过氧化氢法

CHAPTER TWO Reading POLLUTUO FIGHTERS [00:09.90]Judy is collecting some facts for a class project on pollution. [00:18.44]She is interviewing Doctor Ray,a scientist,about trees. [00:27.51]Judy:Why are you so interested in trees,Doctor Ray? [00:38.16]

发表于:2018-12-01 / 阅读(573) / 评论(0) 分类 上海牛津初中英语八年级

A-B-C METHOD OF MANAGING ATTITUDES As an airport skycap checked through a customer at curbside, he accidentally knocked over the man's luggage. He quickly collected the fallen bags and apologized for the mishap. Unappeased, the traveler burst into a

发表于:2018-12-07 / 阅读(384) / 评论(0) 分类 每天一点英文

Broadcast: February 14, 2003 By George Grow This is the VOA Special English Environment Report. President Bush has offered a plan to speed development of technology that uses hydrogen as fuel. His goa

发表于:2018-12-07 / 阅读(210) / 评论(0) 分类 VOA2003(上)-科技导航

I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of conflicts: Jews and Arabs; Indians and Pakistanis

发表于:2018-12-12 / 阅读(178) / 评论(0) 分类 英语演讲

[00:04.88]LISTENING [00:07.63]Listen to the description of the three culture sites. [00:12.67]Complete the map of each site based on what you hear on the tape. [00:18.55]List the names and the importance of the sites,and what is being done to protect

发表于:2018-12-13 / 阅读(285) / 评论(0) 分类 人教全日制普通高中英语(必修)高一

Scientists List Four Ways to Capture Carbon, Limit Rising Temperatures A new report suggests four simple ways to remove carbon dioxide from the atmosphere. Carbon dioxide is among the gases linked to the increase in the Earths temperature. The Nation

发表于:2018-12-16 / 阅读(169) / 评论(0) 分类 2018年VOA慢速英语(十一)月

我上个月坐火车到纽约去看朋友,上车后刚要坐下,旁边座位上的女乘客就开始很大声的自言自语,看上去精神好像不太正常,吓得我只好在过道对面远远地坐下。 后来我注意到,每次有人要

发表于:2018-12-16 / 阅读(263) / 评论(0) 分类 美国习惯用语

Unit 8 [00:02.90]Save Your World!What Is Garbage?Garbage is everything that you throw away. [00:13.06]What do we do with garbage?We bury or burn most garbage. [00:19.54]Burying garbage is quick and easy but uses a lot of land. [00:26.07]Most land nea

发表于:2018-12-17 / 阅读(348) / 评论(0) 分类 河北加拿大版初中英语读物

Books and Arts;New film 文艺;新片上映 Method in the madness 疯狂中的理智 A searching look at what caused the split between Freud and Jung 深度挖掘:弗洛伊德、荣格决裂的原因 Psychoanalysis, as practised by Carl Jung and

发表于:2018-12-31 / 阅读(282) / 评论(0) 分类 经济学人文艺系列

By Greg Flakus Scientists in Texas are trying to find a way of reducing carbon dioxide air pollution by capturing the gas, compressing it and then putting it underground. This technique could also yie

发表于:2019-01-03 / 阅读(174) / 评论(0) 分类 VOA2004(下)--健康科技

A Step Closer to Major HIV Prevention Method A U.S. government panel has recommended the use of a once daily pill to help prevent HIV infection. The pill has been shown to be very effective in studies. The Food and Drug Administration, the FDA, now h

发表于:2019-01-13 / 阅读(221) / 评论(0) 分类 VOA标准英语2012年(五月)

NEW YORK Plug in your car, then unplug, and drive away. More and more consumers are doing just that. At the 2014 New York Auto Show many automakers unveiled electric or hybrid vehicle to address the growing global appetite for environment-friendly ca

发表于:2019-01-30 / 阅读(176) / 评论(0) 分类 英语新闻

AGRICULTURE REPORT – March 12, 2002: Carbon Dioxide and Crops By George Grow This is the VOA Special English AGRICULTURE REPORT. Increasing levels of carbon dioxide gas in Earth’s atmosphere have

发表于:2019-01-30 / 阅读(205) / 评论(0) 分类 农业与发展

PREFIX 1.a-:of;on;intensive;negative,not,without;ad-;ab-. 2.ab-:away from,off. 3. ad-:to;at;for. 4. aer(o)- :relating to air . 5.al-:all. 6.ambi-:on both sides,around. 7.amphi-:on both sides,around. 8.an-:negative,not,without. 9.ana-:upon,up,on. 10.a

发表于:2019-02-06 / 阅读(221) / 评论(0) 分类 雅思英语

Traditional Teaching Method Do your teachers still use traditional techniques to teach you nowadays? A revol- ution in teaching techniques is required now. In the past, we just took it for granted that a teacher' s aim was to teach the students all t

发表于:2019-02-08 / 阅读(218) / 评论(0) 分类 英语作文

December 30, 1954 I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of conflicts: Jews and Arabs; Indi

发表于:2019-02-09 / 阅读(224) / 评论(0) 分类 英语美文

Drivers in the eastern United States may soon start paying for the pollution made by their motor vehicles. Nine eastern states and Washington, D.C. are launching a system of pricing the carbon dioxide produced from burning gasoline and diesel fuel. M

发表于:2019-02-14 / 阅读(197) / 评论(0) 分类 2019年VOA慢速英语(一)月

9月16日是墨西哥馆日,墨西哥馆五颜六色的风筝森林吸引了不少人的眼球,你知道小小的风筝里有什么大学问吗?其实风筝也有很多种分类哦,一起来看看吧。 说到kite这个单词,这也许是我们

发表于:2019-02-18 / 阅读(240) / 评论(0) 分类 英语口语

North Korea conducted a 'successful' hydrogen bomb test, Pyongyang has confirmed. The thermonuclear weapon triggered a massive 5.1 magnitude earthquake when it exploded at 10am local time on Wednesday. 平壤方面已经证实,朝鲜成功的进行了

发表于:2019-02-18 / 阅读(161) / 评论(0) 分类 英语新闻

What Causes A Can Of Food To Swell? 罐装食品膨胀的原因 Most of us are cautious eaters. If youre munching grapes, youll probably skip one thats all shriveled and discolored in favor of the round, healthy ones. Likewise, when you choose a can

发表于:2019-02-24 / 阅读(157) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
aeronautical maps and charts
ammonium alums
anthropobiology
anthropomorphitisms
antiseptol
articulationes sacroiliaca
bacterial exotoxin
bait-and-switch pricing
biconical cusp
calcium formate
carrot fly
central-server
chemical bleaching
Cibacthen
coccygeal muscle (or caudal muscle)
Codonopsis meleagris
coir mat
Colburn, Irving Wightman
component spinor
condensation mechanism
connection terminal
constituent structure
current priority level
cut one
delegatus non potest delegare
diastereoisomers
double surface planer
ekbom
festa
flanged tyre
force
Fransfonteinberge
freeonboarstowed
frontal apron-plain
furley
fuse case
Gallagher
gouy method
hatch clamping beam
i-fuled
ice-stream
jumbo-boom
learning disabled
linecross
lipton
lomnicky
low-activity
Luanda, Prov.de
Lympstone
marcesent
mareing
matched pairs design
measured income
Monou
native monkey
negociation
net profit rule
nicotinic acid monoethanolamine salt
nozzle expanding process
pedipalpus (pl.pedipalpi)
pedodontists
perineoprostatectomy
PGLC
play-only
Plešivec
popular music genres
pressure multiplier
profibr(in)olysin
prospective market
prothonotary
protiofate
quantitative classified table
race disposition
random coil
rate of freight compensation
redigests
round tripping
septic scarlet fever
sick puppies
simplex operation
sircar
soq
Space Report
special payroll bank account
Spillersboda
Spiraea blumei
star attraction
steam-vessel
steel sheet disk wheel
stiefel
superior temporal arteriole of retina
swallow-wort
systema respiratorium
taper file
thrift boutiques
tungsten arc welding
unregulated supply
vacuum ejector
walk ahead
will.i.am
without offence
yssored