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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(401) / 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(177) / 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(211) / 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(123) / 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(128) / 评论(0) 分类 数学英语

Broadcast: Jan 15, 2003 By Jerilyn Watson This is the VOA Special English Health Report. Many millions of people around the world suffer from problems of the small intestine. Bleeding from abnormal gr

发表于:2018-12-07 / 阅读(135) / 评论(0) 分类 VOA2003(上)-健康资讯

[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(139) / 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(68) / 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(175) / 评论(0) 分类 Scientific American(十)月

Have you ever bought a new electronic device, or tried a new activity, and then dropped it because you were sure you couldnt possibly master it? Well, dont give up so quickly. Researchers performed six experiments that involved subjects trying out ne

发表于:2018-12-24 / 阅读(67) / 评论(0) 分类 Scientific American(七)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(117) / 评论(0) 分类 2014年ESL之商务英语

People initially expect to learn a new skill easily, then become overly pessimistic when reality sets in. Have you ever bought a new electronic device, or tried a new activity, and then dropped it because you were sure you couldnt possibly master it?

发表于:2019-01-02 / 阅读(93) / 评论(0) 分类 60秒科学

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(209) / 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(133) / 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(128) / 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(99) / 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(135) / 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(106) / 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(81) / 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(104) / 评论(0) 分类 柯南脱口秀
学英语单词
accelerated stress test
Anona L.
anti-rust paper
Antothite
aotter's test
Apollo's belt
apple pears
Ban Yang Yong
be distal to...
berelson
bhalla
biquinary scale
blame for
bovaryze
Brook I.
cam for gear tooth chamfering
Caulonia
chlorophyllases
coke quenching machine
cold-drawn steel
composition relation
conical bore
Crooke's granules
Daphne pedunculata
do ... duty
echolux effect
ersofermin
evolver
f. c.
family Caricaceae
femetary
foundation marine economics
free water elevation
front lighting
gerontophobic
gloaters
gobstink
granja
Hedysarum dentatoalatum
high-angled
hole model
i-robbed
ideal shock pulse
IMSU
inapposites
isochronous modulation
Jari River
kemaliye (egin)
kolat
lightning gap
limitation of sanction
limited by shares
magister
make his mark
make up
material balance sheet
maximum bandwidth
megalokaryocyte
megatheroids
mid-contour
needle damage
once-in-a-while
optical technology
outlay curve
paintjet
pantible
parastichy
pass through the mill
pellitories-of-spain
pes lemnisci
plain self aligning bearing
preachee
Provencial
QSY
quantity check
reciprocation scavenge pump
resumption of one's duties
ribbon reef
rigger's horn
roentgenography of vertebral canal
Sangsol-li
sastra
scrambler line
self-financing ratio
Seongnam
simple defining
Socket370
sputum smear
Suzzara
synthetic sake
synthetic silicoaluminate
tensor product code
tilt to
tippu sultan
to speak the truth
travel agency
ultrahard coating
Umm Kuway'
united negro college fund
unsharred
Ushba, Mt'a
Vierzon-Village