2-甲-4-戊烯-2-醇

UNIT 5 What color is it? [00:05.69]Section A Activity 1b. [00:11.55]Listen to the conversations [00:15.78]and then match the letters with their colors. [00:20.92]Conversation 1 [00:24.48]A:What's this,Wendy? [00:27.82]B:It's a letter W. [00:31.58]A:W

发表于:2018-12-13 / 阅读(287) / 评论(0) 分类 新目标初中英语七年级

AS IT IS 2016-10-01 Report: Smoking May Permanently Damage Genetic Material 报告称吸烟或永久性损伤你的遗传物质 Here is another reason to not light up a cigarette. Smoking can permanently damage your genetic material, according to a n

发表于:2018-12-16 / 阅读(106) / 评论(0) 分类 2016年VOA慢速英语(十)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a

发表于:2018-12-24 / 阅读(158) / 评论(0) 分类 Scientific American(六)月

Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to the research presented at the American Chemical Society meeting

发表于:2018-12-24 / 阅读(156) / 评论(0) 分类 Scientific American(三)月

正文: 1、Is this your pen? Yes,it is. 2、Is this your pencil? Yes,it is. 3、Is this your book.? Yes,it is. 4、Is this your watches? Yes,it is. 5、Is this your coat? Yes,it is. 6、Is this your dress? Yes,it is. 7、Is this your skirt? Ye

发表于:2018-12-27 / 阅读(120) / 评论(0) 分类 英语学习乐园

You may have heard that humans and chimpanzees have something like 96 percent of our DNA in common. So why, then, are diseases like cancer so common in humans but so rare in chimps? If our DNA is nearly identical, shouldnt we be at risk for many of t

发表于:2018-12-28 / 阅读(124) / 评论(0) 分类 初学者听力文摘精选

June the 1st is Pen Pal Day. Im sure most of us have had a pen pal at one time in our lives. Many of us still have one. Today is the day to say thank you to your pen pals. It is also the day to thank your key pals too. Nowadays, most people communica

发表于:2018-12-29 / 阅读(173) / 评论(0) 分类 英语课程学习计划和讲义

Stomach Cells Happier with Dark Roast Coffee Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to research presented

发表于:2019-01-02 / 阅读(178) / 评论(0) 分类 60秒科学

M Madasiatic acid 崩大碗酸 Magnoflorine 木兰花碱 Magnolia cortex P.E 厚朴提取物 Magnolol 厚朴酚 Maitake mushroom P.E 灰树花提取物(舞茸提取物) Malonyl Oleanolic acid Hemi

发表于:2019-01-03 / 阅读(162) / 评论(0) 分类 医务英语

AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals

发表于:2019-01-06 / 阅读(193) / 评论(0) 分类 农业与发展

By Benjamin Sand Muzaffarabad 11 January 2006 A Kashmiri girl sings to her class in a tent school in a refugee camp in Muzaffarabad, Monday, Dec. 26, 2005 Thousands of students across Pakistan's devas

发表于:2019-01-07 / 阅读(158) / 评论(0) 分类 2006年VOA标准英语(一月)

Sorry,there is no text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得 10 到 30 积分的奖励 ! Thank you !

发表于:2019-01-10 / 阅读(212) / 评论(0) 分类 英国原版Beep嘟嘟剑桥少儿英语

By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the

发表于:2019-01-11 / 阅读(157) / 评论(0) 分类 VOA2003(下)-环境与健康

By Scott Stearns White House 22 February 2007 U.S. President George Bush wants to cut America's dependence on foreign oil by increasing the domestic production of alternative fuels. VOA White House Correspondent Scott Stearns has the story. President

发表于:2019-01-12 / 阅读(159) / 评论(0) 分类 2007年VOA标准英语(二月)

Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长

发表于:2019-01-26 / 阅读(184) / 评论(0) 分类 经济学人科技系列

图片1 图片2 图片3 图片4 图片5 图片6 图片7 图片8 图片9 图片10

发表于:2019-01-27 / 阅读(230) / 评论(0) 分类 粉红猪小妹第二季

ROME, Oct. 3 (Xinhua) -- Inter have been hit with suspensions and fines following their protests in Saturday's controversial loss to Napoli. The Nerazzurri suffered a 3-0 defeat at the Stadio Meazza in a game where the decisions of referee Gianluca R

发表于:2019-01-31 / 阅读(157) / 评论(0) 分类 英语新闻

Body Clock Provides Clues to Aging 生物钟提供衰老的线索 If youre searching for the fountain of youth, you might find it in your DNA. Thats according to a new study that sheds light on the biological clock ticking in our genomes, why our bod

发表于:2019-01-31 / 阅读(172) / 评论(0) 分类 VOA常速英语2013年(十月)
学英语单词
aero-propeller
air transportation insurance
alkaloidal reagent
Allischalmers critical experiment facility
ameroseiid
assays
atmospherically
attributions towards others
audioreproduction
blast-produced
Bohemian topaz
booster average thrust
boundary member
brunoes of toul
brush-tailed possum
caput ulnare
chamber detritus
chapultepecs
chewongs
chrominance channel
conduct business system
cyanoalcohol
Daiwa Overseas Finance Limited
dals
decanethiol
diagnosis of program
discharge per unit width
docking bridge awning boom
drug gang
empyesis
eucentric structural hybrid (darlington 1936)
expansion appliance
exponential transient
external ear
fanfolding
foarde
freshwater community
FWD slack
giant caterpillar truck
graphite-alkali metal compound
hand mating service
hylozoistic
icica
in thousands
IYD
jewett
legendous
line regulation
litzendraft wire
low hydrogen type electrode
low-frequency cycle
LPCT
main stop valve
Malfa
maximum customer service
meta-uvanopilite
missile flight simulation
morbs
myozenin
noise field strength
paeoniae radix alba
pantropy
Passa Quatro
passive-aggressive
per capita assets
percentage of passenger seats utilization per car
perchloromethyl formate
peripneumonia
pillowcases
porous tricalcium phosphate
primper
quantitative thinning
regulatory body
rescalable
resource hierarchy
ridge slate
saleem
shell-shockeds
shippers council
skew aileron
st. paul i.
stevie nicks
Striatosporites
subcritical reactor
submillimeter wave oscillator
sympa
take me out
TECHOS
the star of bethlehem
throw the baby away with the bath
time link
tipula (formotipula) argentea
trifluoro-acetic chloride
turcopoles
two-bells system charging
type-font
types of burst
ultrasounds
unmodernize
washed overboard
Yampil'
yangtse