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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(471) / 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(255) / 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(308) / 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(186) / 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(197) / 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(178) / 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(186) / 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(126) / 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(238) / 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(177) / 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(271) / 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(203) / 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(185) / 评论(0) 分类 Scientific American(五)月

由于传统的英语教学里面不涉及小作文的内容,所以雅思写作的小作文部分一直是很多同学的软肋。不会说名称,不知如何分析对比,即使有思路却不知如何表达,成为很多同学的问题。下面

发表于:2019-01-18 / 阅读(198) / 评论(0) 分类 雅思英语

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(143) / 评论(0) 分类 阅读空间

reaction n.反应,反作用 registered adj.已登记的,已注册的,记名的 reliance n.信任,信心,依靠的人或物 解析:put reliance on (in) sb.'s promises信任他的诺言 self-reliance自

发表于:2019-02-03 / 阅读(153) / 评论(0) 分类 英文语法词汇

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(203) / 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(156) / 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(133) / 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(187) / 评论(0) 分类 柯南脱口秀
学英语单词
A little knowledge is a dangerous thing.
abstracted
airy's stress function
Aletsch
analytical facilities for protein determinations
anterior palatine foramen injec- tion
Assisi embroideries
atomic-force
basicas
Bi-ketolan
Blubberhouses
blue print approach
bottom pinch roll
Boyg
Boyle's temperature
can-type flameholder
cannot but do
cash advanced to master
circle of Willis'
circulating water discharge cannal
clingstone peach
complete measure
conventional electric logging
countrywide financial
court circular
defect electron
engine afterburner
exit help
fabless
familial short stature
fatigue breaking
Frmdelane
fuel assembly sipping test equipment
gains from corruption
Garckea
gas delay line
genus belamcandas
give a glance over
gliscent
Gorgān, Ostān-e
graphite reinforcement
hot spike
hyalinising
iliadelphus
implied warranty of seaworthiness
indirect echoes
induly
insult
isocetane
kuke (kuki)
lalochezia
lifelong reader
Liffré
like a rat in a hole
line series capacitor
lipidology
liverworth
luffing arm type davit
Macleod gauge
Manuel, Pta.
mass transfer theory of engineering
multilayer adsorption
Mutrakni Pt.
non-vital
Okidaito-jima
piebald skin
plan on
plane knife
playin
portfolio watch case
poser
principle of centrality
propionaldehyde semicarbazone
proportional mortality indicator
propyloic
proximal pole
Pseudohole
re-win
rear lamp
relaminarizes
reophore
roof level
Rut. -Cam.
salient pole type field
salpinh
Salur
Scotch elder
shapt
sharp product
silopi
some-how
straight embryo
subject-to opinion
sundew families
tertiary crushing
test specimens
Theodosian
theoretical pedagogics
vasuclar coat
yellow copperas (copiapite)
you are welcome
zoomimic