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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(871) / 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(641) / 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(704) / 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(506) / 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(589) / 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(516) / 评论(0) 分类 河北教育初中英语(初中起点)八年级上

A: Heres a letter for you. B: Let me see it. A: Whos the letter from? B: Its a letter from UCLA about my acceptance. A: Read it! B: UCLA accepted me! A: Really? B: Im not joking. I got accepted! A: Im so happy for you! B: UCLA was my second choice, b

发表于:2018-12-12 / 阅读(406) / 评论(0) 分类 大学英语对话

发表于:2018-12-12 / 阅读(446) / 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(669) / 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(477) / 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(707) / 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(617) / 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(557) / 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(568) / 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(580) / 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(474) / 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(491) / 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(549) / 评论(0) 分类 柯南脱口秀

A: You got a letter in the mail. B: Give it to me. A: What is it? B: It's my acceptance letter from UCLA. A: What does it say? B: I've been accepted! A: Are you serious? B: I'm serious. A: Good for you! B: NYU was my first choice, but UCLA is just fi

发表于:2019-02-27 / 阅读(573) / 评论(0) 分类 转学-Transferring to a Universit

A: You got a letter in the mail. B: Give it to me. A: What is it? B: It's from NYU. A: What does it say? B: I didn't get accepted. A: You can't be serious! B: I'm serious. A: Are you all right? B: NYU was my first choice. A: I'm sorry that you didn't

发表于:2019-02-27 / 阅读(750) / 评论(0) 分类 转学-Transferring to a Universit
学英语单词
acetone-diacetic acid
acre breadths
admission by placement
agricultural processing waste
ambient noise side tone
analytical framework
arched roof
argininuria
battle staff
beete
best pattern
bivariate Pascal distribution
body heat loss
bounded above
Brassell
capital reserve
Carnbee
Caynabo
centesimal grade
chammish
ciliated epithelium
CuteZIP
cyllum
Donar
doppelzentners
economic expansion incentive
eight-level paper tape
emergency conference
end-point control problem
escapement plate
exception class
fine pitch automatic crown gear hobbing machine
former rib
forstormed
frequency analysis(seismic wave)
fuzzy number addition
gasahols
gogos
graft onto
half-oval controller
handhole cover
Hands off
high-handed
in-liner
informational content
interlard with
La. A.
Lajes do Pico
lever-loaded safety valve
light-chain immunoglobulin
Lombard School
long corners
long-run relative frequency
louis-dreyfus
low pressure line
main steam turbine set
management of staff and workers
megaselerophyll
Mexican fruitfly
mixed arbitral tribunal
molecular object
multiposition control
neutron-activation analysis
next in line for
oil recess
open arc furnace
Ovshinsky glass semiconductor
partly finished goods
Patrick, Mt.
perfect optics
ploughed through
protection layer
put someone in
red-sensitive photoemissive tube
refractory glass
reminiscion
rib periosteal raspatory
rolling recorder
rupture of tendon of brachial biceps
sampling spoon
slippe
slivinski
special clothing
spermatocelectomy
static SP
subdrain
Subsidiary Signs
subsurface drainage
Suplical
telemechanic
threw up
to pee
to the manor born
touched down
transing
transistor a c load line
user port
viewplate
waos
Wieringermeer Polder
winoxes
writings on the wall