请看下列例句,并请分析出as的具体用法。
1. I work as an English teacher in a middle school. 2. Run as fast as you can.
3. Young as he is, he knows more than I. 4. Just as I was leaving, the telephone rang. 5. Please do as I have told you.
6. As I am the oldest child in my family, I must take care of the other children. 7. Such people as you have described are rare now|
自考英语二复习资料第三章
1. astronomer: n 天文学家；astronomy: n 天文学
2.explode: v 爆炸,由此联想：explosive: a 爆炸性的/n 炸药；explosion: n 爆炸 1). When the bomb______, many people were seriously wounded. 2). The unexpected ________ frightened the little girl. 3). It might be possible to convert _____ energy into heat. Answers: exploded, explosion, explosive
3. density: n 密度；联想产生：dense: a 密度大的，反义词：sparse;
densely: ad高密度地；densely-populated人口稠密的；sparsely-populated人口稀疏的 1). The ____ fog kept the travelers from finding the correct direction. 2). The business area of the city is _____ populated. 3). This liquid has a much greater ____ than water. Answers: dense, densely, density 4. shrink: v 收缩、退缩、缩水
1). As a result of careless washing, the jacket has shrunk to a child's size. 2).The girl shrinks at the sight of blood. 5. measurement: n 衡量、测量；
由此联想：measure: n措施/v 衡量、测量；measurable: a 可衡量的，可测量的 1). We must take _____ to protect our environment. 2). We have come within ______ distance of success. 3). Clocks give us a ______ of time.
4). There the rainfall is ______ not in inches but in feet. Answers: measures, measurable, measurement, measured 6.implication: n 含义、暗示；imply: v 暗示 7. basis: n 基础、根据，
由此可以联想得到：base: n 底部；v 以…为底，为根据；basic: a 基础的，根本的； basically: ad 根本上来说,
1). If you want to improve your English, you must have a solid ______.
2). The furniture of out dorm is really _____: two beds, two chairs and tables.
3). The charges are false for they are not ______ on proven facts.
4). Since no better plan can be worked out, we have to adopt the ____ workable one. Answers: basis, basic, based, basically 8. observatory: n 天文台；由此可以联想得到：
observe: v 观察；observation: n 观察；observer: n 观察家
9. convincing: a 有说服力的，使人信服的；convince: v 使人信服；convinced: a 感到有说服力的，常见搭配：convince sb of sth; convince sb that 1). He gave us a convincing speech. 2). He convinced me f his sincerity.
10. operate: v 运转、操作、动手术；operation : n 手术，操作；operator: 操作者 11. research into对…进行研究
She is researching into possible cures for AIDS. 12. swallow up: 吞没、耗尽
Many small businesses have been swallowed up by large companies. 13. apply to sb/sth：适用于某人/某事，请对比：
apply to sb for sth向某人申请某事；apply A to B将A 应用于B 1). You should apply what you have learned to your work. 2). I applied to him for a new job.
3). The study method doesn't apply to everyone
Analyze the important sentences among the text
1. Well, it's difficult to answer this question, since the terms we would normally use to describe a scientific phenomenon are inadequate here.(p1)
译：哦，这个问题很难回答，因为我们通常用来描述一种科学现象的现有术语在这里不够用。 句子分析：it是形式主语，to answer this question是句子主语；since引导原因状语从句，we would normally use to describe a scientific phenomenon是定语从句，修饰terms; inadequate: 不充分的，不合格的。
2. Astronomers and scientists think that a black hole is a region of space not a thing into which matter has fallen and from which nothing can escape---not even light. (p1)
译：天文学家和科学家认为黑洞是一个空间区域，而不是一个物体，物质会掉进黑洞而没有物体可以从中逃脱出来，即使是光也不行。
句子分析：into which和from which引导两个定语从句，介词：into和fall搭配；from 和escape搭配。这种介词+which的定语从句的形式请多注意。
3. The theory is that some stars explode when their density increases to a particular point. (p2)
译：（关于黑洞形成的）理论就是一些星球的密度增长到某个特定的点就会爆炸。
句子分析：这是一个主系表结构句。that用来引导表语从句，不可省略。其中又包含一个when引导的时间状语从句。to a particular point是达到某一个特定的点的含义。
4. But if the star is very large (much bigger than our sun) this process of shrinking may be so intense that a black hole results. (p2)
译：但如果星球很大（比我们的太阳还要大得多），其收缩过程可能很剧烈，以致于产生了黑洞。 句子分析：这是一个if引导的条件状语从句，so…that表示如此…以致，是结果状语从句。 如：I'm so tired that I can even sleep on my way home.
5. Imagine the earth reduced to the size of a marble, but still having the same mass and a stronger gravitational pull, and you have some idea of the force of a black hole. (p2) 译：假想一下地球收缩到弹球儿那么大，但仍具有同样的质量和更强的吸引力，你就会对黑洞的力量又某种概念。
句子分析：该句的主要结构为imagine….and you ……事实上相当于if you imagine…, you will have some idea….. 这种句子结构在历年的考试中曾出现过。请记住：祈使句+ and + 陈述句= if引导的条件状语从句。如：Hurry up and you can catch the last train!
另外，该句还有两个定语成分reduced to the size of a marble和having the same mass and a stronger gravitational pull用来修饰the earth.前者为过去分词，而后者为现在分词。词组： have some idea of sth对…有所了解
6. It is only recently that astronomers have begun specific research into black holes. (p3line13--14)
译：只是近来科学家才开始对黑洞进行具体的研究。
句子分析：本句的核心结构为it is…that的强调句型，强调时间状语only recently。词组：research into sth对…进行研究。
7. The most convincing evidence of black holes comes from research into binary star systems. (p4)
译：有关黑洞最有说服力的证据来自对双星体系的研究。
句子分析：该句主语evidence，谓语comes from；宾语research into binary star systems。 The most convincing是定语，修饰evidence.其中请注意convincing:令人信服的，通常修饰物的形容词多以-ing结尾；而修饰人的多以-ed结尾。如： I feel excited after hearing the surprising news.
8. Matter from the one which we can see is being pulled towards the companion star. (p4) 译：我们所看到的星球的物质正在被吸引到伴星去。
句子分析：主语matter; 谓语is being pulled，这是一个进行被动语态；towards the companion star介词宾语；from the one which we can see定语。
9. On the other hand, scientists have suggested that very advanced technology could one day make use of the energy of black holes for mankind. (p5line4--6) 译：另一方面，科学家也提出有一天高科技会利用黑洞的力量为人类服务。
句子分析：请注意在本句中suggest不是建议的含义，是指出、指明的意思。advanced高级的、先进的；make use of sth利用…，该词组可以拓展成：make good use of 好好加以利用；make full use of充分加以利用。
10. They show us a world which operates in a totally different way from our own and they
question our most basic experience of apace and time.(p5)
译：他们展示给我们一个不同于我们自己的世界运行方式的世界，并对我们最基本的时空经验提出了质疑。
句子分析：这个句子复杂在于：从which引导的很长的定语从句，特别注意;operate：v 操作；in a way以某种方式；be different from同…不同；question: v 质疑，询问。
自考英语二复习资料第四章
Learn new words and phrases
1. resolve: v 旋转，常见搭配关系为：resolve around sb/sth围绕…转。 She spends all of her time resolving around her family. The earth resolves around the sun. 2. solar: a 太阳的，日光的
solar energy太阳能；solar system太阳系；solar month阳历月 3. concerned: a 有关的、担心的
Her job is something concerned with computer. He is concerned about the result of the exam. 4. colored: a 有色的，对比；colorful: a 丰富多彩的 I like orange-colored coat. Everybody likes colorful life.
5. religion: n 宗教，religious: a 虔诚的； 请对比：region: n 地区；regional: a 地区的 6. circumstance: n 情况、境遇；
Under no circumstances can we waste time.
7. a great many = a number of = many很多，修饰复数名词。而a great deal of + u.n A great many students are absent today. I have wasted a great deal of time. 8. above all: 首先、首要
After the war, he longed above all to see his wife and family. 9. as a rule: 通常、一般而言
As a rule, I only watch sports news.
Analyze the important sentences among the text:
1. First of all, let us consider the earth as a planet revolving around the sun. (p1) 译：首先，让我们把地球看作是围绕太阳运行的一颗行星。
句子分析：first of all首先，词组：consider sth as sth把…当作…，与之类似的词组还有： look up sth as sth; review sth as sth; treat sth as sth…; revolving around the sun是现在分词短语作定语修饰a planet。
2. These nine planets, together with the sun, make up what is called our solar system. (p1)
译：这九大行星和太阳一起构成我们所说的太阳系。
句子分析：该句主语为：These nine planets；谓语是make up；what is called our solar system是宾语；together with the sun是状语，而并非句子主语。关于该语法内容请见本讲后面的grammar---主谓一致。
3. How this wonderful system started and what kept it working with such wonderful accuracy is largely a mystery …… (p1)
译：这个奇妙的星系是怎样起源的？什么使它保持极其精确的运转，很大程度上现在还是一个谜。 句子分析：这也是一个主语很复杂的句子：How this wonderful system started and what kept it working with such wonderful accuracy是主语，它是一个主语从句。关于该语法内容请见本讲后面的grammar---主谓一致。
4. The total water area is about three times as large as the land area. (p4) 译：水域的总面积大约是陆地面积的三倍大。
句子分析：该句的核心句型是A + be + 倍数+ as + adj + as + B. e.g. The Atlantic Ocean is only half as big as the Pacific Ocean.
5. These currents are important because they affected the climate of the land areas close to where they flow and also because they carry large quantities of microscope animal and vegetable life which forms a large part of the food for fishes. (p5)
译：这些海洋之所以重要是因为他们影响着所流经区域的附近陆地的气候，也是因为它们携带大量的微生物，植物，而这些构成鱼类食品的一大部分。
句子分析：这是一个由because引导的主从复合句，其中close to where they flow是定语，修饰the land areas；词组：large quantities of + c.n/u.n; which forms a large part of the food for fishes是定语从句修饰animal and vegetable life。其中life是指生命，不可数名词。
6. The circumstances under which different people live make a difference between the way in which they live and the way in which we live, and it ought to be our business to try to understand those different circumstances so that we can better understand people of other lands. (p8) 译：不同民族的生活环境造就了他们和我们极为不同的生活方式，我们应该做的是去了解他们不同的生活环境以便可以更好理解其他地区的人们。
句子分析：该句中的under which和in which又是介词+which的定语从句用法，修饰The circumstances和the way；so that引导的时目的状语从句。其中：make a diference;使…不同，产生差异；business 是指责任；
7. Above all, we should avoid deciding what we think about people different from ourselves without first having learned a great deal about them and the kind of lives they have to live. 译：其中很重要的实在没有对于与我们不同的人们和他们必须过的那种生活有大量的了解之前，我们应该避免对他们有先入为主的看法。
句子分析：Above all是状语，意思是最重要的，首先；we主语；should avoid谓语；deciding what we think about people different from ourselves宾语；without first…状语。different from ourselves是定语，修饰people; having learned动名词的完成时态，表示这个动作早于deciding发生。重要词组：above all; avoid doing; a great deal
8. It is true to say that the more we learn about other people, the better we understand
自考英语二重点讲解复习资料汇总2
