同纬映像序列

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(629) / 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(435) / 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(455) / 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(302) / 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(345) / 评论(0) 分类 数学英语

Lesson 17: The longest suspension bridge in the world 世界上最长的吊桥 Listen to the tape then answer the question below. 听录音,然后回答以下问题。 How is the bridge supported? Verrazano, an Italian about whom little is known, sa

发表于:2018-12-08 / 阅读(1083) / 评论(0) 分类 新概念英语第三册

[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(323) / 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(261) / 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(402) / 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(304) / 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(413) / 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(360) / 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(333) / 评论(0) 分类 Scientific American(五)月

By Zulima Palacio Austin, Texas 20 January 2006 watch Suspension report Electric suspensions offers more stabilility One day, exhausting car rides over bumpy terrain, with all the dangers and damaging

发表于:2019-01-13 / 阅读(351) / 评论(0) 分类 2006年VOA标准英语(一月)

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(316) / 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(368) / 评论(0) 分类 英语新闻

One by one the cryonic systems shut down. One by one the people returned to life, among them Victor Kemmings. What amazed him was the lack of a sense of the passage of time. He had entered the chamber, lain down, had felt the membrane cover him and t

发表于:2019-02-16 / 阅读(269) / 评论(0) 分类 英文短篇小说

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(251) / 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(257) / 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(326) / 评论(0) 分类 柯南脱口秀
学英语单词
accession obligation
acute pelvic inflammatory disease
aid decision making
ameboid glioma
antifouling agent
as if there were no tomorrow
automatic white level
baranof
Beemerville
behavior log
bottom-dweller
capacitance measurement
capital movements
Celmide
channel diagnostics
clavulanic acid
collie
commercial ballet
commodities in short supply
copy device
corsal lubricating oil
cubic convergence
Cynanchum canescens
decarboxyloation
Digital World Wide Standard Seismograph Network
direct view image
discommodious
drainage tester
dune fixation
East Freugh
eigenvalues
ellner
eloe
external band clutch
flagellate epithelium
flagposts
frog's lettuce
fungating ulcer
gentlemanliness
ground-wire gradient
group delay time
handling procedure
homing tree
hydraulic transmission gear box
hyometer
ideotype
indirect selection
insurance against old age and invalidity
jigger dyeing
language summary
leaman
leased-line
Lesch-Nyhan(syndrome)
livor mortis
long-head coneflower
lyoniolC
margaret leech
marginal disutility of labor
marzano
mercifulness
muniting
na-way
natural frequency of a foundation
non-terminal-related main storage data base
number eights
oberea komiyai
odermatt
Opera Mini
oryza sativa l. ssp. hsien ting
piemonte (piedmont)
piezo electric effect
Pregl's solution
pressure compensation bottle
price quotations
primary grouping
pseudopoliomyelitis
pulsed dielectric laser
quasi-monopolar
real-to-random ratio
repayeth
resurfacer
Ridacbe
Rings of Neptune
sanchaku
sea cows
self unloader
set up a machine
specie point
stable beach
start against sb
start down
super-absorbent
tapot spout ladle
tentative closing of account
to build
tringa macularia
upper contact
war-wracked
wave-type disturbance
wick feeder
x-patterns