分级顺序;层次顺序

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(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(230) / 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(174) / 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(163) / 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(217) / 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(256) / 评论(0) 分类 数学英语

中文 英文 缩写 分发表 Distribution List DL 分发接口 distribution interface 分发型业务 distribution service 分割振铃 split ringing 分机 extended station/extension 分机号 exte

发表于:2019-01-03 / 阅读(125) / 评论(0) 分类 电信英语

Half Duplex Half duplex is a transmission path capable of transmitting signals in both directions, but only in one direction at a time. HDLC high-level data link control Header The header is control i

发表于:2019-01-03 / 阅读(204) / 评论(0) 分类 电信英语

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(179) / 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

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(135) / 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(186) / 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(142) / 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(126) / 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(171) / 评论(0) 分类 柯南脱口秀

国务院总理李克强9月1日主持召开国务院常务会议。会议指出,建立分级诊疗制度(hierarchical medical system),是深化医改的重要举措,有利于促进优质医疗资源下沉,推进基本医疗卫生服务均等化

发表于:2019-02-25 / 阅读(138) / 评论(0) 分类 英文语法词汇
学英语单词
5'-monodeiodinase
absorbancye
aerovironment
agricultural loader
altitude of apogee
angelns
autecologies
be at the highest notch
bell lever
bilinearly
blast neurosis
brigada
brontophobia
chuuch
clerkly
co-transfected
comeasurable
covariant of a curve
crew neckline
Crotalaria acicularis
danger range
distant synchronization
dowel plate
Edronax
etaloning
expense against revenue
extended magnetic field
eyrie
fair market values
fibrous braiding
flubdub and guff
frequency collapse
geoworks
ginned cotton?
glazed balustrade
Gley's glands
green ginger
hair-and-makeup
hair-scalp
horizontal bracket
horizontal sight
impeller-diffuser clearance
in hock
infantile cholera
input load
insurance proceeds
jet engine modulation effect
language extendibility
latent dream
lekotas
lifo inventory layer
loti
marc
meat fly
metal-powder press
meteorological
minginish
Monadelphic
Nephin
nickelize
non insulation brush
nonweak
North Charleston
novendenary
numerical database
over-strain
parecan
phenetidinuria
photonicss
pie-in-the-skyer
Pillsbury, Lake
pilotless aircraft
pipelined CPU
power car
principle of sound accounting
psilanthropy
pure psychology
quasi-elliptic function
ramming tactics
rated steam inlet pressure
reflips
republics of honduras
rotor displacement angle
round-body packing ring
scholasticss
shore line
smart router
smirr
sodium para-diphenylaminoazobenzene sulfonate
sound shop
sovkhozes
strigulate
sunbleach
Taraxacum tibetanum
transfer oil pump
transfer-case idle shaft
transtentorial
uce
vertical shaping machine
vertical sparring
voluble shrub
xenomelia