[电] 空虚层整流

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:05.80]1998 Passage3 [00:08.62]Science has long had an uneasy relationship [00:11.94]with other aspects of culture. [00:14.56]Think of Gallileo's 17th-century trial for his rebelling belief [00

发表于:2018-12-01 / 阅读(321) / 评论(0) 分类 历年考研英语阅读理解

Section A [00:01.78]1. M: Excuse me,but I didn't hear clearly what you said. [00:07.92]Did you say that we did not have to hand in our exam papers? [00:11.83]W: No, I said that my teaching assistant would collect the papers while I'll grade them myse

发表于:2018-12-01 / 阅读(184) / 评论(0) 分类 决胜六级英语听力

I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea

发表于:2018-12-04 / 阅读(113) / 评论(0) 分类 听一分钟英文-O

Kansas Farmers Work to Prevent Depletion of Ogallala Aquifer 堪萨斯农场主努力保护蓄水层 COLBY, KANSAS The Ogallala Aquifer is a large underground water resource that sits below parts of seven U.S. states in the Midwest. The aquifer is us

发表于:2018-12-16 / 阅读(74) / 评论(0) 分类 VOA标准英语2014年(三月)

There is a special day to recognize the importance of the ozone layer. In 1995, the United Nations General Assembly decided September 16th is the International Day for the Preservation of the Ozone Layer. This is the date on which countries signed th

发表于:2018-12-29 / 阅读(142) / 评论(0) 分类 英语课程学习计划和讲义

Sunscreened Plants 遮光植物 A NASA researcher is finding that alfalfa plants grow more poorly when exposed to UVB -- ultraviolet B radiation from the sun. Learn more about sunscreened plants -- today on Earth and Sky. JB: This is Earth and Sky. Eart

发表于:2019-01-02 / 阅读(152) / 评论(0) 分类 (科普英语)Earth and Sky

Moon and Venus月球和金星 The planet Venus is now low in the west after sunset. It's not up for long after the sun goes down, but it's very, very bright. Learn how to see Venus tonight near Earth's companion moon -- today on Earth and Sky. JB: This i

发表于:2019-01-02 / 阅读(153) / 评论(0) 分类 (科普英语)Earth and Sky

Section 30 Climate Change El Nino, which is not an English name, is playing an important part in our lives. We often hear people talk about the strange weather we are having nowadays. The changing wea

发表于:2019-01-02 / 阅读(110) / 评论(0) 分类 英语导读1000句

Earth's Ozone Layer Shows Signs of Recovery 地球臭氧层出现恢复迹象 The new report says the Earths ozone layer is showing signs of recovery. Ozone is a form of oxygen. It is found in the air we breathe and in Earth's atmosphere. The ozone l

发表于:2019-01-12 / 阅读(80) / 评论(0) 分类 2014年VOA慢速英语(九)月

I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea

发表于:2019-01-21 / 阅读(111) / 评论(0) 分类 纯正英语一分钟

rabbit n. 兔子 解析:hare n.野兔 rack n. 行李架 v. 使痛苦 racket n. 球拍 radar n. 雷达 解析:联系记忆:radiate v. 放射 radio n. 收音机 radioactive a.放射性的 radiatio

发表于:2019-02-03 / 阅读(78) / 评论(0) 分类 英文语法词汇

Ozone layer(臭氧层) 'is no longer disappearing and will return to full strength by 2048', says UN report. The ozone layer is no longer disappearing and could be back to full strength by the middle of this century, UN scientists have confirmed(

发表于:2019-02-07 / 阅读(63) / 评论(0) 分类 英语新闻

The EarthOur Mother Pcople often say that the earth is like our mother. She gives life to all the living things on the earth and provides us with air, food, water and other essential things we need for living. Once she was beautifhl and rich, but no

发表于:2019-02-08 / 阅读(55) / 评论(0) 分类 英语作文

There is nothing unusual about energy like coals and oils being consumed, principally because economic development depends on natural resources all the time. But what is happening today is extraordinary judged by the standards of the past. It is ener

发表于:2019-02-12 / 阅读(104) / 评论(0) 分类 雅思英语

GUANGZHOU, May 16 (Xinhua) -- A two-and-a half month fishing ban began at noon Wednesday in most parts of the South China Sea as part of ongoing efforts to rehabilitate the area's marine resources, according to fishery authorities. The Hainan provinc

发表于:2019-02-18 / 阅读(86) / 评论(0) 分类 英语新闻

Why do some governments persist in spending billionsof dollars on space exploration when starvation and poverty continue to gripmany countries throughout the world ? This particular question is being raisedby an ever increasing number of people 。 既

发表于:2019-02-19 / 阅读(51) / 评论(0) 分类 托福英语

很多参加gre的考生在做gre写作的时候都没有写提纲的习惯,这是非常不好的。提纲在gre写作当中起到了至关重要的作用。从今天起,我们将对gre issue进行分析,弄清写作思路,这样才能让gre

发表于:2019-02-19 / 阅读(91) / 评论(0) 分类 GRE作文

此题感谢lgc,是6月28日雅思写作大题目。关于能源危机的解决。此文思路清晰,结构除了建议部分稍显单薄,还是十分合理的,最关键的是本文的词汇功力,可以看出作者应该按照我上课的要

发表于:2019-02-26 / 阅读(142) / 评论(0) 分类 雅思英语

31. There has been undesirable trend in recent years towards the worship of money . A recent survey showed that X percent of respondents ranked getting rich as their top priority , compared to X percent only a few years ago . Why do people fail to re

发表于:2019-03-03 / 阅读(159) / 评论(0) 分类 实用英语

There is nothing unusual about energy like coals and oils being consumed, principally because economic development depends on natural resources all the time. But what is happening today is extraordinary judged by the standards of the past. It is ener

发表于:2019-03-11 / 阅读(135) / 评论(0) 分类 雅思英语
学英语单词
aerogenesis
aikens
air release valve
all-weld bridge
Amygdalophyllum
annual maximum demand
Appliance efficiency standards
backshooters
be afloat again
betare oya
bi-dentate
birnbach
Boston Common
Bulgarianness
burning the candle at both ends
byrch
certified intrinsically safe electrical system
coated chip
common bird cherries
detailed proof
devil dogs
differential-flotation
dilutionist
divisible revenue
druthers
dual-temperature process
dune chain
Duratón, R.
El Vesubio
equivalent single conductor
ethyl isorhodanide
f6s
fact-based
febris colombensis
fermented fish sauce
Flói
FORTRAN preprocessor
fragmentation of storage
frothy expectoration
gas lift conveyer
give someone the mitten
go zonkers
Gordon's reflex
happy with
hysteresis effect
incisal retrusion
Inspection Certificate of Cargo GA or PA
intermaxillaire
intermediate frequency rejection
keto amide
land-development
Leeuuwenhoek, Anton van
ligamenta glenoidale
market oriented location
meny
micro-current meter
minor key
noradrenergic receptor
occupational mobility
Oceanids
official misconduct
oil skin
optional processing
outs-of-the-ordinary
overseas study tour
pamphleted
parting flange
photo-aging
Picha, R.
play the Jack
predetection recorder
processing cycles
pronephritic ridge
pylie
pyrophorous
ranjana
resist doing
Rhynchosia himalensis
rupture metamorphism
scandanavias
scenographs
Schea
schlieren optical screen
self-propagating high-temperature synthesis
Sierra Vista
smitsman
snake-eater
subchartering
succinites
summation of binomial coefficients
suyu
tennis stroke
to the ears
trapped-program interrupt
trebouxia
trixolane
Uma notata
Viola serrula
volume percentage concentration
welding station
whale-bone
zooms in