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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(383) / 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(153) / 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(172) / 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(98) / 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(106) / 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(106) / 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(114) / 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(50) / 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(140) / 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(45) / 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(95) / 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(185) / 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(101) / 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(102) / 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(69) / 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(106) / 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(49) / 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(76) / 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(61) / 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(65) / 评论(0) 分类 柯南脱口秀
学英语单词
absconder
adverseexchange
alternating current charging
amorphous aconitine
anisozygote
aperture number
Aspaxa
avoidance problem
bacteridia
brevibacterial
broman
bundesverfassungsgericht
caramanico terme
cavernlike
CBPZ
cephal(o)-
Chuayffet
Clematis chingii
CO-tolerance
cod-end indicator
collegiata
combined calculus
common digitizer
congregatest
craymer
current insurance
doubly chained technique
energy utilization
enzian
enzyme immobilization
Euphorbia splendens
ficklety
fiddle-playing
fish pier
forming twister
front case
gabriola
genus Eryngium
glias
hand-tooled
hemolymphadenosis
high jumpers
hillebrand
Hitchcott
ICEDEFOR
intestinal offal
intrinsic defect
kernel stiffiness matrix
lamp-holder
Linxiang Formation
loius
long hand shovel
Mareh
market researchers
material experiment
missile anti-radar and television (martel)
moment of force about an axis
more particulars required
Mosheim, Johann Lorenz von
motion recorder
Negro's phenomenon
nephropyelography
nigrescent
nitrogenous silicone rubber
Noroxin
odorousness
opisthognathism
order up
out of contact
oxtants
palco
perfemane (c.i.p.w.)
pici
play a key role in
polymer coagulant
pro-government
processed cheese spread
psychoda pellucida
rasse
reconsecration
reorientation
retraction of head
roof box
roundabout chair
rule based program
Savalia
Sawariwalnawa
serinesulph-hydrase
shallow end
solvent selectivity
Spanish box
staphograph
stylized font
sussultatory
sylvains
temperate-westerlies index
Tigurine
top mat
two-stage light gas gun
Vaccinium craspedotum
variable-frequency trigger generator
vertical flux profile