高等教育自学考试网上辅导
》 《英语(一) 英语(
Text B What People Don't Know about Air
New words
  1.前缀单词 unending 永无止境的,不尽的;不断的,不停的
  2.合成单词 meantime 同时,其间
  3.后缀单词 (
  1)形容词后缀 atmospheric 大气的,空气的;大气层的;大气所引起的 electrical 电的,电气的 atomic 原子能的;原子的 (
  2)名词后缀 existence 存在;生存,生活 lightning 闪电 explosion 爆炸,爆发 (
  3)副词后缀 widely 广泛地,普遍地;广博地;大大地
Cruces words 重点词汇:
  1.shelter:n. 掩蔽,保护;掩蔽处,躲避处 v. 掩蔽,庇护 For example:The high fence gives us some shelter from the wind. (这道高栅栏给我们挡住了风. ) The clothes shelter me from getting cold. (衣服为我挡住了风寒. )
  2.electric/electrical (
  1)electrical: 电的;电气的;与电有关的 For example:This machine has an electrical fault.(这台机器有电气故障. ) electrical engineering 电机工程 (
  2)electric 发电的: an electric generator 发电机 由电产生的 an electric current 电流 使用电的 an electric light/iron/cooker 电灯/电熨斗/电炉子 ????????????????????????????????????????????????????????????????????
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高等教育自学考试网上辅导
》 《英语(一) 英语(

  3.existence (n) :存在,生存,生活 come into existence:产生,成立,开始存在 For example:That company came into existence in 19
  71.那公司成立于 1971 年.
  4.gaze:凝视,注视 gaze (vi/n) 凝视/注视 gaze at:注视 For example:She gazed at me when I told her the news.(我告诉她这消息时,她凝视着我. ) He just sat gazing through the window.(他只是坐在那里呆呆地望着窗外. )
  5.thorough (a/ad.) :彻底的,完全的;仔细周到的,精心的 For example:They spent the whole day giving the room a thorough cleaning last Sunday. (上周日他们花了一整天时间对房子进行了一次彻底的打扫. ) He is a slow worker but very thorough.(他做事很慢,但很仔细. )
  6.create (vt) :创造;创作;引起,产生 For example:God created the world. 上帝创造世界. The wealth of society is created by the laboring people. 社会的财富是劳动人民创造的.
Phrases and Expressions
  1.In order to:为了 引导目的状语还可以用 so as to/in order that 或直接用不定式(to do) 来表示 For example:We turned the lights off in order to save electricity.(为了省电,我们把灯关了. ) Check your test paper in order to avoid mistakes.(检查一下试卷,以免出错. ) I came here to see you.(我来这里看你. )
  2.protect…from:防御(危险;敌人等) For example:Underground shelters can protect us from atomic explosion. (地下掩体能使我们防御原子弹的爆炸. )
  3.rest upon:依赖,依靠 For example:She rested her elbows on the table./ Her elbows rested on the table. (她将肘靠在桌上. ) His parents' hopes rest on him.(他父母将希望寄托在他身上. ) Her eyes rested on/upon me.(她凝视着我. )
  4.in the meantime:在此期间, (与此)同时 For example:I'll call you on Sunday, but in the meantime say nothing. (星期天我会打电话给你,在此期间什么也别说. ) ????????????????????????????????????????????????????????????????????
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》 《英语(一) 英语(

  5.to pay attention to(介词) :注意 For example:Please pay attention to the blackboard.请注意黑板.
Text B What People Don't Know about Air The air around us is important to everyone. Without air, we could not exist. Everyone understands that. But air is necessary in many other ways-ways that are not always so obvious or widely known. 句型:Without + n.=If 引导的条件状语从句 Without air…=If there were no air…(虚拟语气) For example:Without fire, we would be much colder. 单词:way 道路;路途,路程;方法,手段,方式;方面 For example:He is a clever man in some ways.(他在某些方面很聪明. ) In some ways, you are right.(你在某些方面是对的. ) 我们周围的空气对每个人都很重要.倘若没有空气,我们也就不能生存了.这是每个人都懂的.在其他情况下, 也都必须有空气,但这些其他情况并不都是显而易见或广为人知的. For example, if we did not have air, there would be no sound. Sound travels through air. 举个例子来说,如果没有空气,就不会有声音.声音是通过空气来传播的. Where there is no air, there is no sound. (
  1)where 在句中作连接副词:"在…地方""到…地方""…的地方" For example:Where there is a will, there is a way.(有志者事竟成. ) I found my books where I had left them.(在我放书的地方我找到了我的书. ) Where there is no rain, farming is difficult.(在不下雨的地方,耕种是困难的. ) Put it where we can all see it.(把它放在我们都看得见的地方. ) (
  2)where 在句中还可作疑问副词 Where are you going for your holiday?(你打算到哪儿去度假?) (
  3)where 在句中还作关系副词 This is the garden where you last saw him.(这就是你上次看到他的那个花园. ) We moved to Paris, where we lived for six years.(我们后来搬到巴黎,在那里住了 6 年. ) Where there is no air, there is no sound. Without air, there would be no fire. There would be no cars or trucks, since motors need air in order to work. 凡是没有空气的地方,就没有声音.倘若没有空气,也不会有火,也不会有小汽车或大卡车,因为这些发动机 要运转就需要空气. 单词:since:既然,因为 ????????????????????????????????????????????????????????????????????
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For example:Since it is late, I shall go home now.(天很晚了,我要回家了. ) 句型:in order to/in order that 引导的目的状语. He gets up early in order to do morning exercise. (为了晨练,他起得很早. ) He saved a lot of money in order that he could buy a flat. (为了买房子,他攒了许多钱. ) Without air, there would be no wind or clouds. There would be no weather, as we know it. The night time would be very cold and the days very hot. We would be forced to seek shelter from the sun, as there would be no atmosphere to protect us from the sun's deadly rays. 倘若没有空气,就不会有风或云,也不会有众所周知的天气变化.倘若没有空气,夜间就会很冷,白天就会很 热.因为若没有大气层来保护我们,我们就不得不找一个藏身之处来躲避致命的太阳光线. 单词:seek:寻找,找到;追求,寻求 For example:Seek shelter from the rain(寻找避雨之处) Seek happiness(追求幸福) The atmosphere is all the air surrounding the earth. Atmospheric pressure is the weight of all that air against the surface of the earth. If we did not have atmospheric pressure, we could not have automobile tires. The tires would burst if they did not have the pressure of the atmosphere against their surfaces. 大气层就是包围着地球的所有空气.大气压就是压在地球表面上的所有空气的重量.假如没有大气压,我们就 不能有汽车轮胎了.如果没有大气压来顶住或压住汽车轮胎表面,轮胎就会爆裂了. 单词:against (prep) 靠着, 倚着… For example:He was leaning against a tree.(他倚着一棵树. ) The rain beat against the car windscreen.(雨点打在汽车的挡风玻璃上. ) Large and powerful, the atmosphere consists of an ocean of gases hundreds of miles high. It presses down on our bodies with a force of more than fourteen pounds per square inch. The narrow column of air which rests upon our shoulders weighs almost 2,000 pounds. But our bodies are built in such a way that this weight does not crush us. 大气层占据极大的空间,具有极强的压力,它由高达数百英里的厚厚的一层空气所组成的.大气压压到我们身 上的重量每平方英寸达 14 英磅以上. 我们双肩所承受的细长空气柱几乎有 2000 英磅重. 不过由于人体的特殊构造, 大气压的重量是不可能把我们压垮的. 句型:such…that/so … that/so that For example:I haven't had such an enjoyable evening for years./I haven't had so enjoyable an evening for years.许多年 来我从未度过像这样愉快的夜晚. It was such a boring speech that I fell asleep.这演讲枯燥无味,听得我都睡着了. He walks so fast that nobody can catch up with him.他走得如此的快以致于没有人能跟得上他. ????????????????????????????????????????????????????????????????????
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In this huge ocean of air there is more energy than in all the coal, oil, and gas we have on earth. Electrical energy is collected in the atmosphere as water is collected and stored in a dam. The existence of electricity in the air has been known for centuries. Men have gazed in wonder at the bright patterns of lightning in storm clouds. But a thorough study of electricity in the atmosphere was not possible until the development of radio and radar. 在这巨大而广阔无垠的空气层中存在着能量,比地球上的煤,石油,天然气加起来所产生的能量还要多.电能 被收集在大气层中,正像水被汇集到大坝里一样.大气层中存在电,这一事实人们早在几个世纪以前就知道了.人 们惊奇而不解地凝视着暴风雨云中闪现出来的耀眼闪电的种种形态.但是彻底地研究大气层的带电现象是在研制出 了无线电和雷达之后才成为可能. One scientist, Dr. Sydney Chapman, has tried to explain the electric field which surrounds the earth. He believes that the great storms on the sun create large amounts of electric energy. This energy is contained in a very light gas called hydrogen. The earth pulls the gas toward it, and a ring is formed around the earth several thousand feet above its surface. The great space ring is a powerful current of electrical energy. Sometimes the ring comes down and curves into the lower atmosphere, causing strange electrical effects. 科学家悉尼查普曼博士试图解释包围着地球的电磁场.他认为太阳上的巨大风暴产生了大量电能.这种电能存 在于一种很轻的气体--"氢"里.地球把这种气体吸引到地球周围,于是地球表面的上空中就形成了一个把地球包围起 来的几千英尺厚的圆圈.这个巨大圆圈里有着强大电流的电能.有时这个圆形外壳会下降并且弯进较低的大气层里, 这就引起了一些奇异的电效应. Dr. Chapman's ideas explain many things. It has long been known that there is an electric field inside the earth. It moves in much the same manner as the electric energy contained in the atmosphere. Scientists now believe that the electric energy in the atmosphere causes the electric energy inside the earth to flow. 悉尼查普曼博士的理论解释了很多现象.地球内部有个磁场,这是人们早就知道的.地球内部的电磁场的流动 方式正像大气层中电能的流动方式一样.现在科学家们认为大气层中的电能引起了地球内部的电能流动. 短语: (
  1) much the same 差不多一样 For example:The patient's condition is much the same.(那病人的情况没有什么变化. ) (
  2) the same…as 和…一样 For example:His watch is the same as yours.(他的手表和你的一样. ) If we can learn to control the energy in the atmosphere, we will have an unending supply of energy. Many scientists are trying to learn how to control it. In the meantime, even those of us who are not scientists have begun to pay attention to air. We realize that air does not contain the same elements that it contained years ago. Automobiles, airplanes, factories, and atomic explosions have added dust and waste gases to the atmosphere. It is time to learn how to protect our atmosphere, the roof over the world of man. 如果我们将来能够学会控制大气层中的能源,那我们将来就会有取之不尽用之不竭的能源了.许多科学家正在 ????????????????????????????????????????????????????????????????????
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》 《英语(一) 英语(
试图学会控制大气层中的能源.与此同时,甚至像我们这些非科学工作者,也已经开始注意到空气,天空,大气层 了.我们意识到了空气中所含的成分跟若干年以前不一样了.各种类型的汽车,形形色色的飞机,大大小小的工厂, 一次一次的原子弹爆炸,都把烟尘和种种废气排到大气层中.该是我们人类学会保护大气层,也就是学会保护我们 人类世界的顶棚的时候了.
Vocabulary Exercises Ⅱ Supply a
 

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