同型组合的,纯合子的,同质合子的

Noam Chomsky is an American author, lecturer, linguist, philosopher, and political commentator. He is a top professor of linguistics at the Massachusetts Institute of Technology (MIT). His ideas completely changed teachers understanding of how we lea

发表于:2019-01-01 / 阅读(373) / 评论(0) 分类 各国名人英文介绍

The fox was brown. The fox was quick. The dog was brown. The dog was lazy. You are a lazy dog, said the fox. Yes, I am a lazy dog, said the dog. Why are you a lazy dog? asked the fox. Why not? asked the dog. My owner feeds me. My owner takes me out f

发表于:2019-01-02 / 阅读(220) / 评论(0) 分类 超级简单英语阅读

Today's topic is who versus whom. I've received three requests from listeners to cover this topic. Here's Noreen: I just wondered if possibly in one of your episodes you could go through the use of who versus whom. I think that's a common misundersta

发表于:2019-01-02 / 阅读(221) / 评论(0) 分类 英语语法 Grammar Girl

Who and whom have to be two of the most difficult words in English. Luckily, we've already spent two articles on the ins and outs. Unfortunately, though, some people are still confused. They may even find themselves agreeing with William Safire, who

发表于:2019-01-02 / 阅读(252) / 评论(0) 分类 英语语法 Grammar Girl

Grammar Girl here. It was almost exactly a year ago when I did the first show about who versus whom. In that show I only covered the simple cases, and lately I've been getting questions that made me think I should delve deeper into the topic. So toda

发表于:2019-01-02 / 阅读(396) / 评论(0) 分类 英语语法 Grammar Girl

By Mike O'Sullivan Los Angeles 03 April 2007 Since 1984, former U.S. President Jimmy Carter and his wife, Rosalynn, have helped build homes for the poor through a charitable group called Habitat for Humanity. As we hear from Mike O'Sullivan, the Cart

发表于:2019-01-04 / 阅读(241) / 评论(0) 分类 2007年VOA标准英语(四月)

BERLIN, Dec. 19 (Xinhua) -- German international and Bayern Munich's offensive all-rounder Thomas Mueller extended his running contract until June 2017, the club said in an official statement on Wednesday. Bayern Munich youth product Thomas Mueller e

发表于:2019-01-07 / 阅读(197) / 评论(0) 分类 英语新闻

Over the weekend, the University of Mississippi rededicated the home of Nobel Prize novelist William Faulkner following a 1.3-million-dollar restoration. Faulkner bought the antebellum house in 1930 and named it Rowan Oak after the qualities of the

发表于:2019-01-08 / 阅读(273) / 评论(0) 分类 2005年NPR美国国家公共电台

John Ydstie: On Wednesdays our business news takes a look at the workplace. Today, a perennial problem: when to put your foot down , say no to the boss, and choose life over work. That's one of the many questions Lisa Belkin explores in her column. S

发表于:2019-01-08 / 阅读(265) / 评论(0) 分类 2006年NPR美国国家公共电台

Once, in a small village, there lived a poor Brahmin. He was very learned, but did nothing all day. He lived on the alms the villagers gave him every day. One day, as usual, the Brahmin got up in the morning, performed his morning rituals and set out

发表于:2019-01-08 / 阅读(203) / 评论(0) 分类 英语小短文

Michael Kitchen The head of the United Nations' refugee agency says security in Afghanistan is still inadequate and is asking the international community to increase its presence in the country. U.N.

发表于:2019-01-08 / 阅读(221) / 评论(0) 分类 VOA2004(上)--各类新闻

This is the VOA Special English Development Report. Bikes are delivered to San Jose, Honduras through the Bikes for the World program Americans bought an estimated eighteen and a half million bicycles last year. Some bikes never get much riding. Mos

发表于:2019-01-11 / 阅读(177) / 评论(0) 分类 VOA慢速英语2009年(十一)月

By Alisha Ryu Kisumu, Kenya 21 January 2008 Uganda is strongly denying reports from Kenya that it has sent troops to help President Kibaki to quell opposition protests in the western part of the country. Anti-Ugandan sentiments are running high in th

发表于:2019-01-13 / 阅读(197) / 评论(0) 分类 VOA标准英语2008年(一月)

By Barry Newhouse Islamabad 17 October 2007 Former Prime Minister Benazir Bhutto says her arrival in Pakistan on Thursday will mark the country's transition from dictatorship to democracy. In a televised address from Dubai carried live on major Pakis

发表于:2019-01-19 / 阅读(362) / 评论(0) 分类 2007年VOA常速英语(十月)

They did that restruction in 2012.They have brought themselves 3 to complete that restruction at which point they are going have to refinance.I think whether or not that will be succesful depends on another thing,whether or not they can make the cuts

发表于:2019-01-30 / 阅读(147) / 评论(0) 分类 英伦广角

By Jeff Feuer Alexandria, Virginia 18 February 2008 Every year on the third Monday in the month of February, the United States observes what is known as President's Day as a celebration to honor America's first president, George Washington, and the 1

发表于:2019-02-17 / 阅读(173) / 评论(0) 分类 VOA常速英语2008年(二月)
学英语单词
absorptive modulation
action code
adequate internal control system
Alto Rabagão, Barragem do
amar'e
amphocortin
analyses
ascodesmis sphaerospora
asteroseismologist
at-the-money option
backs-to-wall
boat landing platform
broadcast receiver
brovet
Bugomba
calorie unit system
capture-gamma counting
cellarium
Cnicus
conjunctivitis necroticans infectiosus
contrast scale
deep submergence search vessel
default vector value
degree of base saturation
demonry
diploneis papula
divisible contract
domestic money orders issuing
enable register
ephebeum
experience-based estimation of workhours
feed nip roller
Festuca cumminsii
flag an account
fluid dynamics of turbomachine
furbush
gibbula stoliczkana
globe mallow
gurges
headquartered
heat-sealer
hunsh
hyperbolic velocity
in the sticks
induction field
intervertebral disc punch
jaghatais
katritzky
kyt
larypgismus
Mare Undarum
monitoring plant
multipoint network
natro-
neat-land
negative replica
Nitilmicin
nordhavns
oligopolist
per cent.
pigtailed
postgraduate students
potassium iron(ii) tartrate
precision-machined plate
professor
programming capability
pyrolater
quasineutral
quebecs
radio relay communication
rhomboid tongue
Rio de Janeiro
Salix weixiensis
scruton
self-steering compass
separator-reheater
simplified numerical analysis method
single-screw plodder
soft pellet diet
spieled
stiff paper form
Stigmatodactylus sikokianus
substantial transaction
substernomastoid
sulfur poisoning
Tabinshwehti
tarceva
telescopic antenna
the pond
thermionic work function
throws a fit
tirable
tredways
trigonometric approximation
unit doublet
V-shape folded plate
valve seta insert replacing tool
vellicates
water right
wolf cub
wood universal testing machine
xerophilic