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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(549) / 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(338) / 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(379) / 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(237) / 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(240) / 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(239) / 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(169) / 评论(0) 分类 医务英语

Hire Your Cat as Your Personal Trainer By Jean Anne Forsythe / Cat Fancy, September 2004 Why pay for a personal trainer? Just copy your cat’s movements. If you want to be in shape, learn from your c

发表于:2018-12-19 / 阅读(174) / 评论(0) 分类 彭蒙惠英语

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(294) / 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(230) / 评论(0) 分类 2014年ESL之商务英语

[00:00.00]4 And what do you do,David? [00:05.25]I'm a dolphin trainer. [00:07.16]Really? [00:08.50]Yes.I work at a zoo. [00:11.26]You know,in the dolphin show. [00:13.77]And how long have you been a dolphin trainer? [00:17.76]Oh,not very long. [00:20

发表于:2018-12-29 / 阅读(250) / 评论(0) 分类 北师大版初中英语八年级下

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(321) / 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(266) / 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(251) / 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(198) / 评论(0) 分类 阅读空间

今天我们要学的词是 personal trainer. Personal is spelled p-e-r-s-o-n-a-l, and trainer is spelled t-r-a-i-n-e-r, personal trainer. Personal trainer 私人教练。随着人们健康意识的加强,Personal trainers have become one of the fa

发表于:2019-02-05 / 阅读(167) / 评论(0) 分类 英语单词荟萃

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(266) / 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(192) / 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(176) / 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(251) / 评论(0) 分类 柯南脱口秀
学英语单词
a-scope
adjustment of exchange rate
air pollution forecasting
Air Velocity Meters
alcohol group
Allergex
amphiphysin
array aggregate
autocapacity coupling
axial flow compressor
bear-claw
brazing-filler
brunton pocket compass
BrWg
by pass condenser
Chashmeh-ye Palasi
chylifactory
confirmed and irrevocable credit
contramand
cosmognosis
coyoacan
deep hatch coaming
direct transit area
downhilling
drive drum
Emodinmonomethylether
enstaff
epicene person
ethyl radicals
eucrassatella adamsi
expand mandrel
facilities
failure isolation
fast application of suffix tree
fiber flax
filling tube
first-language
g-w
gamete intrafallopian transfer
go through proper channels
grinding center
ground truth data
hazy picture
intermittence time
internal combustion power station
Kamerlingh-Onnes equation
kanamaruza (japan)
keeperships
keggers
laser transmission
lekachman
lisofylline
manned spacecraft center
metallic mirror
metallometallations
mountebankism
multiple-drill head
multiple-unit controller
naha cities
nesodine
neutral density filter
niveus
nodulize
nonbirational
noncheating
oxalis pes-capraes
permanent delay
piston meter
polyvinyl chloride sheet
press specification
program data independence
publicuss
quasi propulsive efficiency
radiological accident
read after me
Saussurea dzeurensis
Saydy
secondary hypersplenism
selenium yeast
Serrig
short journey
short section
short-wave radiation
small purple fringeorchis
snail's-pace
strudes
subjectmatters
suhn
superteacher
taquitos
theocin
threelevel
transmission polarizer
ulvi
undergoing legal procedure
unloaded antenna
vapor-lock
Wien-bridge oscilator
willow tree
wire chaining
withold
xiao'er huichun mini-pills