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the area of the Amazon rainforest has been dwindling year by year and many species there are endangered. In short, we have only one Earth. On no account could we exploit natural resources excessively.Hence, it is imperative for us to cherish and protect the nature for the benefit of future generations and ourselves. Only in this way can we preserve a beautiful, harmonious, abundant and varied world.篇三:英語作文5篇Selfhelp Traveling of College StudentsSo called selfhelp traveling refers that travelers themselves arrange travel route, travel time,and all the other matters during travel, without any guide and team leader. Nowadays this kind of traveling model is gaining more and more popularity among college students. According to the survey, over 80% of college students prefer selfhelp traveling to following a tour group.Why are college students so fond of selfhelp traveling? Above all,selfhelp traveling gives travelers more freedom and space. College students don’t like being restricted. They want to arrange their travel as they wish. Moreover, selfhelp traveling provides college students a good chance to improve their adaptability and viability. Besides, the expenses in selfhelp traveling are controlled by travelers themselves. It is a good choice for those college students who have not much money for their disposal.As a college student,I enjoy selfhelp traveling very much, and I have benefited a lot from it. For one thing, I have appreciated many amazing scenery that those travelers who follow tour groups can not. For another, selfhelp travel helps me learn how to deal with people better.Shopping on the internetNowadays with the ever rapid development and increasing popularity of the information technology ,shopping on the internet has been a fashion especially among the youngsters.Online shopping has made our daily life more convenient and fortable. For example , shopping on the internet can save students a great deal of time on the way between home and store, so they would be able to concentrate more time and energy on their academic work. The internet has shorten the distance between manufacturers and consumers and thus we can even buy goods in other countries .On the other hand , lack of the face to face deal makes online shopping less reliable and trustworthy. What’ s more the delivery will increase the risk of items’ damage.In my opinion, shopping on the internet is a irreversible trend. More and more