美国化学教育教材研究(美国高中化学教材)

Lesson 16 How to Improve Your Study Habits Text A Maybe you are an average student with an average intellect.You pass most of your subjects. You occasionally get good grades, but they are usually just

发表于:2018-11-27 / 阅读(489) / 评论(0) 分类 中级口语教程

A new study suggests that in the United States, college and university students must think carefully about their first jobs after graduation. People who take a job that does not require a degree can find themselves in lower-paid positions than their

发表于:2018-12-01 / 阅读(212) / 评论(0) 分类 2018年VOA慢速英语(八)月

New York University has been in the lead as study abroad programs have grown more popular for American students. Transcript of radio broadcast: 30 July 2008 This is the VOA Special English Education Report. The number of American students who study

发表于:2018-12-07 / 阅读(102) / 评论(0) 分类 VOA慢速英语2008年(七)月

Most college students in the United States choose their major, or main field of study for their degree, before or during their first year. For Saskia Fagan, making that choice was not easy. Fagan, who is now 31 years old, grew up in Takoma Park, Mary

发表于:2018-12-12 / 阅读(97) / 评论(0) 分类 2018年VOA慢速英语(一)月

Broadcast: Jan 16, 2003 By Nancy Steinbach This is the VOA Special English Education Report. We continue our series of reports about how foreign students can study at an American college or university

发表于:2019-01-02 / 阅读(100) / 评论(0) 分类 VOA2003(上)-社会广角

Scientists have found that levels of a now-banned chemical are rising again in Earths atmosphere. The chemical is called CFC-11. It is the second most common kind of CFC, short for chlorofluorocarbon. Chlorofluorocarbons were once widely used in many

发表于:2019-01-03 / 阅读(153) / 评论(0) 分类 2018年VOA慢速英语(五)月

For some time now, critics of higher education in the United States have claimed that many U.S. colleges and universities are centers of liberal thinking. Politically conservative observers argue that the information college professors present to stu

发表于:2019-01-06 / 阅读(136) / 评论(0) 分类 2018年VOA慢速英语(十二)月

Chinese medicine has been getting some props lately. A couple of recent studies have demonstrated the medical potential of traditional treatments. Part of the challenge of AIDS is that immune cells lose their ability to divide and thus their disease

发表于:2019-01-08 / 阅读(137) / 评论(0) 分类 Scientific American(十二)月

Youre not under arrest, despite the fact that you probably have some drugs in your pocket. Because theres a good chance your paper money contains trace amounts of cocaine. According to a study presented August 16th at the American Chemical Societys n

发表于:2019-01-08 / 阅读(126) / 评论(0) 分类 Scientific American(八)月

SCIENCE IN THE NEWS - U.S. Seeks to Cut Levels of Chemical Used for Teflon, Other Non-Stick ProductsBy Caty Weaver, Brianna Blake and Jerilyn Watson Broadcast: Tuesday, February 07, 2006 (MUSIC) VOICE

发表于:2019-01-16 / 阅读(147) / 评论(0) 分类 2006年慢速英语(二)月

EDUCATION REPORT - Study Gives High Marks to 'Teach for America' By Nancy Steinbach Broadcast: Thursday, July 08, 2004 This is Steve Ember with the VOA Special English Education Report. Teach for Amer

发表于:2019-01-25 / 阅读(126) / 评论(0) 分类 教育与新闻

21 只有部分椰菜可以预防癌症 DATE=3-15-01 TITLE=SCIENCE REPORT - New Broccoli Study BYLINE=George Grow (Start at 58

发表于:2019-01-30 / 阅读(118) / 评论(0) 分类 科技之光

EDUCATION REPORT - Study of a Charter School Project Finds Big Gains on Tests By Nancy Steinbach Broadcast: Thursday, August 25, 2005 I'm Barbara Klein with the VOA Special English Education Report. C

发表于:2019-01-30 / 阅读(139) / 评论(0) 分类 教育与新闻

DEVELOPMENT REPORT - UN Study Says Gains Would Outweigh Cost to End Child Labor By Jill Moss Broadcast: Monday, February 16, 2004 This is Robert Cohen with the VOA Special English Development Report.

发表于:2019-01-30 / 阅读(125) / 评论(0) 分类 农业与发展

EDUCATION REPORT - International Education Program Aims for Worldly Students By Nancy Steinbach Broadcast: Thursday, September 15, 2005 I'm Shep O'Neal with the VOA Special English Education Report. I

发表于:2019-01-30 / 阅读(141) / 评论(0) 分类 教育与新闻

By Lisa Schlein Geneva 14 May 2008 Scientists say new evidence links certain chemicals to the development of obesity. About 2,500 international experts are attending the 16th European Congress on Obesity in Geneva. Lisa Schlein reports for VOA the pa

发表于:2019-02-03 / 阅读(120) / 评论(0) 分类 VOA标准英语2008年(五月)

By Robert Raffaele Washington, DC 12 February 2008 Tests on several plastic baby bottles have found they emit very significant levels of a chemical linked to deadly illnesses in laboratory animals. That is according to a new report released by Americ

发表于:2019-02-07 / 阅读(142) / 评论(0) 分类 VOA常速英语2008年(二月)

Want to know how to improve you You grades without having to spend more time studying? Sounding too good to be true? Well, read on How To Improve You Study Habits Perhaps you are an average student with average intelligence. You do well enough in sch

发表于:2019-02-09 / 阅读(164) / 评论(0) 分类 英语学习方法

Some people would call it cramming if you study the night before a test. I do not. If you study the night before a test, you still have hours, not minutes to prepare. Hours! The things you can learn (if short-term) in hours! So, do not feel completel

发表于:2019-02-13 / 阅读(89) / 评论(0) 分类 英语美文

LONDON, July 29 (Xinhua) -- By changing some particular brain chemicals lab mice would become hyperactive and sleep for just 65 percent of their normal time, according to a study released Wednesday by the Imperial College London. The chemicals, hista

发表于:2019-02-18 / 阅读(101) / 评论(0) 分类 英语新闻
学英语单词
acanthamolide
airtight machine
All steel
allowable radial compensation of clutch
Alonzo Clark treatment
ammonium manganese(ii) sulfate
antisaturation clamp
artificial pregnancy
Auca Mahuida, Sierra de
automatic spectrum analyzer
Bansda
be deficient in resources
be impressed with
bootles
build own operate transfer
burp
capperbar
centre europeen de recherche nucleaire
Charlevoix County
comlognet
continuous pusher type furnace
crerar
cross-head
cuber
Debye-Hukel model
Deutzia taiwanensis
dialp ulse incoming register
direct reading totalizer
Duryunsan
estimates of the real rates of growth of GNP and population
filamentous fungus
flame r resistant polyester resin
flexible printer circuit
free-running local synchronizer oscillator
Fusarium graminearum
goodricks
grounded shield
Gwalia
hard boss
heat-recovery circuit
high-carbon high-tensile steel
Hilarus, Saint
Hippramine
horn cell
hundred-miles
huskiest
hyperargininemia
independent indexing mechanism
internal race
internal wiring
international congress on movement notation
ionization gage
It's a living.
juars
Klemperer's disease
kripalani
lifehouse
low lying swamp land
marinization engine
mayson-dew
mechanism of dimples
Megaphyton
Melinninae
metasphaeria theaevora hara
microflorae
minimum detectable temperature
Neo-Morrhuol
Ness, River
nondetachable power supple cord
Nordicists
normal background value
osserman
piston rod guide cap
pseudo-haversian canals
quality scale
recursive system theory
retine
rub board
Salix lindleyana
satellite electronic countermeasures system
screen management
serious testing
skinningroves
sparrow-hawk
spazzed out
spectrahedral
stylohyal
terrestrial geocentric system
thumbmarked
tizolemide
tonsilotomies
ureter-renoscopy
ureterocy-stoneostomy
user equivalent range error (uere)
vallecula cerebri lateralis
wire screen ladle
wire spoke wheel
writes-in candidate
writing software performance
xiphosura
youngs modulus
zylate