效益模型

By Nancy Steinbach Broadcast: November 19, 2003 This is Phoebe Zimmermann with the VOA Special English Health Report. When scientists want to test the effectiveness of a new drug, they usually divide

发表于:2018-12-15 / 阅读(57) / 评论(0) 分类 VOA2003(下)-环境与健康

今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示,Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革,但是又担心改革可能带来的副

发表于:2019-02-05 / 阅读(53) / 评论(0) 分类 英语每日一词

BEIJING, May 12 (Xinhuanet) -- Italian archaeologists(考古学家) are digging the remains of Lisa Gherardini, a 16th-century woman who is widely believed to be the model for the famous portrait Mona Lisa, AFP reported on Wednesday. The team of hist

发表于:2019-02-08 / 阅读(73) / 评论(0) 分类 英语新闻

今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示,Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革,但是又担心改革可能带来的副

发表于:2019-02-13 / 阅读(102) / 评论(0) 分类 英语单词荟萃

An increasingly popular business model lets participating companies give to charity while making a profit. But the approach is blurring the lines between for-profit and not-for-profit organizations and raising questions about the real drivers behind

发表于:2019-02-19 / 阅读(113) / 评论(0) 分类 英语新闻

Topics: Ask an American: underage drinking; to chalk (something) up to; fluke; quite; aint; domino effect and chain reaction Words: access consistency rebellious binge drinking DUI DWI assault date rape to model sexually transmitted disease unintende

发表于:2019-02-23 / 阅读(37) / 评论(0) 分类 美语听力 English Cafe
学英语单词
a halt
aberration angle
afterhind
arothron meleagris
arteritis coronaria
azlactone synthesis
bezalip tablet
Bierbaum scratch hardness test
bottom coat paint
brilliant croceine
Brucke lens
calymmodon gracilis copel.
cavern water
chekovs
chemistry of the solar system
conceptional
contact sport
cramping arrangement
deng
desmodium labumifolium dc. d. racemosum dc.
dress suit
drone bass
dying-out
Ehrlich's acid hematoxylin stain
electrode extrusion press
endoproteinases
energy converslon materials
finish cut
Fourdrinier tissue machine
fresh breeze
Freund's law
geminiflorous
gobdaws
habitat conditions
habitat diversification
haillonnisme
haploid parthenogenesis
home and abroad
iatrogenic hypercortisonism
international reserve units
kleier
L-protein
laboratory reference frame
legal transfer
light harvesting pigment
longboard
lumpenism
medium sweep
menu-driven system
milvuss
Moeller's slossitis
network neutrality
neutron-deficient short half-life
noells
nontransmittable
notopterygium forbesii boiss.
overfall spillway
owhither
pace clock
Papa Doc
periodic dispersal
pitch mop
Plough-Monday
plurifolious
pollenin
protective clothing and accessories
push the mark skyward
pusses
rehospitalising
remedial instuction
roughsome
santonous acid
sash frame
schneidest
Scomberomorus sierra
scrotes
secret de Polichinelle
semiconductor device packaging
slug it out
Songs of Innocence and of Experience
sorporr
speechcode
stoichiometric compatibility
taffler
taigne
tail spar
tert-amyl chloride
thearchs
Thermogene
thread a needle
tiberio
to-back
torrubiella gonylepticida
triangulates
trivialis
uncentrifuged
uranphyllite
ventriculi galli mucosa
vertical multi-speed motor
visual identification
will wonders never cease?