestyle. 带来一种崭新的生活方式 42.enrich peoples spiritual life 丰富了人们的精神生活 43. Lead to the extinction of some species 导致了一些物种的灭绝 44. penetrate every corner of our life and

发表于:2018-12-19 / 阅读(131) / 评论(0) 分类 雅思英语

Darwin's fabled isles, the Galapagos, are in need of a makeover. And removing invasive species of plants tops the to-do list for the islands restoration. But six species that were set to be exterminated have gotten a reprieve. Because a new study fin

发表于:2018-12-24 / 阅读(144) / 评论(0) 分类 Scientific American(十一)月

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Since so many species in a food web are interconnected, the demise of a one can mean extinction for several others that depend on it for food. Thanks to things like

发表于:2019-01-08 / 阅读(151) / 评论(0) 分类 Scientific American(八)月

You shouldn't judge a book by its cover, and you shouldn't judge a species by place of its origin, so say ecologists in the commentary in the Journal Nature. They argued that conservation should access organisms based on their impact on the local env

发表于:2019-01-08 / 阅读(107) / 评论(0) 分类 Scientific American(六)月

新gre作文写作考察考生完成题目过程中是否能够融合批判性思维和分析写作能力,以下是gre考试写作部分issue的优秀写作实例,通过这些优秀范文或是习作,考生可以借鉴里面的短语、句子或思

发表于:2019-01-08 / 阅读(72) / 评论(0) 分类 GRE作文

This is the VOA Special English Agriculture Report. Mangroves are unusual looking trees. They have roots that stand in saltwater and look like cables or ropes laid one on top of another. Mangroves are not just pretty -- they help the environment. But

发表于:2019-01-12 / 阅读(87) / 评论(0) 分类 2010年VOA慢速英语(四)月

Human demands on natural resources have doubled in under 50 years and are now outstripping(超过) what the Earth can provide by more than half, a new report has warned. And humanity carries on(继续) as it is in use of resources, globally i

发表于:2019-01-26 / 阅读(99) / 评论(0) 分类 英语新闻

Have you ever said, I know it like the back of my hand? Well, how well do you know the back of your hand? Or the back of your knee? Or behind your ears? Probably not as well as scientists at the National Institutes of Health who just completed a sur

发表于:2019-01-30 / 阅读(160) / 评论(0) 分类 60秒科学

题目: At various times in the geological past, many species have become extinct as a result of natural, rather than human, processes. Thus, there is no justification for society to make extraordinary efforts, especially at a great cost in money a

发表于:2019-02-01 / 阅读(141) / 评论(0) 分类 GRE英语

1. Why that two-timing! 为什么那么不专情。 2. Don't let it get you down. There are plenty of fish in the sea。 别让这件事影响你的情绪。天涯何处无芳草。 3. Are you cheating on me? Because I've been hearing some rumors。 你

发表于:2019-02-07 / 阅读(146) / 评论(0) 分类 英语新闻

同样主题,SAT写作题目切进角度相对较浅。 例如,隐私的这个话题,SAT只会问人是否应该保护隐私?而GRE题目则会这样说:某些明星、政客不得不,甚至愿意让公众对他们的隐私感爱好。论述起

发表于:2019-02-09 / 阅读(107) / 评论(0) 分类 GRE作文

Needed: Info on Biodiversity Change over Time We find that the composition of ecosystems around the world is changing much more rapidly than we expected. Indeed, much more rapidly than ecological theory predicts. 我们发现,世界各地生态系统

发表于:2019-02-14 / 阅读(117) / 评论(0) 分类 2018年科学美国人3月

Planning IELTS essays and finding ideas This lesson looks at how planning better can help you write better essays. I focus in particular on ideas something that catches many candidates out. The two key points are that the ideas you need to write an I

发表于:2019-02-18 / 阅读(169) / 评论(0) 分类 雅思英语

Science and technology 科学技术 Invasive species 侵略性物种 Thorny questions 棘手问题 The ecological effects of buckthorn in North America 北美鼠李属植物的生态影响 CONSERVATIONISTS, being by definition conservative, usually v

发表于:2019-02-24 / 阅读(174) / 评论(0) 分类 经济学人科技系列

With the extinction of many precious animal species, a large sum of money has been spent on the protection of wild animals. However, some people hold the opinion that this money should be spent on the human race. These people argue that we have not s

发表于:2019-02-26 / 阅读(187) / 评论(0) 分类 雅思英语

According to a document released at the conference by China's Ministry of Environmental Protection, the country has established over 2700 nature reserves covering a combined area of nearly 1.5 million square kilometers. That accounts for about 15 per

发表于:2019-03-04 / 阅读(243) / 评论(0) 分类 2016CRI中国国际广播电台
学英语单词
acid alizarine dyes
alizarin brown
amorphous aconitine
apewind
auspicing
bipost lamp base
bipropellant rocket engine
black balance
book-collectors
by every means
c language integrated production system
Cenodiscicae
churruca
circumferential prestressing tendon
classfellow
combustion bomb
commutator frequency converter
compressionism
computer file name
contractual usage
costmaries
cross-caps
DEUC
dextrimaltose
digital cmos integrated circuits
divinely
eddy-current tube test
Ellerslie
Euonymus huangii
even subgraph
female character
fingerprint suppression
flying clock
fo shizzle my nizzle
fog pollution
Gassum
gastrosexual
geophysically
germanium-orthoclase
goody goodies
half floated rate gyro
head-end reprocessing
Hebraistic
helical coil
home-appliances
icumazole
Ipodiot
ivory-tower
local excision of lesion of pancreas
lock hierarchy
macrocysitis pyrifera ag.
mains breakdown
Makat
mantling
material well
maximum relieving length
mayolas
mischiefe
Mongolian barbecues
multi-phase load module
multiple power series
Munro baggers
nonstress tests
North Mamm Peak
O'Sullivan Dam
Otakar I
OWMR
phthalhydrazide
physalospora obtusa(schw.)cooke
pilis simplices
pillow lava
prevention measures
questionaire mail
ram air turbine (rat)
random acess sorter
rate of stocking
rectangular drainage
roleplayed
sagradas
San Ildefonso, C.
saturated groundwater
somatocrinin
Soviet Union
statement of operating revenue
structure group
subsurface pressure
subterranean deposit
sulcus arteriae vertebralis
sulfoxide
suppositors
synergidae
theory of inheritance
till i find you
trade counter
transposition arm
Triamcort
triple-furnace
unparadises
weft crackiness
Wilkins, Maurice Hugh Frederick
wool grease
wulls