活性沉积物

Today's topic is active voice versus passive voice. Here's Brian from Iowa: It drives me crazy when people write in passive voice. How can I teach people how to tell the difference between passive and active voice and stay away from passive voice? Th

发表于:2018-12-07 / 阅读(161) / 评论(0) 分类 英语语法 Grammar Girl

by Mignon Fogarty Today's topic is active voice versus passive voice. The podcast edition of this article was sponsored by GoToMeeting. With this meeting service, you can hold your meetings over the Internet and give presentations, product demos and

发表于:2018-12-15 / 阅读(160) / 评论(0) 分类 英语语法 Grammar Girl

Muslim Brotherhood Ready for More Active Role in Jordan From VOA Learning English, this is IN THE NEWS in Special English. The Muslim Brotherhood is one of the largest Islamic groups in the Arab world. For years, the Brotherhood has been banned in a

发表于:2018-12-16 / 阅读(134) / 评论(0) 分类 2013年VOA慢速英语(六)月

The top American military officer, Admiral Mike Mullen, has taken a particularly active role in changing the U.S. approach to Afghanistan, contributing to the new strategy, choosing the new commander for U.S. and NATO forces, and deciding to replace

发表于:2018-12-16 / 阅读(125) / 评论(0) 分类 VOA标准英语2009年(六月)

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres a Native American site in Ohio that appeared to be a fort. But recent discoveries by archaeologists at the University of Cincinnati show thats n

发表于:2018-12-24 / 阅读(160) / 评论(0) 分类 Scientific American(九)月

Roughly 1,000 years ago, Europe enjoyed several centuries of balmier average temperatures. Dubbed the Medieval Warm Period, it was the last time before the present that agriculture could flourish in Greenland. This era also provided fodder for countl

发表于:2018-12-24 / 阅读(153) / 评论(0) 分类 Scientific American(十一)月

(MA) Look at our topographical map and you'll see that the middle third of the North American continent --- from the Rocky Mountains almost to the Mississippi River --- is pretty flat. This is the Great Plains. This kind of area is sometimes called

发表于:2018-12-30 / 阅读(127) / 评论(0) 分类 托福听力短文

About 110 million years ago, a large plant-eating dinosaur covered with sharp points walked the land. Called a nodosaur, it is now the best example of its kind ever found. This new species of dinosaur is being called a one-in-a-billion discovery. Rec

发表于:2019-01-02 / 阅读(157) / 评论(0) 分类 2017年VOA慢速英语(五)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. As scientists delve deeper beneath the oceans surface, they find bizarre creatures that have adapted to harsh and extreme environments. Now comes a new o

发表于:2019-01-08 / 阅读(168) / 评论(0) 分类 Scientific American(四)月

Iranian President Mahmoud Ahmadinejad's visit to Istanbul last week is seen as part of Ankara's increasingly active role in the Middle East, after decades of passivity in the region. At the same time, some analysts say, Turkey's ties to the West are

发表于:2019-01-13 / 阅读(182) / 评论(0) 分类 VOA标准英语2008年(八月)

World Health Day Focuses On 'Active Aging' Shelby Harris just celebrated his 111th birthday. His secret? I try to live the right kind of life, he said. I try to live the truth, I love everybody and I want everybody to love me. Some experts say a posi

发表于:2019-01-13 / 阅读(156) / 评论(0) 分类 VOA标准英语2012年(四月)

Lake Sediment Could Better Date Ancient Finds Radiocarbon dating is the best-known and most widely used method to determine the age of organic material, such as bone or wood or plant matter. All such material contains radioactive carbon atoms, known

发表于:2019-01-14 / 阅读(137) / 评论(0) 分类 VOA标准英语2012年(十月)

The geology of the planet 地球的地质情况 Welcome to the Anthropocene 欢迎来到人类纪 Humans have changed the way the world works. Now they have to change the way they think about it, too 人类改变了世界运行方式,现在,人类不

发表于:2019-01-26 / 阅读(189) / 评论(0) 分类 经济学人综合

LONDON, July 4 (Xinhua) -- Anders Fogh Rasmussen, Secretary General of the North Atlantic Treaty Organization (NATO) expressed his hope on Wednesday that NATO would seek a more active dialogue with China. We must expand the range of nations with whom

发表于:2019-01-30 / 阅读(216) / 评论(0) 分类 英语新闻

SEOUL, Nov. 8 (Xinhua) -- Samsung Electronics, the world's largest flat screen TV vendor, said Tuesday that it has suspended its plan to develop active shutter three-dimensional (3D) TVs with RealD, the U.S.-based 3D technology supplier. Samsung has

发表于:2019-01-30 / 阅读(187) / 评论(0) 分类 英语新闻

今天我们要学的词是active duty。 Active duty, 现役的。星期一是美国阵亡将士纪念日。 My friend Jack is an active duty Army Captain who has deployed overseas three times, 我朋友杰克是现役陆军上尉,先后三次被派

发表于:2019-02-05 / 阅读(181) / 评论(0) 分类 英语每日一词

CANBERRA, Oct. 14 (Xinhua) -- Australian scientists have made the alarming discovery that sea levels have risen more in the past century than at any other comparable period in the past 6,000 years. Researchers from the Australian National University

发表于:2019-02-06 / 阅读(165) / 评论(0) 分类 英语新闻

今天我们要学的词是active duty。 Active duty, 现役的。星期一是美国阵亡将士纪念日。 My friend Jack is an active duty Army Captain who has deployed overseas three times, 我朋友杰克是现役陆军上尉,先后三次被派

发表于:2019-02-16 / 阅读(137) / 评论(0) 分类 英语单词荟萃

Saying Good-bye to Cambridge Again --by Xu Zhimo 再别康桥 徐志摩 Very quietly I take my leave As quietly as I came here; Quietly I wave good-bye To the rosy clouds in the western sky. The golden willows by the riverside Are young brides in the

发表于:2019-02-18 / 阅读(174) / 评论(0) 分类 阅读空间

世界本没有长难句,修饰成分多了,便有了长难句。 阅读速度大部分来于短时间内理解长难句的能力。 大家在看长难句的时候,多思考,一个句子为什么这么长,常见的修饰成分到底有哪些?

发表于:2019-02-18 / 阅读(166) / 评论(0) 分类 托福英语
学英语单词
a question mark
acceptance region
amanita rufoferruginea
Américo Teixeira
antianaphyaxis
antitruster
argument association
artificial suppression
autonomous block
bamboo tally
baza(a)r
Benineses
black henbane
briefcase-sized
brilliance of sound
bulb of corpus spongiosum
Cab-O-sil
cacao brown
calcium adipate
cast in a mould
Chany, Ozero
Chemotaxins
coke-forming period
cone-and-disk viscometer
copidothrips formosus
cycle through
dense suspension
Devitt Committee Report
domestic vein
downdraught grate
dry-laid nonwoven fabric
duodecillionth
Eritreanness
Eubacteriaceae
ex d.
final-run ship
fluid-type instability
four-bolts
functional reconstruction of thumb
Ga'āb Terara
genus Callisaurus
grammar-school
hat switch
high-voltage testing transformer
hormone treatment
inequivalvular
infectiously
inner ostracum
intel personal internet client architecture
interfacial tension
internuncial
isringhausen
Juba I
Kathmandu
laggan b.
laick
ledger account with balance column
leukocytolysin
likelihood ratio correlation
loops in
low-debt
Magnachrome
Masalazine
military marches
moncrieffe
National Aeronautical Laboratory
net-of-tax
Newton's rule
noncaseating
nonproject
not any more than
nyiragongo
okayest
perenniporia medullapanis
photomotograp
Pinus taiwanensis
prose
quasi-monochromatic
rake up the smouldering embers of
regeneration from sprout
research institute of chemical machinery
rosings
ruckman
scale radius cells
seissors fault differential fault
shacs
ski shaped blade
sounding bridge
speckled rattlesnake
staff shares
steepest grade
telegraph emission
to make money hand over fist
topsy turvy
triangrilar folds.
tungsten(iii) oxide
undersynchronous braking
want and desire
water conservancy planning
White's operation
wingless autogiro
zirconium phosphate