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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(400) / 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(173) / 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(203) / 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(118) / 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(121) / 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(135) / 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(65) / 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(168) / 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(112) / 评论(0) 分类 2014年ESL之商务英语

backset, n 挫折,倒退;涡流,逆流=check 【记】backset=set back-倒退 【反】hike(n 远足,增加)

发表于:2018-12-30 / 阅读(107) / 评论(0) 分类 不择手段背单词

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(203) / 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(125) / 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(122) / 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(123) / 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(92) / 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(128) / 评论(0) 分类 英语新闻

BEIJING, Feb. 19 (Xinhua) -- The People's Bank of China (PBOC) on Tuesday started a 28-day repurchase operation worth 30 billion yuan (4.8 billion U.S. dollars) for the first time since June, according to a statement on its website. A repurchase oper

发表于:2019-02-08 / 阅读(108) / 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(101) / 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(78) / 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(94) / 评论(0) 分类 柯南脱口秀
学英语单词
ahoying
air pollution chemistry
Al Sabkhāyah
alloying junction transistor
alue
ammonium-aluminum sulfate
arcing-horn grid arc-chute
Balanka
basic exploratory line
boundary layer phenomenon
bulkhead spacing
cataract mixed
certificados
chrysose
Cladonia rangiferina
claim a reward
Client Application Services
cloutery
commission on current account
continuous cash flow
counter-carte
creeping speed
cushion of eustachian orifice
cybeles
dansey
date palm
deburr
Deniker, Joseph
dialectless
differential actinometer
DNS amplification attack
docklabourer
edit sth out
enterknowledge
eyebrow reconstruction
FB-111
fix the venue
fuel central temperature
gang-banger
genus sorghums
hand slide rest
heading of station
hectokatal
hole nozzle
how to deal
incontestability
indicantion
inhibition protection
invulnered
iris florentinas
Is anything the matter with something ?
juvenile melanoma of skin
leprotine
loss of time
magnetizing susceptance
market week
marking impulse
mcaffe
mercury column
metal-oxide-semiconductor diode
mngmt
nature printing
Nussbaum's cells
objective force level
onotherapy
original site
Pakruojis
Pap smears
photo-etched slow wave structure
photoelectrophoretic camera
Pillar, C.
preformed unit
Preslia
pronosophical
quality verification
queue system
radio post
red-baiter
richey
rotodiffusive
self-activating
silicoflagellates
social evolution
Sunzha
tawsome
termolecular
treponemataceaes
tromba marinist
TSX Venture Exchange
tube-in-sleeve alidade
ulnar veins
ungual mycoma
university diploma
unobtainable
urogenital canal
user script
vaccinist
vapor pocket
view finder focus
wet laminate process
wind component indicator
worn gear