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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(574) / 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(362) / 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(396) / 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(255) / 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(265) / 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(256) / 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(179) / 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(322) / 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(254) / 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(348) / 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(299) / 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(276) / 评论(0) 分类 Scientific American(五)月

Don't change horses in the middle of the stream to jump on the bandwagon 美国的民意测验显示,布什总统落后于民主党候选人克林顿。这使人想起在十九世纪美国内战期间

发表于:2019-01-09 / 阅读(269) / 评论(0) 分类 美国习惯用语

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(229) / 评论(0) 分类 阅读空间

SAN FRANCISCO, April 19 (Xinhua) -- YouTube announced Tuesday that the much-anticipated British royal(王室) wedding of Catherine Middleton and Prince William will be live streamed on the website' s live channel. Next Friday, the live stream will fo

发表于:2019-02-03 / 阅读(247) / 评论(0) 分类 英语新闻

Volunteers, farmers and local government in Pennsylvania community work to clean up waterways. Rosanne Skirble | Lititz, Pennsylvania 30 November 2009 Watch: Skirble report Windows Media Lititz Run prior to restoration with eroded stream banks and fe

发表于:2019-02-05 / 阅读(219) / 评论(0) 分类 VOA标准英语2009年(十二月)

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(291) / 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(208) / 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(185) / 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(276) / 评论(0) 分类 柯南脱口秀
学英语单词
ACME commodities and phrases code
adjoint linear space
Amalphitan Code
anisotropic dielectric
annealing kiln
antiquated law
applebanks
ballcaps
bornadiene
bromoalkene
bulgarian
capacitive potential divider
central tangent
centropus toulou bengalensis
cold-calls
colliculi
comsat (communication satellite)
contemporaneous
convex bow
currendy
current legislation
dasyscypha abieticola p. henn. et shirai
decrement response
density data
differential bridge type spectrometer
direct finishing
diversion of household deposits
event occurred
excursioning
explans
francis harry compton crick
gaborit
gas segregation
goosebumples
Gordola
Gymnodinia
henry, cape
Highgate
hippoliths
humanisation
hyperchaotic
inactivities
infinitesimal generator
inflow effective
interlayering
ionosphere scatter communication system
kulishov
labor of overlooking
letter of procuration
lindahl
lives in
loosened oxide
Lwezo
melubrin
monna
moving-iron ammeter
nalchiks
netjets
neurological handicap
nonwinged
oddlevel
operand precision register
peak broadening
Phar.D.
piscicapture
polarization spectroscopy
port mcnicoll
positive temperature coefficient heater
prima facie case of damage
projection reading
protective equipotential bonding system
pyrometric cone equivalent
quadratically integrable function
redevelopment company
regional power plant
sand-groper
scummiest
sequential access method
shell membranes
spell-checker
static flexibility
static pressure level gage
steelwork
structuralistic
stumpster
surplus energy theory
text link
thank heaven s
tickweed
tikaram
Torricelli's vacuum
translator program
transportation chief
trichomanes tahitense
uala-andhi
unispores
volume permeability
wannians
weolthe
white-lime
wood-panellings