历史顺序

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(405) / 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(185) / 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(222) / 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(130) / 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(134) / 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(142) / 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(73) / 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(179) / 评论(0) 分类 Scientific American(十)月

Major Historical Periods Livy: Tell me again why were here on a Saturday afternoon. Nicholas: Youre going to love this museum. It has artifacts and exhibits from all the major periods in history, from prehistoric days to the present. Livy: Hmm, fasci

发表于:2018-12-27 / 阅读(113) / 评论(0) 分类 2015年ESL之日常生活

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(126) / 评论(0) 分类 2014年ESL之商务英语

20 The Historical Significance of American Revolution The ways of history are so intricate and the motivations of human actions so complex that it is always hazardous to attempt to represent events covering a number of years, a multiplicity of person

发表于:2019-01-02 / 阅读(431) / 评论(0) 分类 英语范文背诵20篇

Grammar Girl here. Todays topic is the difference between the words historic and historical. A listener, Denise, wants to know if she should say, We sell historic replicas or We sell historical replicas. Was an event a historic occasion or was it a h

发表于:2019-01-02 / 阅读(107) / 评论(0) 分类 英语语法 Grammar Girl

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(214) / 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(141) / 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(137) / 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(102) / 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(141) / 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(112) / 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(84) / 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(114) / 评论(0) 分类 柯南脱口秀
学英语单词
accessibleness
Ainsliaea
air-cooled type
algophobic
allopolyploid speciation
Anderlues
anti-siphon trap
architectural characteristics
ascochyta pisi libert
at this point in time
Babelian
banjo mandolins
Bedias
bien-pensants
bleeding pressure of roots
Bolboschoenus
boogie board
brouhahas
Burynshyk
busting it
casiano
Chiromo
chordacentra
cloquet r.
coarse moduli space
community relations
concrete setting
conidial stage
containment boundary material
croyce
damping transformer
Darzen's reaction
Debt is the worst poverty.
DEN-1
digitally controlled local oscillator
dihalides
external losses
F7
fibromyomata
film store
first aid kits
floating terminal
foul air pipe
full bar
gikiyami
global extent
glow-discharge voltage regulator tube
Hatfield Broad Oak
hemiblocks
high voltage connection
household refrigerator
immotilities
in-house magazine
iron spike
isotopic hydrology
large transport airplane
latinamerica
laundermat
Lemoine hexagons
lower beacon light
mentioned
micro-alloyed steel
morinamide
moving-image camera picture
my uncle on my mother's side
narrow energy gap material
no-colours
nonketotic hyperosmolar coma
O,O-diethylthiophosphoryl chloride
omphalomesenteric duct anomalies
outstanding and trading margin
Pacific Seaboard
palaeoclimatologic
pediferous segment
pityrogrammas
pressure test,strength test
Progressive Era
pseudopores
quinoquinazolone
ringing waveform
roof-angle prism
sbeitla
sheet slab
signal multiplexing unit
slob up
spike pullout fore
sq.m.
srikrishna
suink
swizs
thin film solid-state image sensor
Tricholoma flavovirens
trigger-gate
tunnel location
twin machine gun
unofficiality
valerian families
verbal fluency
verifying
wet rag
wherenot
Xanthoperol