【点此跳转到参考答案】

　　81、通过对实验结果进行测量和图表分析，他们正试图查明是什么使得不同的人对相同的场景产生完全不同的理解。

　　82、可是这些致癌物质依然存在于我们的食物之中，与此同时，要想知道加工食品标签上的哪些成分对健康有利，哪些成分对健康不利，变得更加苦难了。

　　83、他们提供的个人服务在日本是如此根深蒂固，而这种服务有可能就在灯光闪烁的新展厅旁进行。

　　84、卫星信息系统有着和卫星远程电话一样的全球覆盖率，但它可以携带文本内容，这一点对使用笔记本电脑的人非常有用。

　　85、定位服务和信息服务可以一起帮助救援队找到受困的探险者，帮助警察找到被盗的汽车，帮助出口商追踪货物的进程，帮助货运公司检查司机是否绕道去了酒吧。

　　84、它通过电视屏幕和收音机的扬声器向我们叫嚣，通过报纸向我们招手，通过每天路边的广告牌向我们示意，通过每晚闪烁的彩灯向我们发送信息。

　　85、在设计和开发产品时，只用考虑工作时间、机器耗损、压力等因素就足够了，不用再去思考如何是产品变得对顾客更有吸引力。

　　86. When he missed the last bus, he was at a loss what to do.

　　87. If you want to attain your goal, you can’t neglect working hard.

　　88. It is foolish to think that computers will take the place of our human brains someday.

　　89. In spite of the bad weather, the football game went on and the audience stayed there, cheering for their favorite players.

　　90. Some people think the more expensive a product is, the better it will be. But it isn’t necessarily the case.

　　Part V 参考例文

　　Keeping Fit

　　Obviously, health is more important than anything else we have in this world. Good health is a necessity for us to enjoy our life and pursue our dreams in the society. On the other hand, poor health may lead to poor chances in our career, making us pessimistic about our future. In other words, good health means more chances and much happier life in the world.

　　There are some effective ways to keep us healthy. Firstly, we have to form a good habit in our daily life. Franklin once said that early to bed and early to rise made one healthy and wealthy. That is to say, a good habit of life is very important for us to be successful in our career. Besides, drinking and smoking do great harm to our health, so you have to keep away from them. Secondly, exercises may keep us very strong. Although each of us is very busy with our daily work and study, we will never forget to spend some time doing exercises. Thirdly, a balanced diet is a must to keep us healthy. We’d better not have too much fat and sugar, which may cause us to become overweight. Vegetables and fruits provide us various vitamins; therefore, do not hesitate to enjoy these foods.

　　In conclusion, health is very valuable for each of us. If you could follow the advice we’ve proposed above, you will be sure to keep fit and enjoy your happy life.