天然选择和辐射

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.87]2000 Passage2 [00:07.51]Being a man has always been dangerous. [00:10.94]There are about 105 males born for every 100 females, [00:17.09]but this ratio drops to near balance at the age o

发表于:2018-12-01 / 阅读(79) / 评论(0) 分类 历年考研英语阅读理解

VOICE ONE: I'm Steve Ember. VOICE TWO: Charles Darwin And I'm Barbara Klein with EXPLORATIONS in VOA Special English. This month is the two hundredth anniversary of the birth of one of the most influential thinkers in science history. Charles Darwin

发表于:2018-12-07 / 阅读(151) / 评论(0) 分类 VOA慢速英语2009年(二)月

注释: U.N. Secretary-General 联合国秘书长 interim [5intErim] adj. 临时的,间歇的,暂定的 interim government 临时政府 envoy [5envCi] n. 外交使节,特使 Lakhdar Brahimi 赫达

发表于:2018-12-08 / 阅读(98) / 评论(0) 分类 VOA2004(上)--各类新闻

Topics: American Authors-Jack London; Our Gang and The Little Rascals; gruesome versus horrible versus disgusting; son of a gun; to lash out Words: adventure natural selection genes socialism to be disciplined sled series gang short film cast to impr

发表于:2018-12-14 / 阅读(74) / 评论(0) 分类 美语听力 English Cafe

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Animals rely on all sorts of cues to find their next meal. Monkeys and birds are attracted to the colors of ripe fruits and berries. And snakes find thei

发表于:2018-12-24 / 阅读(79) / 评论(0) 分类 Scientific American(十)月

Task3: A Drunkards Argument Script Heres drunkards argument in favor of heavy drinking. We would learn more about human bihavior if we paid closer attention to the laws at work in the animal kingdom. Only the fittest survive is a law that is apparent

发表于:2018-12-29 / 阅读(63) / 评论(0) 分类 新视野大学英语:视听说教程 4

By Jim Malone Washington 25 October 2007 The lengthy and complicated process of choosing the next president of the United States begins in early January when voters attend party caucuses and cast ballots in primaries to select the presidential nomine

发表于:2019-01-07 / 阅读(142) / 评论(0) 分类 2007年VOA常速英语(十月)

By Jade Heilmann Dakar 04 December 2007 Opposition leaders in Togo say they are angry that a little-known ruling party official has been named the country's new prime minister. They say the government should be more open to opposition parties, given

发表于:2019-01-07 / 阅读(92) / 评论(0) 分类 VOA常速英语2007年(十二月)

A:Its been a long time since I last saw you. Where have you been? B: The exams and plans I have to turn in in are driving me crazy, I dont even have time to sleep. A: Its the same for me. Im up to my neck in work, but at least finals are coming soon

发表于:2019-01-11 / 阅读(65) / 评论(0) 分类 纯正地道美语

U.S. health experts monitoring Japan's nuclear crisis are seeking to explain health risks from radiation(放射) exposure, while cautioning that radiation levels measured this week at the Fukushima-Daiichi power plant in northern Japan have not y

发表于:2019-01-11 / 阅读(104) / 评论(0) 分类 英语新闻

DOUG JOHNSON: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Doug Johnson. FAITH LAPIDUS: And I'm Faith Lapidus. Today, we will tell about skin cancer. (MUSIC) DOUG JOHNSON: Skin cancer is one of the most common forms of cancer. It is also

发表于:2019-01-11 / 阅读(174) / 评论(0) 分类 2010年VOA慢速英语(七)月

Starting in 2006, BMW China has run its Destination X-Tour for five consecutive years. The tour is a long distance driving combining challenging experience with charity work. The selection of this year's X Tour members stated last weekend. In contras

发表于:2019-01-19 / 阅读(118) / 评论(0) 分类 世界各地新闻集锦

Republican presidential candidate John McCain's selection of Alaska Governor Sarah Palin as his vice presidential running mate has shaken up the U.S. presidential race in some unexpected ways. VOA national correspondent Jim Malone has more from Wash

发表于:2019-01-31 / 阅读(82) / 评论(0) 分类 VOA标准英语2008年(九月)

By Jeffrey Young Washington 14 December 2007 The central U.S. state of Iowa, and several other states, have an alternative way to select presidential nominees for the Democratic and Republican parties. In this segment of How America Elects, VOA's Jef

发表于:2019-01-31 / 阅读(166) / 评论(0) 分类 VOA常速英语2007年(十二月)

The World Health Organization (WHO) warns against the indiscriminate(任意的无差别的) use of potassium iodide as a precaution against nuclear radiation. WHO is issuing this advisory following reports of people in Japan and elsewhere who are usi

发表于:2019-02-06 / 阅读(248) / 评论(0) 分类 英语新闻

A key Japanese adviser on radiation(放射 ) leaks at the country's disabled Fukushima nuclear power facility has quit in protest over the government's handling of the disaster. The adviser, Toshiso Kosako, a radiation safety expert at the Univer

发表于:2019-02-06 / 阅读(97) / 评论(0) 分类 英语新闻

NEW DELHI, March 16 (Xinhua) -- The Indian government has ordered food originating from(发源于) Japan to be tested for radiation in the wake of explosions at a Japanese nuclear plant following a devastating earthquake-tsunami last Friday, repo

发表于:2019-02-07 / 阅读(97) / 评论(0) 分类 英语新闻

Marcelo injury gives Mourinho selection headache RIO DE JANEIRO, Oct. 14 (Xinhua) -- Real Madrid coach Jose Mourinho has been left with a selection headache after Brazilian Marcelo joined fellow left-back Fabio Coentrao on the club's injury list on S

发表于:2019-02-09 / 阅读(106) / 评论(0) 分类 英语新闻

WASHINGTON, March 30 (Xinhua) -- A trace amount of radioactive(辐射性的) iodine(碘) has been found in a sample of milk from the west state of Washington, the U.S. Environmental Protection Agency and the Food and Drug Administration (FDA) sai

发表于:2019-02-11 / 阅读(96) / 评论(0) 分类 英语新闻

WASHINGTON, April 16 (Xinhua) -- With Monday's choice of U.S.-nominated Jim Yong Kim to head the World Bank, the global lending institution continued its longstanding -- and controversial -- tradition of keeping an American at the helm. Nominated las

发表于:2019-02-18 / 阅读(91) / 评论(0) 分类 英语新闻
学英语单词
Ahorene
airbrush effect
all round skilled labor
altercation in contract
amiees
ammonia water?
autowoak
axis of precession
axonometrical projection
babble of
Baire class
basis pedunculi (cerebri)
battle of Rossbach
bejeweling
belit
Bermudas shorts
betumble
bird of one's own hatching
branded entertainment
carboloy piston ring
cascade everlasting
charcoal dust
checkpointing
chloroacetate
Church Universal and Triumphant
coefficient of partage
color difference signal
commutator detector
complete gasiflcation
consistency of axioms
devolutionary
diego
differential movement
Djoliba
do sb's bidding
dorion
dried seasoned-products
dustcell
east-west
Emblemaria
fall into ruin
filamental fusion
fish plate pass
fuel pump
Gastrocentesis
Gopi, gopi
helgesen
helix
illicit recording
injection well log
intrinsic to
keen scent
keypairs
laser accelerator
leptotene
lexicostatistic
literary forms
locants
low speed aerodynamics
lunate sandkey
machining allowance
macronest
make savings
medicinalis
monotone increasing sequence
Mtowabaga
multilist
multiprocessor system interface
nervus dorsal
neutral wash solution
night-clubbing
nitrocymene
noise burst signal
nonlinear reactance
overbeaten cloth
placental hormones
quick-release harness
Radishchevo
reheating hot well
Rhododendron labolengense
sand lead
schultheis
spline regression
statement of estimated application of funds
sthenes
surface wettability
tacq
Temnopleuridae
Thomas resistor
three-beam speckle pattern interferometer
total heat input
Transportation Association of America
tulip poplars
two-pence
undebatable motion
unfathomed
unperfectly
waspless
wire coil wrapping machine
XWindows
Zhdanovshchina