淡水生物群落

44.Obtaining Fresh water from icebergs The concept of obtaining fresh water from icebergs that are towed to populated areas and arid regions of the world was once treated as a joke more appropriate to cartoons than real life. But now it is being con

发表于:2018-11-28 / 阅读(452) / 评论(0) 分类 新概念优美背诵短文50篇

Water Cycle 水循环 All the oceans on earth are salty, while inland water is typically fresh. How does water become salty? We'll answer a listener's question -- today on Earth and Sky. DB: This is Earth and Sky. We recently visited the Austin Childr

发表于:2018-12-07 / 阅读(120) / 评论(0) 分类 (科普英语)Earth and Sky

Broadcast: February 21, 2003 By George Grow This is the VOA Special English Environment Report. Everywhere, water use is increasing. Humans already use fifty-four percent of all the fresh water in riv

发表于:2018-12-07 / 阅读(94) / 评论(0) 分类 VOA2003(上)-社会广角

[00:01.94]Fresh water [00:03.71]Rivers, lakes and wet-lands are sources [00:06.23]of fresh water,not only for humans, [00:08.50]but for wildlife too. [00:10.35]Due to pollution and climate change, [00:12.60]about 50% of the world's fresh water habita

发表于:2018-12-13 / 阅读(137) / 评论(0) 分类 北师大版高中英语模块8(选修)

The concept of obtaining fresh water from icebergs that are towed to populated areas and arid regions of the world was once treated as a joke more appropriate to cartoons than real life. But now it is

发表于:2018-12-15 / 阅读(124) / 评论(0) 分类 新东方背诵文选

[00:00.00]Global Shortage of Fresh Wat [00:03.53]Fresh water seems to be inexhaustible.Every day,as soon as the tap is turned on,water will run endlessl [00:13.40]Besides,we can get fresh water in rivers and well [00:17.48]So,some people don't treasu

发表于:2018-12-30 / 阅读(64) / 评论(0) 分类 英语六级听力练习集锦

The concept of obtaining fresh water from icebergs that are towed to populated areas and arid regions of the world was once treated as a joke more appropriate to cartoons than real life. But now it is being considered quite seriously by many nations,

发表于:2018-12-30 / 阅读(69) / 评论(0) 分类 考研背诵50篇

Millions of Americans enjoy playing golf. But golf courses are not known to be environmentally friendly. They demand a lot of fresh water, fertilizers and herbicides to keep them looking green. Thats true of most golf courses. But lets look at one t

发表于:2018-12-30 / 阅读(80) / 评论(0) 分类 国家地理2008年

Rome's savagery was matched by its size. When the Colosseum was built, Rome was a city of a million people and growing. Not until London of the 19th century would a city approach this size again. What

发表于:2018-12-31 / 阅读(125) / 评论(0) 分类 罗马的崛起

Water is the

发表于:2019-01-02 / 阅读(143) / 评论(0) 分类 知性英语

Todd: Trevor, do you like the beach? Trevor: I love the beach. The beach is great. Todd: OK. Why do you love the beach? Trevor: It's nice fresh air, beautiful water, you can play in the sand, and my hobby is surfing, so I like to go surfing. Todd: Oh

发表于:2019-01-02 / 阅读(80) / 评论(0) 分类 英语访谈对话

By Anna Boiko-Weyrauch 26 September 2009 Monday is Yom Kippur - the holiest day of the year for Jews. The holiday will be marked in Jewish communities around the world, including Western Ghana. A small group of people from the Sefwi tribe in western

发表于:2019-01-13 / 阅读(60) / 评论(0) 分类 VOA标准英语2009年(九月)

U.S. First Lady Michele Obama has drawn national attention to the problem of food deserts - neighborhoods that may have plenty of McDonalds and other fast food restaurants, but no supermarket with fresh vegetables and other affordable, healthy foods.

发表于:2019-01-13 / 阅读(76) / 评论(0) 分类 VOA标准英语2010年(七)月

Let's look first. The fresh water that we depend on begins its life in the oceans. As the sun's rays beat down on the surface of the sea, they heat the water molecules until some evaporate. It's the start of an extraordinary journey. Here with water

发表于:2019-01-22 / 阅读(63) / 评论(0) 分类 自然百科2010年

A big,black crow wanted to drink some water.She saw a big jug with some water at the bottom,but she could not reach the water.I know,she said,I shall put some stones into the jug.Then the water will come up to the mouth. After the fir

发表于:2019-02-04 / 阅读(93) / 评论(0) 分类 趣味英语

英国达人秀评委David Williams和美国喜剧(comedy)男星Ben Stiller对口相声(cross talk),笑说英美大不同,既有语言笑点也有借幌吐槽(spitslot),中枪名单:Stiller本人、小布什、默多克、皮尔斯摩根、哈利

发表于:2019-02-05 / 阅读(99) / 评论(0) 分类 英语万花筒

Eliminate fireplace odor There's nothing cozier on a cold winter night than a warm fire burning in the fireplace -- unless the fire happens to smell horrible. Next time you have a fire that sends a stench into the room, try throwing a few lemon peels

发表于:2019-02-06 / 阅读(122) / 评论(0) 分类 阅读空间

Lesson 25 The Herring 第25课 鲱鱼 Herrings are a kind of fish that live in the sea. They like salt water. Indeed if they are put into fresh water, they soon die. Now the gold-fish which we read about the other day likes fresh water, and it would

发表于:2019-02-13 / 阅读(108) / 评论(0) 分类 英国学生科学读本

一、跳槽的原因及解决办法 1、相关词汇: fierce competition heavy pressure job-hopping is looked upon to move upward quickly keep skill fresh and up to date acclimatize themselves to the rapidly changing society 2、原因: (1)社会压

发表于:2019-02-18 / 阅读(119) / 评论(0) 分类 雅思英语

The Minister for the Environment, Dr Nick Smith, said today that the government will spend money on controlling our fresh water and will make some important laws. New Zealand is number 3 in the world for the amount of water per person. We have many r

发表于:2019-02-25 / 阅读(106) / 评论(0) 分类 新西兰英语
学英语单词
Aluminum-Based
american college dance festival association (acdfa)
antinomically
aquariists
arhinencephaly
armed and dangerous
arrested vaginal development
at-homes
Bambusa spinosa
Borel functions
cable stock
Caedwalla
cardioid microphone
cold saccharate
compcsite fluid
corralling flock
cosine equilizer
Croce, Mte.
cultivated crop
Dabraslawka
de-monopolize
debatable land
devocalising
dram shop
dubbs
Duke Ellington
efficiency of steering gear
endoperitoneal
express freight train
extruded stock
Fennic
film reading machine
fire barrier
fish-culturist
geared five-bar linkage
gelatine glue
glyceric aldehydes
godforsaken
half-downs
happy gaps
Haugsfjell
herpes zoster varicellosis
ibgs
income collected in advance
isentropic procedure
jist
left-handed screw bar
Lipmann
Lipomycetoideae
londra
main magnetic flux
mattress itch
McClure, L.
methylmercury
mould swabbing
navicula pavillardi
near pommel
nematological
no-reply
non native
nonethanol
operational failure
operator (jacob & monod 1959)
ouguiya
oxygen-impurity line
page skip
peanut politics
petromortis
planispheric astrolabe
plenty
polystichum aucleatum schott.
Pomatiasidae
posterior neuroplasm
power shot
problem solving oriented
protecting device
quasi-hierarchical
request programme
sarcomaofbladder
selenocystathione
shear capacity
slacken up
soldering rod
spreader foundation
static overvoltage
Storforshei
substract
sulphuryls
sun and planet gear
SV40
taeniosome
tandemwise
termination provision
to get people
transformation of wave
trousers-pocket
UG-FNP
ultimate equilibrium
use one's bean
vehicle area network
vendor surveillance
wave velocity survey