交替底物抑制

Prototype Solar Cars Train Future Alternative Energy Experts JOHANNESBURG In South Africa, students at the University of Johannesburg have taken on the challenge of building their own solar cars and racing them in competitions. While it offers plenty

发表于:2018-12-08 / 阅读(50) / 评论(0) 分类 VOA常速英语2013年(十二月)

By John Shields Washington, DC 28 February 2006 watch Food vs Fuel report With the world's oil supply increasingly at risk of terrorist attacks and other disruptions, there is an international rush to

发表于:2018-12-16 / 阅读(131) / 评论(0) 分类 2006年VOA标准英语(二月)

This is Scientific Americans' 60-Second Science. Im Steve Mirsky. Got a minute? The search for alternative fuels to gasoline has led to surprising possibilities, for instance, the waste oil for making French fries. But one of the most unusual alterna

发表于:2018-12-24 / 阅读(65) / 评论(0) 分类 Scientific American(一)月

When the wind picks up at the foot of the Rockies, there are those who believe they can hear the future. At the National Renewable Energy Laboratory, making alternative power sources competitive with fossil fuels has been a mission since the energy

发表于:2018-12-30 / 阅读(71) / 评论(0) 分类 国家地理2008年

This week well discuss choices about how best to use the words option and alternative. Frequently the words option and alternative are used interchangeably, but there is a difference. Do you know what it is? Lets say Horatio has a primary plan of act

发表于:2019-01-02 / 阅读(85) / 评论(0) 分类 英语语法 Grammar Girl

By Katherine Cole Tres Chicas is a rarity on the music charts: A vocal group in which all three singers are frontwomen in their own right. And don't get ready to rumba, because despite their Latin nam

发表于:2019-01-07 / 阅读(101) / 评论(0) 分类 VOA2004(下)--文化艺术

By Brian Padden Washington 25 December 2007 With virtually no oil or natural gas resources of its own, Germany relies on Russia for 20 percent of its oil and one-third of its gas imports. But with Russia displaying a willingness to use oil as a polit

发表于:2019-01-07 / 阅读(58) / 评论(0) 分类 VOA常速英语2007年(十二月)

[00:10.40]Now youre talking! [00:13.84]So,have you had any more thoughts about what youre going to do next year,them? [00:19.70]Mm.I dont know,really. [00:24.14]I mean.I was thinking that it might be a good idea to do that art course I was telling yo

发表于:2019-01-10 / 阅读(208) / 评论(0) 分类 创新英语教程第三册

By Jim Fry Washington, D.C. 26 February 2007 watch Energy report President Bush is looking for new ways to encourage the use of alternative energy, and Democratic Party leaders who control Congress appear to be only too ready to comply. That leaves

发表于:2019-01-12 / 阅读(106) / 评论(0) 分类 2007年VOA标准英语(二月)

By Mike O'Sullivan Los Angeles 01 March 2006 Windmills in California Windmills are sprouting across the United States, as Americans search for non-polluting alternative energy sources. The West Coast

发表于:2019-01-13 / 阅读(143) / 评论(0) 分类 2006年VOA标准英语(三月)

President Barack Obama says the United States should depend more on so-called clean forms of energy, like wind and solar, and less on oil. The president promoted his alternative energy plan on an Earth Day visit to the central state of Iowa. Preside

发表于:2019-01-13 / 阅读(61) / 评论(0) 分类 VOA标准英语2009年(四月)

China's energy production relies heavily on coal-fired power stations. As the world's highest emitter of greenhouse gasses, China consumed more than 400 million tones of coal last year. As many parts of China have been shrouded in a gray haze over th

发表于:2019-01-19 / 阅读(73) / 评论(0) 分类 英闻天下

By Jerilyn Watson Broadcast: July 17, 2003 This is Bill White with the VOA Special English Education Report. Some young people in the United States attend 1)alternative schools. These are schools that

发表于:2019-01-20 / 阅读(179) / 评论(0) 分类 VOA2003(下)-教育与新闻

1. I will send you some brochures?if you are interested. 如果您有兴趣的话,我可以寄给您一些介绍产品的小册子。 2. Can you suggest an alternative﹖ 能否告知您其他方便时

发表于:2019-02-01 / 阅读(63) / 评论(0) 分类 实用英语

By Gary Thomas Washington 09 February 2007 The controversy over the Bush Administration's pre-war intelligence on Iraq was further fuelled Friday by an internal Pentagon critique of the work of a little-known Defense Department office. As VOA corresp

发表于:2019-02-03 / 阅读(110) / 评论(0) 分类 2007年VOA标准英语(二月)

1. I will send you some brochures□if you are interested. 如果您有兴趣的话,我可以寄给您一些介绍产品的小册子。 2. Can you suggest an alternative﹖ 能否告知您其他方便时间? 3. As an alternative□I wish to propo

发表于:2019-02-15 / 阅读(66) / 评论(0) 分类 天天商务口语

1. I will send you some brochures, if you are interested. 如果您有兴趣的话,我可以寄给您一些介绍产品的小册子。 2. Can you suggest an alternative?t 能否告知您其他方便时间? 3. As an alternative I wish to propose M

发表于:2019-02-18 / 阅读(62) / 评论(0) 分类 英语口语

1. I will send you some brochures, if you are interested. 如果您有兴趣的话,我可以寄给您一些介绍产品的小册子。 2. Can you suggest an alternative?能否告知您其他方便时间? 3. As an alternative, I wish to propose Ma

发表于:2019-02-21 / 阅读(67) / 评论(0) 分类 英语口语

1. I will send you some brochuresif you are interested. 如果您有兴趣的话,我可以寄给您一些介绍产品的小册子。 2. Can you suggest an alternative﹖能否告知您其他方便时间? 3. As an alternativeI wish to propos

发表于:2019-02-22 / 阅读(117) / 评论(0) 分类 天天商务口语

今天我们要学的词是 alternative. Alternative 作为形容词,意思是另外的,可以用于替代的。Stephen Hawking predicts that planet Earth will only survive another 100 years, and it's urgent to consider an alternative planet. 霍金

发表于:2019-03-07 / 阅读(134) / 评论(0) 分类 英语单词荟萃
学英语单词
acetoarsenite
acute angled triangle
ancillula
balconet
boil-water
brachidial support
Bukit Cina
calm your farm
capillary force
capitol pk.
carbon-dates
chilihead
Chinsu-ri
Churuguara
clubiona taiwanica
cock crow
cologno monzese
commissar
conditionally sigma-complete
contingent duty
cross pack
dentros
disgenius
dun dealgan (dundalk)
Ekiatap
electrical-resistance thermometer
electrode acceleration
electronic energy spectrum
end-to-side intestinal anastomosis
engineering solution
factor in
First Nations
Fortran
free living nitrogen fixation
Fuselloviridae
get out countenance
get sth up
giffen paradox
glass gage
glovin'
half-adder binary
hexothiocaine
hodograph circle
Houben-Hoesch synthesis
hunger edema
hurry-up wagon
hydraulic press-packing
lecanora pallida
leisure-time
lithotripsy
llenan
lubricating oil strainer element
makambako (makumbako)
metasedimentary rock
micro-moles
modification kit
mummichog
Narragansett Bay
non-melodic
obninsk
operation of relay
Ormosia pingbianensis
oxydiethylene
pailly
parametric upconverter
peat bog
permutite
phone connector
phosphor amplifier
prowersite
pulmonary eosinophilosis
radar dome
residual porosity
reverse circulation gravel pack
ringdown circuit
scale-model investigation
schmeissers
setting down
shrimpa
simple cycle
Spasskaya Guba
stegging
strain gauge torque measuring instrument
Sturluson
subeconomic forest
synchronous data-link control
take a life
taoistest
telemetry data center
tenement-house
thermology
thick-split graft
thread take-up lever link hinge pin
topoangulator
transplutonics
umbilical gap(in gastropodods)
underwithholds
univalent antibody
urban soil and water conservation
utility powerboattrailer
waiver of privilege
white space count program