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Editors note: This is the third episode of four-part series on verb tenses. Be sure to listen to part one and part two first. For VOA Learning English, this is Everyday Grammar. Today we are going to talk about the perfect verb tenses. Perfect tenses

发表于:2018-11-27 / 阅读(536) / 评论(0) 分类 2016年VOA慢速英语(十二)月

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(322) / 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(366) / 评论(0) 分类 决胜六级英语听力

Bob Barret believes in integrity a belief that eventually led him to tell his wife and children that he is gay Welcome to This I Believe, an NPR series presenting the personal philosophies of remarkable men and women from all walks of life. I believ

发表于:2018-12-02 / 阅读(237) / 评论(0) 分类 2007年NPR美国国家公共电台

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(228) / 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(222) / 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(223) / 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(157) / 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(283) / 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(213) / 评论(0) 分类 2014年ESL之商务英语

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(315) / 评论(0) 分类 数学英语

A new report says the sport of tennis faces very significant problems with integrity. The report said the problems, involving issues like fair play and honesty, are most notable at the lower levels of the sport. It said a major cause was a sharp incr

发表于:2019-01-03 / 阅读(198) / 评论(0) 分类 2018年VOA慢速英语(五)月

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(251) / 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(238) / 评论(0) 分类 Scientific American(五)月

Afghan President Hamid Karzai (卡尔扎伊) says he believes in the integrity of last month's election process despite allegations of vote-rigging. He said he had been surprised and rather shocked by EU observers who recently said that about a quarter

发表于:2019-01-19 / 阅读(202) / 评论(0) 分类 英语新闻

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(183) / 评论(0) 分类 阅读空间

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(252) / 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(183) / 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(165) / 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(230) / 评论(0) 分类 柯南脱口秀
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adiabatic evolution
Allogromiina
ameboid cell
AYOR
Beaverlodge
bounded group
bursae musculi bicipitis femoris superior
centering control
cerevisial
charles edward ivess
Chengtu
colonial organism
concrescible
copull
costae rib
crackpottery
cryogenic container
Dak Don
decriminalisation
deep-bar motor
Dictionary of National Biography
distributed data network
double measurement
duaos
epithienamycin
essentially bounded functions
exchange file
extenuator
factory-made house
fifth-wheel trailer
foot protection
foreground message processing program
fringy
gate controlled delay time
geneticss
Gleifometer
grassy shore
grossolite
guide position
homeomorphous
hongda
hydrous zirconium oxide
indusaeform
isotopic thickness gage
Krawtchouk polynomials
leavesden
leukomethylene blue
listsibs
love struck
machine save
Maidi
marine education and training
marine slipway
melantine
mesmerisms
molecular biology of bacilli
Monte Carlo technique
motleyness
motormouthing
myriametric
namelessness
neutron scattering analysis
non relativistic particle
orifice union
paint for road marking
pass into history
pecadile
pen plotter
peptolytic eozymes
plessimetric
powhatans
prefemuro-femur
priori probability
progressive osseous heteroplasia
provider communication information
pundettes
reductionto absurdity
remoralizing
resupinatus
robusticity
satiabler
Senecio exul
shovelling plate
shuto
spiral-phase antenna
static-pressure ratio
statistical surver
statutory arbitration
straining maneuver
strictly stationary process
supermarket tabloid
Synagogue Council of America
tachocline
temporary coating
the world on one's shoulders
thumb flint
Tomingley
ut supra
variegated copper ore (bornite)
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warp yarn
wiper speed control