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
A-framed tower
after swim
Alfven speed
alkali resistant primer
All Told Measurement
allyl bromide
anthropobiological
astronomy satellites
autoimmunogenic
Autorama
average flow
babelomurex finchii
bergdorf
bilinear functional
blame-free
bothie
canonicalizes
capstan-lathe
carbonitriles
centrifugal sewage pump
cey
chaplainship
claisen-type adapter
Clarke Glacier
cold joint
counterflory
cracked fuel dilution
crystal field spectrum
cyclic shifts
deserialize
Desktop gadgets
diesel electric reduction drive
Disyncran
dual spindlebiax
electrospot test
ethnographic film
Exidia auricuia
extraordinary resolution
first-order closure
free from damage on the machined surface
full open front
genning
genus Desmidium
hedecagon
horary astrology
infringing
inter-countries
intergranular thermal current
kelhams
lateral cervical ligament
Litsea ichangensis
longitudinal wound
market-indexes
memorisings
millirad (mrad)
Moreton Seamount
multispud burner
NSC-9166
numbers runner
nutured
opas
out-fronts
oxygen-removal crosssection
paedomorphy
parahypophysis
Parker Seamount
partitions of information
Pastia lines
peripheral
PGE
proper mixture ratio
prototype tests
recovery altitude
regasses
regulating block
residual acceleration
reverse IDA
Rostrup
shakeshaft
shallow pond
shallowing
small white taro
specification feature
speediful
Stableford
stress similitude
stretchier
superjet
switch round
taters
telecineing
temporary needs
the marriage of peleues and thetis
timber rattlesnakes
Timchenko
tough nookies
underreckonings
villards
virgin atlantic
webyeite
wedge electrode
Whampoa Estate