批容许不合格率

From NPR News in Washington, Im Lakshmi Singh. The sell-out in major markets around the world is playing out on Wall Street. In late trading, the Dow plunged more than 400 points; its now down more than 500 points, or more than three percent. The SP

发表于:2018-12-02 / 阅读(77) / 评论(0) 分类 2015年NPR美国国家公共电台8月

JUDY WOODRUFF:We turn to education and the impact tougher discipline policies are having on minority students. It turns out young black and Hispanic students are far more likely to receive tough school punishments, including suspensions, than white s

发表于:2018-12-05 / 阅读(77) / 评论(0) 分类 PBS访谈教育系列

Pre-Listening Vocabulary defective: doesnt function normally; imperfect agreement: when the subject corresponds with the correct version of the verb panties: female underwear boxers: male underwear that is shaped like shorts wordsmith: a person who i

发表于:2018-12-17 / 阅读(70) / 评论(0) 分类 趣谈英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The ability to digest milk as adults, and as infants, actually, is due to the expression of an enzyme called lactase. That's the University of Pennsylvania's Sarah Tishk

发表于:2018-12-24 / 阅读(78) / 评论(0) 分类 Scientific American(二)月

发表于:2018-12-25 / 阅读(148) / 评论(0) 分类 中式口语纠错

President Bush wants to amend the U.S. Constitution to prohibit gay marriage. Senators are expected to begin debate on the proposed amendment in the coming week. --------------------------------------

发表于:2019-01-07 / 阅读(142) / 评论(0) 分类 2006年VOA标准英语(六月)

This is Scientific American's 60-Second Science. I'm Steve Mirsky. This will just take a minute. Remember the heady days of 2007 before the large economy sized recession? Well, even back then medical problems contributed to over 62 percent of all ban

发表于:2019-01-08 / 阅读(98) / 评论(0) 分类 Scientific American(六)月

By Greg Flakus Houston 02 November 2007 The US Border Patrol is expanding a program along the Mexican border in Texas through which illegal aliens are prosecuted and are subject to fines and imprisonment for illegal entry. As VOA's Greg Flakus report

发表于:2019-01-08 / 阅读(73) / 评论(0) 分类 VOA常速英语2007年(十一月)

By Kari Barber Dakar 24 August 2007 Election officials in Sierra Leone say they will announce a date for the presidential runoff on Saturday. Final results for the first round came in Thursday with opposition leader Ernest Koroma leading outgoing Vic

发表于:2019-01-13 / 阅读(133) / 评论(0) 分类 2007年VOA标准英语(八月)

US researchers reviewing more than a dozen studies say a defective gene that has been implicated as a cause of major depression does not appear to elevate a person's risk for the mood disorder. The finding is viewed as a setback for researchers tryi

发表于:2019-01-13 / 阅读(83) / 评论(0) 分类 VOA标准英语2009年(六月)

ROBERT SIEGEL, HOST: The climate surrounding sexual harassment has changed drastically in the past few years, and Americans overwhelmingly favor a zero-tolerance policy. Those are findings of a poll NPR conducted with the firm Ipsos. NPR's Danielle K

发表于:2019-01-16 / 阅读(76) / 评论(0) 分类 2017年NPR美国国家公共电台12月

A: How can I help you today? B: I am returning something that I bought yesterday. A: What would you like to return? B: I'm returning a cellphone. A: Was there somethinig wrong with it? B: It's defective. A: What isn't working on it? B: It keeps turni

发表于:2019-01-20 / 阅读(83) / 评论(0) 分类 购物英语对话

How much alcohol the yeast can tolerate depends partly on the type of yeast. And thats another reason wine is stronger than beer: beer-yeast, with a lower tolerance for alcohol, is killed by the time the alcohol reaches about nine percent. Wine-yeast

发表于:2019-01-22 / 阅读(56) / 评论(0) 分类 英语时差8,16

Remember the heady days of 2007, before the large economy sized recession? Well, even back then medical problems contributed to over 62 percent of all bankruptcies. Thats according to a study by researchers at Harvard Med, Harvard Law and Ohio Unive

发表于:2019-01-30 / 阅读(128) / 评论(0) 分类 60秒科学

15 科技新闻摘要(四) DATE=5-8-01 TITLE=SCIENCE IN THE NEWS #2123 - Digest BYLINE=Staff VOICE ONE: This is Bob Doughty. VOICE TWO: And this is Sarah Long with Science in the News, a VOA Speci

发表于:2019-01-30 / 阅读(97) / 评论(0) 分类 科技之光

Climate change is already beginning to hurt maize and wheat production, according to a new study. Higher average growing season temperatures(温度) in most major grain-producing countries are beginning to work against the progress made by improving

发表于:2019-02-03 / 阅读(103) / 评论(0) 分类 英语新闻

Buying a house for most of the people is a once in a lifetime decision, which means people decide to do so only after coming across the ideal house. Surprisingly, eight in every 10 home buyers are unhappy with their houses. A survey conducted by the

发表于:2019-02-07 / 阅读(61) / 评论(0) 分类 实用英语

Buying a house for most of the people is a once in a lifetime decision, which means people decide to do so only after coming across the ideal house. Surprisingly, eight in every 10 home buyers are unhappy with their houses. A survey conducted by the

发表于:2019-02-18 / 阅读(67) / 评论(0) 分类 实用英语

Wine And Beer: Different Types Of Alcohol, Same Basic Process Why wine is stronger than beer on this moment of science. Wine and beer are made of different ingredients,but the basic process is the same. You start with a liquid containing some kind of

发表于:2019-02-24 / 阅读(109) / 评论(0) 分类 英语听力文摘 English Digest

So this is what happens. They come in, they spit into a vial, for two minutes, we say, You need to do this or this. 这就是实际的情况。他们走了进来,他们把唾液吐到一个小瓶子里,维持一个姿势达两分钟,我们说:你

发表于:2019-03-04 / 阅读(122) / 评论(0) 分类 TED演讲教育篇
学英语单词
A. N. C.
abbreviation on chart
academy-award
affidavit of script
alloy tape
aluminium conductor steel reinforced
aminoxytriphene
Bakersfield sound
bing bong
bokeler
Borhoyn Tal
calling in
card fluff
Caribees
casenote
cellulose fibre
channel of goods distribution
character generation option
childliness
clipped wire
cloves
cold- water species
colorado plateaus
colostric
conventionally TRUE value
cumulative inertia
demethoxymitomycin
dextriferron
dolichonyx oryzivoruss
electromagnetic susceptibility
emulsion thickener
Eupantothere
every-thing
explicit conversion operator
fears for
foam characteristic
focusing area
gasa
geologized
giga-electron-volt (gev)
goliath crane
gouraud
gurevitches
handbuild
Harima
homology spectral sequence
hypotome
ice longitudinal
Ikva
index of average land values
inductance box
isochelidonine
isothermal-orthogonal system of curves
Ito process
james masons
lactory
Lassar's paste
lay aboard
Lazovsk
lesopitron
light-of-love
Littlewoods
log-chip
mashrus
mesenteric ischaemia
method of donning lifejacket
observational cosmology
on sunday afternoon
ossa ischii
outside market
perfectly diffuse radiator
pollity
prize up
quasi-electric field
remote-control channel
reproduction curve
rewful
sarah bernhardts
scram position
shuttle trap
skotoplankton
slipped tendon
slope gain
solar radiometer
spring tonhue switch
stand alone
star place
subpolar climate
surface tension number
team-leader
transmission region
triangular coordinate system
untraversed
v-axis
V-coil evaporator
v-type mixer
Vladimir Kosma
waleswoods
wordmakers
writing
xanthogenated