大学英语四六级经典英语作文20篇背诵文选

　　6. Automobiles

　　Automobiles, as a product of modern civilization, have been playing a vital part in the daily activities of human society. Industry needs automobiles for farming as well as transportation. Every day, automobiles drive people to and from work. On weekends automobiles take families for joyful outings. And during holiday seasons, automobiles fill the highways everywhere, even in remote areas. It could be said that the wheels of automobiles move society forward. But automobiles have also given rise to a series of problems. For example, cities are overcrowded with automobiles. They create a lot of noise and traffic accidents which disable(伤残) or kill many people each year. Worst of all perhaps is the air pollution caused by the exhaust gases produced by automobiles. Some of the gases are highly toxic(有毒的) and a serious health hazard.

　　7. Computer

　　The computer is widely used in all fields of society. Today, wherever you go, you will find computers being used. For example, computers are used in universities, large corporations, and small offices, etc. It has even entered the homes of ordinary people. As it is able to store and process a large amount of information, the computer bring about great convenience and high efficiency to people of all walks of life. Computers can help people in different ways. For example, computer help scientists in analyzing data and doing complex calculation. For another example, computers are made use of by engineers in designing a plane, or a spaceship. Besides, computers may also play a great role in helping children with their lesson. Whatever you are doing, you many find computer a useful aid. However, the computer must be designed and instructed by man. What is more, it is true that computers can make decisions, but they need detailed instructions and programs prepared by humans to operate. Therefore, the computer can never replace the human brain.

　　8. Travelling

　　It is exciting to visit different places. As you travel, you will see beautiful sceneries typical of the region. Besides, you can meet and make friends with people of different colors and races. Finally, you can get to know the customs and living habits of the local people. Today people are so fond of travelling that tourism has become one of the faster growing industries in most countries. The main reason why people travel is, perhaps, for pleasure. For example, having worked hard throughout the weekdays, people will find a widened trip to the nearby mountains or beaches a real relaxation. For another example, spending an annual holiday travelling abroad is an especially satisfying experience for those who do not have much of an opportunity to be away from their homelands. When people return from their travel, they will generally feel fresh and energetic, ready to work harder. Travelling is also one of the best means for learning. You may have read or heard about something but you can never get an accurate picture of it until you see it for yourself. Seeing is believing. Furthermore, if you area careful observer, you can learn much during your travel about the geography, biology, and history of the places you visit. No matter how well educated you are, there is always a lot for you to learn through travelling. The knowledge acquired from travel, as you will have found in your life, is no less valuable than that from any influential reference book.

　　9. The World Population Explosion

　　The human race has experienced a consistent increase in population since the beginning of its history. Famine and disease have done little to offset(抵消)this steady increase. Too many people are added annually to the population of the world. So both the causes of population increase and the results of having more people are worth careful study. Culture evolution is the major factor responsible for population increase. Early in human development, people invented tools to hunt animals. Later they built shelters to protect themselves. Step by step, they made life easier. As a result, fewer died from natural forces, such as harsh climate and disease. In the past, when population grew, there was unexplored territory to inhabit. But now, almost all the habitable land has been explored. The world's population may reach 8.7 billion in 2033. It is clear that world population is a serious issue that needs careful attention. Human beings are unique to solve problems through cultural evolution.(发展) Facing the world population explosion in the near future. We must carry out the birth control program in order to save the mankind and save the world.

　　10. Opening-door Policy is the Only Way to Make China Strong. Modern Chinese history leads us to the conclusion that socialism, not capitalism is best for China. But how a socialist China should look at capitalism and more importantly, make use of the better side of capitalism for its own advantage is of vital(至关) importance to the country. As far as our country's economic construction is concerned, taking advantage of the part of capitalism that is useful to us means we need to develop foreign trade, introduce advanced technology and better management, and make use of foreign funds. It also means we can absorb some of the economic theories, and make use of those economic policies, methods and measures that comply with(遵循) the law of mass production and a commodity economy. By opening our windows wider to the outside world, people can learn more about other peoples and learn to make sensible judgments. Absorbing the better part of the cultures of other people to enrich ourselves is the best way to safeguard our socialist culture. So taking advantage of capitalism and stepping up economic reforms is the only way to make China strong. Closing the county to international exchanges will only keep it weak.