上游阻抑序列

Section A [00:01.23]1. M: I haven't decided which subject to major in [00:04.96]physics or chemistry. [00:07.76]W: It isn't easy to choose,is it? [00:10.21]Q: What does the woman mean? [00:13.87]2. W: The map shows that this street goes downtown. [00

发表于:2018-11-29 / 阅读(169) / 评论(0) 分类 决胜四级听力必备

Section A [00:01.54]1. M: My grandpa died in 1978. I was 18 years then. [00:08.20]W: That means he would be 76 if he were alive. [00:11.49]Q: How old was his grandpa when he was dead? [00:14.45]2. M: Why are you going so fast? [00:17.53]Where are you

发表于:2018-12-01 / 阅读(194) / 评论(0) 分类 决胜六级英语听力

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Its the time of year to take a look backand thats just what the journal Science did as they listed their most important breakthroughs of 2008. At the v

发表于:2018-12-02 / 阅读(114) / 评论(0) 分类 Scientific American(十二)月

图片 by Jason Marshall Its not often someone suggests that knowing some math could make you the life of the party, but thats exactly what Im going to do. Yes, a properly timed delivery of a few fun facts about the famed Fibonacci sequence just migh

发表于:2018-12-07 / 阅读(118) / 评论(0) 分类 数学英语

[ti:UNIT 7 Enjoy Your Hobby Lesson 56:Unit Review] [0:01.051]Unit 7 [0:02.631]Enjoy Your Hobby [0:04.894]Lesson 56: [0:06.943]Unit Review [0:08.907]I. [0:10.231]Building Your Vocabulary [0:12.963]A. [0:14.500]Fill in each blank with the proper word o

发表于:2018-12-10 / 阅读(129) / 评论(0) 分类 河北教育初中英语(初中起点)八年级上

发表于:2018-12-12 / 阅读(60) / 评论(0) 分类 医务英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The human genome was sequenced, and in the process of moving that forward the technology that was developed was incredible. And because of their efforts in human genome,

发表于:2018-12-24 / 阅读(159) / 评论(0) 分类 Scientific American(十)月

Describing Order and Sequence Patrick: Okay, your first task is to put all of these files in order. Maya: Wow, there must be hundreds of files in this storeroom. How am I supposed to organize them? Patrick: Create a basic filing system. Put things in

发表于:2018-12-27 / 阅读(110) / 评论(0) 分类 2014年ESL之商务英语

神奇校车带领孩子们进入浩瀚的科学领域,游梭于生物科学、地球科学、太空科学、气象学、古生物学等各门学科中。被纽约时报评为最新鲜有趣、最富有创意和想象力的科学启蒙方式。孩子

发表于:2018-12-31 / 阅读(136) / 评论(0) 分类 神奇校车系列丛书

图片 by Jason Marshall Some math is functional. Some math is fun. And some math is simply stunning. If that last description sounds improbable to you, then today just might change your mind. Because now that weve covered enough ground, were going t

发表于:2019-01-02 / 阅读(201) / 评论(0) 分类 数学英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky, got a minute? Neandertals were our closest relatives. And now we know a lot more about them. Because researchers have for the first time sequenced a complete Neandertal genomethat of

发表于:2019-01-08 / 阅读(120) / 评论(0) 分类 Scientific American(八)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? Robin Williams thought that the platypus was cobbled together by an inebriated deity: Lets take a beaver. Lets put on a ducks bill. Now we know how weird the platypus is

发表于:2019-01-08 / 阅读(115) / 评论(0) 分类 Scientific American(五)月

Man Follows Upstream Dream in 'Salmon Fishing in The Yemen' Dr. Alfred Jones knows pretty much all there is to know about salmon. So when a wealthy sheikh asks him to create fishing streams in the desert, he is, to put it mildly, skeptical. SHEIKH Yo

发表于:2019-01-13 / 阅读(91) / 评论(0) 分类 VOA标准英语2012年(三月)

The Streaming Down the Yangtze team has arrived in Yichang, Hubei Province and visited the Three Gorges Dam, the world's largest hydropower station. The dam also helps to prevent floods and boost river navigation. The team's passenger ship went throu

发表于:2019-01-19 / 阅读(97) / 评论(0) 分类 2018CRI中国国际广播电台

古埃及金字塔是奴隶制帝王的陵墓,最宏大的当为吉萨三座大金字塔。塔基呈方形,每边长230米,高146米,用230余万块巨石(每块平均重达2.5吨)垒成,国王墓室用一块400吨重的石板垒成。整体规

发表于:2019-02-01 / 阅读(84) / 评论(0) 分类 阅读空间

The damaged cruise ship Eastern Star has been moved ten kilometres upstream from where it capsized in the Yangtze River, following concerns the ship may sustain more damage in inclement weather in the area. The capsized ship Eastern Star is towed awa

发表于:2019-02-05 / 阅读(76) / 评论(0) 分类 cctv9英语新闻2015年

BEIJING, Aug. 22 (Xinhuanet) -- Researchers have discovered how a human egg captures an incoming sperm for fertilization, paving the way to help couples suffering from infertility, according to media reports on Monday. An international team of resear

发表于:2019-02-08 / 阅读(123) / 评论(0) 分类 英语新闻

Listen to the schedule of a business trip. Fill in numbers l-8 to point out the sequence of the schedule. I'm leaving for Milan on the 7th of June. l'II arrive there on the 8th evening at about 7:OOpm. Then, l'II take a shuttle bus to the hotel. On t

发表于:2019-02-17 / 阅读(91) / 评论(0) 分类 英语听力练习题

Listen to the dialogues and write the correct sequence of l-6 as mentioned in the dialogues. A:How do I search books from the computer? B:First, key in your PIN number. Then, it goes to the Library's Homepage. Then, you can choose any way you want to

发表于:2019-02-17 / 阅读(74) / 评论(0) 分类 英语听力练习题

Thank you for being here,Fareed.Nice to have you on the show. 多谢你抽空前来 法里德 很高兴你能来上节目 Let's get started first with your background.I do think I know a lot about you. 首先聊聊你的背景 我觉得我很了解你

发表于:2019-02-23 / 阅读(88) / 评论(0) 分类 柯南脱口秀
学英语单词
alto stratus castellatus
andrias scheuchzeri
Aprism
ASGP
autopatch system
average particle size
barossa
barrel-vaulteds
belt-and-suspenders
birthas
Birthday of Martin Luther King, Jr.
boiler with dry-bottom furnace
Bollon
Bramsche
broad grip
buried arc
Burnett, Frances Hodgson
Buxtamine
byse
camaras
cassianoes
ceratopharyngeal part
choreutis orthogona
control mass
corrovaline
cubeba
cyano groups
demeanor evidence
detain flood
dipleurobranchiate
droolings
Ductuslactiferi
Eksingedal
epipteric bone
error-detection routine
etherizer,etheriser
Eurofund
exocentrus fulvobrunneus
fog attenuation
free lowering
frogly
gemmula lancea
Gin Act
Habenaria acuifera
haulway
heginbottom
heptacosane
hyatte
hyperconjugated
isotope separation methods
key sector
launch cost
leiston
lick one's chaps
linear attenuation
maser receiver
Matawin R.
maximum demand recorder
Mayo, Pta.
McDuck, Scrooge
mean-spiritedness
N. A. I.
nonerasable medium
Nordurandron
normal direction flow
oil breaking
overvotes
picraconitine
pneumatist
preserve order
protracted typhoid fever
psychonosis
pulpitides
quadrature-axis sub-transient voltage
real-time animation
reeved
residual monopoly power
residual strain
richard the lion-hearteds
root concentration
Saveni
scavenging arrangement
selecting media
set at no value
sign extension
silverite
sinus transversuss
slab-sideds
soffit springing
spectral width
taeda
tolerability
tooth decay
Transfer Cars
tread carefully
turnpikings
vibicyclisal
walk a Virginia fence
weesill
wineberries
wood-splitter
wrongful-termination