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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(669) / 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(475) / 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(514) / 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(340) / 评论(0) 分类 Scientific American(十二)月

Do you ever need to persuade or convince someone of your point of view? Do you need to win support for a proposal, or get backing for a project? Of course you do. Persuasion convincing someone of something is an essential part of almost everything we

发表于:2018-12-05 / 阅读(382) / 评论(0) 分类 商务英语演讲课

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(397) / 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(362) / 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(306) / 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(446) / 评论(0) 分类 Scientific American(十)月

Three quarters is the same as naught point seven five. Naught point two five is the same as a quarter. Naught point three three is the same as a third. One and half is the same as one point five. An eighth is the same as naught point one two five.

发表于:2018-12-26 / 阅读(203) / 评论(0) 分类 流畅说英语口语教程

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(337) / 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(464) / 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(407) / 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(395) / 评论(0) 分类 Scientific American(五)月

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(362) / 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(412) / 评论(0) 分类 英语新闻

Among the matches in progress. It is Roger Federer trying to advance as he faces Nikolay Davydenko. The score there was 6-3/6-4/6-4. Meanwhile, the earlier results seeing Andy Murray moving through after overcoming Portugal's Joao Sousa in three sets

发表于:2019-02-14 / 阅读(208) / 评论(0) 分类 英闻天下

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(296) / 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(306) / 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(385) / 评论(0) 分类 柯南脱口秀
学英语单词
accumulated cost
acoustic impedence
adiabatic humidification
air barrage
air-blast transformer
airtight door
andaman and nicobar is.
astronomical distances
audiometric
baulez
billicapacitor
biocoenoses
blossomed
break-even exchange rate
burnable absorber
business panics
catchpoles
Ch'angdo-gun
class-mates
clof
close construction
colitas
computer system of dispatching automation
Coubon
customs agency
daisywheels
devalued
dilweg
diphenylacetypene
direct cost of project
elementary color
Elementary Medicine
energy of light
enzymatic decortication
Equisetophyta
event logger protocol
ever now and again
explosion crater
family-specific
flexible bellows joint
Galaxy S
gangway platform
genus macrotylomas
graubner
grey-whitest
grunsel
guest-conduct
Guiana Highlands
hand brake control hand
hat type
heavily doped seed
herpetic
high-rev
hyperdifferentiated
immuned
implied undertaking
interchangeability of gas
interconnection tariff
isophotic
Karsamaki
Linea nuchalis superior
liquid-air trap
loap
macrobursts
mad hatter
made course
magnetic susceptibility
midship coeficient
mutiny
night-porters
noncarboniferous
patent list
Pedilidae
pkospholipin
positive primary photoelectric current
pre-modem
precol
quoit
rack and pinion motion
recoupable
resistivity against water
reticle cross
rope someone into something
saddle mt.
scrobiculus cordis
seello
silty breccia
simooms
soft pine
station centre
strategic position
Tacagua
the biggest frog in the pond
throttle lever connection
Tidewater region
Tijnje
topologically equivalent spaces
tribrompthenyl salicylate
tubing plug
wet air compressor
width of orifice
Zoanthropia