31. Tom’s father has taught English here since he graduated from Peking University.汤姆的父亲从北京大学毕业后就一直在这里教英语。

32. Please give this book to whoever comes first 请把这本书给最先来的人。

.33. Though it was late, they kept on working尽管已经很晚了，他们还在继续工作。

31. Apples here like water and sunshine. 这里的苹果喜欢水和阳光。

32. Fred was such a hardworking student that he soon came our first in the class. 弗莱德是一个学习十分用功的学生，以至于不久他就成了班里学习最好的学生33. Ted and William have lived under the same roof for five years. 泰德和威廉已经在同一个屋檐下生活了五年了。

31. A lot of natural resources in the mountain area are to be exploited and used. 那个山区有许多自然资源有待于开发利用32. In Foreign Languages Department, a checking machine is used to correct the students’ test papers. 在外语系，用阅卷机给学生阅卷33. The students are encouraged by their teacher to do more listening, reading and writing. 老师鼓励学生多听，多读，多写31. There is a large amount of energy wasted due to friction. 由于摩擦而损耗了大量的能量。

32. This place has plentiful material resources这个地方的物质资源是丰富的.33. Various substances differ widely in their magnetic characteristics. 各种材料的磁性有很大的不同31. The more passions we have, the more happiness we are likely to experience. . 我们的激情越多，我们有可能体验到的快乐就越多。

32. Each time history repeats itself, the price goes up. 历史每重演一次，代价就增加（一分）。

33. In an age of plenty, we feel spiritual hunger. 在这个物质财富充裕的时代，我们感到精神上的饥渴31. In no other country in the world can you find such plants as this one. 像这种植物在世界上的其他任何一个国家中都找不到。

32. I was having a nap when suddenly the telephone rang我在睡觉时，电话铃突然响了。

.33. All that glitters is not gold. 闪光的东西，未必都是金子31 Bill hit his car into a wall last night. 昨晚比尔开车时车撞到了墙上。

32 Would you please help me with this heavy box? 你能帮我抬一下这个很沉的箱子吗？33 He has taught English in this university ever since he moved to this city. 自从他来到这座城市就在这所大学里任教31 Transistors are small in size and light in weight. 晶体管的体积小，重量轻32. John and his brother differ in personality even if their differences in age are not significant. 尽管约翰和他哥哥在年纪上相差不大，但他们的个性却不相同。

33. If you decided to learn a new language, you would have to dedicate yourself wholeheartedly to the cause. 如果你决定学一门新的语言，你必须全身心地投入。

31. You needn’t go there anymore. He already knows about it. 你不必去了，他已经知道那件事了。

32. As is known to all, China is a developing country. 众所周知，中国是一个发展中国家33. The most common samples of inorganic materials are the gases of the atmosphere, water, rocks, etc. 大气中的气体、水、岩石都是无机物中最普通的实例76.The study was means to examine how the brain reacts to electromagnetic fields caused by wireless phone signals。

研究意图检测大脑是如何对无线电信号引起的电磁场反应的77.Experts said the results were interesting, but urged that they be understood with great care。

专家指出这一结果值得关注，但是在解释时需要特别谨慎78.Nor is electronic multitasking entirely new: We’ve been driving while listening to car radios since they became popular in the 1930s。

电子操作的多任务处理也并不是全新的：自从十九世纪三十年代它们流行开始，我们就边开车边听音乐了79.Although multitasking kids may be better prepared in some ways for today’s fast-paced workplace, many scientists are positively alarmed by the trend。

在如今的快节奏工作环境里，尽管能够多任务处理的孩子在某种程度上也许会准备的更好，但许多科学家的确被这种趋势震惊了。

80.In Germany, nuclear power has been a repeatedly argued and widely felt issue for decades。

在德国数十年来核武器已经被反复争论，并且引起广泛的讨论81. Earthquakewhich recently happened in Japanhad changed the surface of earth。

最近发生在日本的地震改变了地球表面。

82. Children underthe age of 13 should sit in the back sit。

13岁以下的儿童应坐在后座。

83. I never get upearly on Sunday我星期天从不早起。

84 Child’scharacter greatly influenced by family environment。

.孩子的性格受家庭环境影响很大。

85 Since I left ina hurry, forgot to take my textbooks.由于我离开得匆忙，忘记带课本了1. In the early fifties, only eight or nine out of a hundred young men changed their jobs within the first three years with a company.在五十年代初期，有百分之八九的年轻人在一家公司工作三年后往往会跳槽。

2. Since most jobs take only a year and a half to master, in order to continue learning, they have to make a job change.由于大多数工作只需花一年多就可以掌握，为了继续学习，他们就会调换工作。

3. They have worked for a few years as technical specialists and quickly moved into higher management positions.作为技术专家，他们在工作了几年之后会更快地跳到更高的管理岗位。

4. Sociologists are interested in how a society began and how it grew.社会学家们对于一个社会是怎样形成与怎样发展起来的很感趣。

5. A Frenchman named Auguste Comte made sociology a separate science in the 1830s.1830年，一个叫Auguste Comte的法人使社会学成为一门独立的学科。

6. The method of capital punishment varies from nation to nation.执行死刑的方法因国家而各不相同。

7. The new device was named after the man who spoke out in favor of it.有个人大胆提议用这种新装置，后来这种刑具就以那个人的名字命名。

8. Many people felt that beheading a person in the guillotine was merciful because of the quickness of death.许多人认为使用断头台来处决一个人，这是很仁慈的，因为这样会让人死得更快一些。