1.将下列含有限制性定语从句的复合句译成汉语：

1). Everything that is around us is matter.   我们周围的一切都是物质

2). He is the only one among us that knows French.  他是我们中唯一懂法语的人。

3). I know the reason why he came late.  我知道他来迟的原因。

4). Certain ideas, principles, and laws often form the foundation on which other ideas, principles and laws of a science are constructed.  一些思想、原则和法律往往会成为其他思想、原则和法律赖以形成的基础。

5). Stainless steels must contain a minimum of 10% chromium. This is the reason why they are stainless.   不锈钢至少要含有10%的铬，这就是不锈钢不生锈的原因。

6). Electrical energy that is supplied to a lamp can be turned into light energy.  供照明的电能可以转化为光能。

7). An electric field is a space where an electric force exists.  电场就是电力存在的空间。

8). The house whose roof was damaged has now been repaired.  屋顶坏了的房子现在已经修好。

9). Shanghai is the place where he was born.  上海是他出生的地方。

10). The people who worked for him lived in mortal fear of him.  在他手下工作的人对他怕的要死。

11). The force that causes everything to fall toward the ground is called gravity.  使所有物体落向地面的力称为重力。

12). Substances which allow electricity to flow through freely are called conductors.  电流能顺利通过的物体称为导体。

13). The car whose engine broke down was bought last month.  发动机坏掉的那辆车是上个月买的。

14). A rocket engine can work in space where there is no air.  火箭发动机能在没有空气的太空中工作。

15). We could not really feel satisfied, calm or in agreement with the situation with which we are faced at the beginning of this session of the General Assembly.   我们对本界联大开始时所面临的局势难以感到满意，也难以感到心安理得。

16). They are striving for the ideal which is close to the heart of every Chinese and for which, in the past, many Chinese have laid down their lives.  他们正在为实现一个理想而努力，这个理想是每个中国人所珍爱的，在过去，许多中国人曾为这个理想而牺牲了自己的生命。

17). He unselfishly contributed his uncommon talents and indefatigable spirit to the struggle which today brings those aims within the reach of a majority of the human race.  他把自己非凡的才智和不倦的精力无私地献给了这种斗争，这种斗争今天以使人类中大多数人可以达到这些目标。

18). He said there was never anything happening in his family he was ashamed of.   他说他们家可从来没有出现过见不得人的事儿。

19). There is a man downstairs who wants to see you.  楼下有人要见你。

20). There are some countries in the world where there is little rain at any time. 世界上有些国家终年少雨。

2.将下列含有非限制性定语从句的复合句译成汉语：

1). Silver is a conductor, which allows electric current to flow easily.    银是一种导体，它可以让电流很容易地通过。

2). Days and nights are very long on the moon, where one day is as long as two weeks on the earth.  月球上的白天和黑夜都相当长，那里的一天等于地球上的两周。

3). Metals are very strong and can be made into any required shapes, which makes it possible to be widely used in industry.  金属坚硬，又可加工成任何所需的形状，这使它能在工业上得以广泛应用。

4). Transistors, which are small in size, can make previously large and bulky radios light and small.  体积小的晶体管使先前那种大而苯的收音机变得既轻又小。（前置）

5). He liked his sister, who was warm and pleasant, but he did not like his brother, who was aloof and arrogant.  他喜欢热情愉快的妹妹，而不喜欢冷漠高傲的哥哥。（前置）

6). You can break up a beam of incoherent light with a prism, which is made of glass.  你能用玻璃制的棱镜分解一束非相干光。（前置）

7). Mr Smith, who came to see me yesterday, is a relative of my wife’s.  史密斯先生昨天来看过我，他是我妻子的亲戚。（独立句）

8). Machine tools have various uses, one of which is to make holes in metal.  机床有多种用途，其中之一是在金属上钻孔。（后置）

9). After dinner, four key negotiators resumed their talks, which continued well into the night.   饭后，四个主要谈判人物再继续进行会谈，一直谈到深夜。

10). Like charges repel, but opposite ones attract, which is one of the fundamental laws of electricity.  同性电荷相斥，异性电荷相吸，这是电的基本法则之一

11). She has two brothers, who are both doctors.  她有两个兄弟。他们都是医生。（独立句）

12). We will put off the party until next week, when we won’t be so busy.  我们把聚会推迟到下星期。那时我们不会这样忙。（独立句）

13). Semi–conductor is a new kind of material, which has found a wide use in electronic industry.  半导体是一种新型材料，已广泛应用于电子工业。

14). There are some new terms in the article, the meanings of which may be difficult to the students.  这篇文章中有些新的术语，它们的意思可能使学生感到困难。

15). Galileo, who made the first telescope, died in 1624.  伽利略死于1642 年，他制造了第一架望远镜。

16). The most important form of energy is electric energy, which is widely used in our daily life.  电能是最重要的能量形式，它广泛用于我们的日常生活中。

17). Burgess and Richard Hoagland contacted Carl Sagan, who greeted the idea enthusiastically.  伯吉斯和理查德.霍格兰同卡尔.萨根取得了联系，卡尔满腔热情地接受了这个想法。

18). He had talked to Nixon, who assured him that everything that could be done would be done.  他和尼克松谈过话。尼克松向他保证，凡是能够做到的都会竭尽全力去做。

19). Once was a violent thunderstorm, the worst I had ever seen, which obscured my objective.  有一次是暴风骤雨，是我平生见到最猛烈的。这阵暴风雨遮住了我的目标。

20). Electronic computers, which make it possible to free man from the labour of complex measurements and computations, have found wide application in engineering.  电子计算机在工程技术上已获得广泛应用，它使人可能摆脱复杂的测量和计算工作。

3.将下列含兼有状语职能的定语从句的复合句译成汉语：

1). Congress, which had met to continue its protests to the Crown, found itself raising an army and selecting George Washington as its commander in chief.  代表大会先前已集会决定继续向英皇提抗议，而现在则发展到募集军队并推选乔治.华盛顿为总司令了。

2). Atoms, which are very, very small, can be broken down into still smaller particles.  原子虽然很小很小，但仍能分解成更小的粒子。

3). We have to oil the moving parts of the machine, the friction of which may be greatly reduced.  我们必须给机器的传动部分加油，以便使摩擦大大减少。

4). Men became desperate for work, any work, which will help them to keep alive their families.  人们极其迫切地要求工作，只要它能维持一家人的生活就行。

5). However, iceberg water could be extremely cheap for some countries when compared with desalination, a process which requires much more fuel and much more money.  不过，对某些国家来讲，用冰山化水与海水脱盐相比，冰山化水的费用可能极为便宜，因为脱盐过程需要更多燃料和更多的资金。

6). An automatic production line is excellent for the automotive industry where thousands of identical parts are produced.  自动生产线最适用于汽车工业，因为那里要生产成千上万个同样的零件。

7). Rubber is a light, elastic, durable and water-resistant material, which makes rubber industry very important.  橡胶是一种质轻、富有弹性、经久耐用和防水的材料，因此橡胶工业十分重要。

8). John, whose wife is ill, cannot come to the party.  约翰不能来参加聚会，他妻子病了。

9). The computer, which seems to play the role of a human brain, is often called an electronic brain.  由于电子计算机似乎起着类似人脑的作用，所以常被称作电脑。

10). Behaviourists suggest that the child who is raised in an environment where there are many stimuli which develop his or her capacity for appropriate responses will experience greater intellectual development.  行为主义者认为，如果一个儿童在有许多刺激物的环境中成长，而这些刺激物能够发展其作出适当反应的能力，那么这个儿童将会有更高的智力发展。

11). Matter has certain features or properties that enable us to recognize it easily.  物质具有一定的特征或特性，因此能使我们很容易地识别出来。

12). Potential energy that is not so obvious as kinetic energy exists in many things.  虽然势能不象动能那样明显，但它存在于许多动物之中。

13). There is a minimum size for the reactor at which the chain reaction will just work .  反应堆有一个最起码的尺寸，以使链式反应正好维持下去。

14). The remainder of the atom from which one or more electrons are removed must be positively charged.  如果从原子中移走一个或多个电子，则该原子的其余部分必定带正电。

15). A gas occupies all of any container in which it is placed.  无论将气体装在什么容器里，它都会把容器充满。

16). Mechanical energy is changed into electric energy, which in turn is changed into mechanical energy.  机械能转变为电能，而电能又转变为机械能。

17). Man can not live on the moon, where there is no air and water.  人不能在月球上住，那里没有空气和水。

18). World war II was, however, more complex than World War I, which was a collision among the imperialist powers over the spoils of markets, resources and territories.  第一次世界大战是帝国主义列强之间争夺市场、资源和领土的冲突，而第二次世界大战却比第一次复杂。(表原因)

19). They tried to stamp out the revolt, which spread all the more furiously throughout the country.   他们企图扑灭反抗，结果反抗愈加猛烈，遍及全国。（译成结果状语从句）

20). My assistant, who had carefully read through the instructions before doing his experiment, could not obtain satisfactory results, because he followed them mechanically.   虽然我的助手在实验以前从头到尾地阅读过说明书，但由于他死搬硬套还是未能得到满意的结果。（译成让步状语从