[计] 单元素序列

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(437) / 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(217) / 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(271) / 评论(0) 分类 决胜六级英语听力

The US President Barack Obama is meeting with congressional leaders in a bid to prevent the country from going over the so-called fiscal cliff. Republicans and Democrats have just four days to reach an agreement in a bid to prevent massive tax rises

发表于:2018-12-02 / 阅读(254) / 评论(0) 分类 澳洲ABC新闻快递2012年

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(160) / 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(155) / 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(168) / 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(97) / 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(201) / 评论(0) 分类 Scientific American(十)月

01. Being a 3S lady is like drowning, a really delightful sensation after you cease to struggle. 当一个剩女,好比溺水而亡。到了停止挣扎之后,就会有那真正快乐的感觉了。 02. I hope I meet somebody I want to marry soon

发表于:2018-12-25 / 阅读(123) / 评论(0) 分类 英语口语最炫潮流

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(151) / 评论(0) 分类 2014年ESL之商务英语

Bridget Jones, the UK's most famous singleton. Image: Imagenet Neil: Hello, welcome to Real English from BBC Learning English, I'm Neil. Lily: And I'm Lily. 大家好,我是杨莉! Neil: In Real English we look at words and phrases that you might not fin

发表于:2019-01-02 / 阅读(104) / 评论(0) 分类 地道英语在线听

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(243) / 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(169) / 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(166) / 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(127) / 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(172) / 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(134) / 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(110) / 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(158) / 评论(0) 分类 柯南脱口秀
学英语单词
A. C. L.
ac (air-cooled)
Achnatherum caragana
amp it up
antispectroscopic
aortic sinus aneurysm
areas of control
arm to
Arthur Fiedler
Bard of Avon
baymouths
bejewelling
blastosphere
bogie wheel gudgeon pin
bon-ballast track
bou arfa (bouarfa)
bulb fitting
by effect
carrolls
centre of force
Chans.
Chaucer, Geoffrey
common carline thistles
configurable
control circuits
crinky
cyclic acetal
dictionnaires
dry resistance
duty cycle capacity
edith cavells
emergency floatation gear
exsilient
extra long-range weather forecast
eyasmusket
fibre scintillator
filseclab
flash point
foochounus sulcatus
forward forward swap
from whose bourn e no traveller returns
gobbler
heterodyne circuit
isoiridogermanal
jacksonian spilepsy
Janggala
jia xian triangle
Katanga, Prov.du
ladies'-eardrops
Le Biot
linear development
logarithmic dose
maytansanoid
micrographically
milk pan
modern conveniences
Morro do Coco
n-address instruction
ne're-do-well
nitrapyrin
no mug
nonapology apology
nonindulgent
nonoceanic
north america nebula
northmen
oboe d'amour
palabras
Pantonlabu
Parkinsonia florida
pecvd
Penstemon newberryi
percussor
perithecigerous
picture analysis
plunger diameter
postvocalically
principle of entropy production
probabilistic parameter
Puccinia oenanthes-stoloniferae
reservoir regulation computation for irrigation
reticulate acropigmentation of kitamura
self-adjusting arc welding
semidiurnal force
Sfa, Col de
ship's boat
single graft
sloughiness
spare receptor
spot quotation
stress corrosion cracking fracture
swartest
sx-e
tax and spend
the gate of ivory
traveling wave laser amplifier (twla)
trigging
turbidity screen
turn off
visual meteor
war stories
Welcome aboard.