大学英语四六级写作背诵范文精选21篇(3)_大学英语写作

大学英语四六级写作背诵范文精选21篇(3)

　　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.