氮素释放

(所发资料 30 页) 2. As is known, light much faster than sound. A. traveled B. travels C. is traveling D. has traveled 3. The teacher told the students that the earth around the sun. A. went B

发表于:2018-12-01 / 阅读(252) / 评论(0) 分类 自考英语(一)78讲

初级英语听力(新版) Lesson17 What's the postage on these letters to Thailand, please? I'll have to check. Do you need anything else? Yes. A three pence stamp, please. That'll be eighty-five pence in all. I wish you wouldn't have your TV so lou

发表于:2018-12-01 / 阅读(245) / 评论(0) 分类 初级英语听力新版

You probably already know everything is made up of little tiny things called atoms 你也许已经知道所有的东西都是由微小的原子组成。 You might even know that each atom is made up of even smaller particles called protons, neutrons

发表于:2018-12-08 / 阅读(144) / 评论(0) 分类 TED演讲教育篇

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. The Chesapeake Bay could get helped by a new antipollution expert: farmed oysters. For decades, the Chesapeake has been plagued by excess nutrients, such

发表于:2018-12-24 / 阅读(168) / 评论(0) 分类 Scientific American(一)月

AGRICULTURE REPORT - Bird Flu: Composting the Remains of Farm BirdsBy Mario Ritter Broadcast: Tuesday, February 28, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. Farmers usuall

发表于:2019-01-02 / 阅读(137) / 评论(0) 分类 2006年慢速英语(二)月

AGRICULTURE REPORT - Legumes: Good for People and SoilBy Bob Bowen Broadcast: Tuesday, February 21, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. Many different kinds of plants

发表于:2019-01-02 / 阅读(144) / 评论(0) 分类 2006年慢速英语(二)月

Broadcast: June 4, 2003 By Paul Thompson VOICE ONE: This is Ray Freeman. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today, we tell about how astronauts prepa

发表于:2019-01-02 / 阅读(254) / 评论(0) 分类 VOA2003(上)-科技导航

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor

发表于:2019-01-08 / 阅读(239) / 评论(0) 分类 Scientific American(九)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. If youve ever wondered where the Earth came from, the answer, it seems, is blowin in the windthe solar wind. Or so say scientists who, after examining sola

发表于:2019-01-08 / 阅读(197) / 评论(0) 分类 Scientific American(七)月

英语最基本的语序是主语在前,谓语动词在后。但有时由于句子结构的需要或表示强调,就要采用倒装形式。将谓语动词完全移到主语之前称为完全倒装,只将助动词或情态动词放到主语之前

发表于:2019-01-09 / 阅读(144) / 评论(0) 分类 英文语法词汇

This is the VOA Special English Agriculture Report. Sorghum farmers in eastern Uganda, working with scientists, have tested some lower-cost ways to improve their soil. Little rain and poor soil fertility are problems in that area, as in other parts

发表于:2019-01-11 / 阅读(171) / 评论(0) 分类 VOA慢速英语2007年(六)月

Fukushima Plant Operator: Nitrogen Pumping Operation Going Well A plan to inject nitrogen into the containment vessel around reactor 1 at the Fukushima Daiichi power plant appears to be working, the plant owner said Thursday. Higher pressure levels h

发表于:2019-01-14 / 阅读(164) / 评论(0) 分类 VOA标准英语2011年(四月)

Libya Declares Liberation From 42-Year Gadhafi Rule Libya's transitional leaders on Sunday declared their eight-month revolution over, after the fall of the last strongholds of the former government and the death of former leader, Moammar Gadhafi. Ju

发表于:2019-01-14 / 阅读(153) / 评论(0) 分类 VOA标准英语2011年(十月)

托福考试(TOEFL)是国际上最有影响力,使用最广泛的的英语水平测试之一。托福除了作为美国主流学校入学所需的标准化考试,申请签证和工作的过程中也会有需要托福成绩的机会,所以不少

发表于:2019-01-18 / 阅读(161) / 评论(0) 分类 托福英语

The geology of the planet 地球的地质情况 Welcome to the Anthropocene 欢迎来到人类纪 Humans have changed the way the world works. Now they have to change the way they think about it, too 人类改变了世界运行方式,现在,人类不

发表于:2019-01-26 / 阅读(201) / 评论(0) 分类 经济学人综合

AGRICULTURE REPORT — November 26, 2002: Corn, Part 1 By Mario Ritter This is the VOA Special English Agriculture Report. Corn is an important crop in many parts of the world. However, some people ar

发表于:2019-01-30 / 阅读(186) / 评论(0) 分类 农业与发展

GRE阅读复备考之类比思维。考生在做gre阅读复习过程中也可以运用类比的思维解题。在GRE阅读中绝对不少见,也就是常说的类比题。主要说下述哪一选项所述现象和原文第N行的说法比较相像

发表于:2019-02-17 / 阅读(154) / 评论(0) 分类 GRE英语

1.Above all:最重要的是,most important of all Above all, theyll have to discover how much nitrogen it possesses since nitrogen is4/5 of the air breathe.(2002-1) 2.Account for:解释。说明 How do you account for the truth? 3.After

发表于:2019-02-18 / 阅读(118) / 评论(0) 分类 大学四六级阅读

双重领导制度 system of dual leadership 大生产运动 large scale production campaign 革命军人委员会 revolutionary armymen s committee 新式整军运动 new type of ideological education movement in the Liberation Army 官兵一致 uni

发表于:2019-02-18 / 阅读(169) / 评论(0) 分类 实用英语

All you dreamers So far you haven't worked it out And you believers So far away from heaven All you mothers You think you know what everything's about You keep banging on And getting it all wrong Uh oh It's a beautiful day To wake up with nothing to

发表于:2019-03-11 / 阅读(236) / 评论(0) 分类 音乐咖啡厅
学英语单词
Asculum
astroballistic
astrophysically
AVRU
azamethonium bromide
Back together
bi-flow filtration
binary product generator
car camera
Chauses
chemical water
chloragogen cell
chorography
Christchurch Bay
clevis type U
coffeepak
deals with
deprovincialization
diffidency
diffraction symmetry
dimegan
Discovery Sound
dortours
ductus hypobranchialis
ectromelus
elastic restraint coefficient
elecrical supply track system for luminaires
enshadow
error-dependency
experimental-model
fennics
fuseboxes
gallicises
gastrosopher
Geropotamos
grain store
icajine
interrogative-points
intertill
intraspecifically
invoice date
Karwar
keadilan
Khūrāb
Kǔmya
law of economic contracts
lead ... on
liberalizer
localizationism
low water rock
magnetic dipole field
magnetohydrostatic
megaplate
megasporoporia cavernulosa
merseys
mill surface
nonsurveyed
observed joint frequency
one writing system
orchidist
overbrowse
Phyllobius
preamps
pride-weed
puljic
punica granatum var.flavescens sweet
reacidified
reference illuminant
relational instruction
rushforth
scene dock
secondary standard reference surface
seminationsowing
settle into sth
snudged
sprangle
staircase curve
start with a clean sheet
stegosaurids
stock position
Stolzfus
swelling behaviour index
Sympamine
the odd
thin-film circuitry
total amount index
trickle impregnating
turret lens
twin-pentode multivibrator
uncleanly
upper tank air
vaccarage
vacha
vernier potentiometer
vertical casting
voter registration card
war hawks
water rate (wr)
weighted mean
Windows Connect Now
zero-test