起始转移序列

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(451) / 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(234) / 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(287) / 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(179) / 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(165) / 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(175) / 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(117) / 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(219) / 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(165) / 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(258) / 评论(0) 分类 数学英语

Choosing a college or university in the United States is not an exact science. It can be hard to know if you have made the right decision, no matter what school you attend. You might think you like the qualities of a school that accepts you, especial

发表于:2019-01-03 / 阅读(192) / 评论(0) 分类 2018年VOA慢速英语(八)月

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(184) / 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(176) / 评论(0) 分类 Scientific American(五)月

由于传统的英语教学里面不涉及小作文的内容,所以雅思写作的小作文部分一直是很多同学的软肋。不会说名称,不知如何分析对比,即使有思路却不知如何表达,成为很多同学的问题。下面

发表于:2019-01-18 / 阅读(186) / 评论(0) 分类 雅思英语

He was watching a TV talk show. The talk show host introduced a guest. The two men warmly hugged each other. Vance asked his wife, Since when did men start doing that? She asked, Doing what? He said, Hugging. Since when did men start hugging each oth

发表于:2019-01-22 / 阅读(142) / 评论(0) 分类 英文短篇故事(纽约)

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(137) / 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(190) / 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(146) / 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(130) / 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(172) / 评论(0) 分类 柯南脱口秀
学英语单词
a trick of trade
acenes
Agulhas, C.
AIDSLINE
alimentaries
Amundsen Ridges
anaphylatic hypersensitivity
antiskid device
antitank missile
ariana
arsenopyrites
azimut
barium chlorate
bat the brains out of someone
best-fitting combination of variables
brooksville
bruceatarin
brucker
bullyon
capstan spindle
charmwork
chinese pond heron
chorioallantoic membrane
codeterminant
counterless
crack-tryst
cvi
cyagra
cylindrical irradiator
depart out of this world
distichophyllum maibarae besch.
double-disk turbine rotor
dried-food
elenchus
Epipactis royleana
Falavārjān
feastly
final-period management
flating crane
font metric
friction gear
fuse cut out
gainturn
gangliness
geonavigation
Guugu Yimidhirr
Haut, Isle au
head-turned eyellipse
hot-wire technique
Hotolishti
indirect absolute addressing
intermediate distributing
introverted personality
it's not funny
Kalevalan
kefir koumiss
kenotoxin
lap butted
leak-before-break criterion
mounting of grating
muskets
Nastenon
natural sciences
nickelize
non-elastic analysis
non-standard speech
oklahomans
once-unthinkable
one-firm
parties liable on a bill of exchange
picture synchronizing signal
pie waggon
pin-wheel
plane bearing
polydesoxyribo-
pre-read head
property selective detector
protoclastic
pulmonary mycoplasmosis
RealMagic
rebound in prices
rehang
rolling stock and rolling stock accessories
ryu
San Alberto, I.
sarybay
snacklike
sounding platform
sprays
standard lining
stranger's gallery
suckin'
symbolic machine instruction
symmelia
Tammisaari
the Bushveld
thermopiles
thyroid scintillation detector
trading day adjustment
tulkarem
uredo oplismeni-undulatifolii
value of each contribution