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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(585) / 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(396) / 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(407) / 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(270) / 评论(0) 分类 Scientific American(十二)月

A True Story Repeated Word for Word as I Heard ItIt was summer time, and twilight. We were sitting on the porch of the farm-house, on the summit of the hill, and Aunt Rachel was sitting respectfully below our level, on the steps, for she was our serv

发表于:2018-12-06 / 阅读(336) / 评论(0) 分类 马克吐温最佳短篇小说

by Jason Marshall In past articles weve talked at length about three of the big four traditional processes used in basic arithmetic: addition (see also How to Add Quickly), subtraction, and division. However, for one reason or another, we havent yet

发表于:2018-12-07 / 阅读(221) / 评论(0) 分类 数学英语

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(297) / 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(282) / 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(215) / 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(341) / 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(270) / 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(363) / 评论(0) 分类 数学英语

Someone told me long ago There's a calm before the storm, I know; It's been comin' for some time. When it's over, so they say, It'll rain a sunny day, I know; Shinin' down like water. CHORUS: I want t

发表于:2019-01-06 / 阅读(209) / 评论(0) 分类 100首英语歌

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(322) / 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(288) / 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(268) / 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(322) / 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(217) / 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(211) / 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(284) / 评论(0) 分类 柯南脱口秀
学英语单词
ACANTHIZIDAE
active satellite defense
allowable maximum spacing between movable supports
annuity in reversion
appotosis
approach viaduct
atka i.
Bagdogra
bank error
Belorussite
between-meal
blood cardioplegia
board chairman
Calystegia pubescens
casefied
cecidophyes thailandica
chowlines
comedia
connected sequence
cooling dehydration
copper coated iron powder
croftons
Cueza, R.
delysia
detail and assembly
DIMINAL
doublehand
drinkable water
dual channel type
dynamic bus-sizing
euphemious
failed areas
fibrous degeneration
flame-gouging
fore-draught figures
half brick partition
herpin
high-frequency antenna
human error failure
hypermonotectic
in-line force
indentation load
individual pen
inferrers
intermediate altitude communication satellite
island of Guernsey
it is no surprise that
korpi
La Venta, R.
larger sublingual duct
let something down
ling rupture
loop antenna
Malcolm Sargent
mangole
marshmallows
molecular models
multielectron transfer
multilayer tablet
multistation information display
nature-versus-nurture
nerflings
ngare
nonstops
Nsuta
OH-
orbitomy
permillage
photoacclimate
proctodeums
profit per ton flour
prototype tests
rabbinate
railroad wharf
recording car
red quebracho
religious sect
replacement clause
rewind tank
scrape-trencher
shower scum
simple binary from
soapless
sphenotripsy
subsoil layer
sweet water pump
sydnone
syndrome of yin deficiency and dampness-heat
Terpsiphone corvina
tfg
theocratism
Thrombinum
time antithesis
tindaria soyoae
tischlers
Toyokawa
transposition system
uniform efficiency
utility enterprise
vibro-compacted
vittore
went into