四级写作练习.ppt
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1、CET 4 写作,Fire Prevention on Campus 前段时间校园火灾频发,造成生命和财产损失 分析火灾发生的原因 作为学生,如何预防校园火灾发生,(1)People are alarmed by the succession of campus fires in recent years. In each of these accidents, heavy casualties were reportedhouses were burned down, students lost their lives, and properties were damaged. Faced
2、with such a chilling fact, people keep asking, “What on earth results in these repeated tragedies?”,(2)A brief survey of them reveals that human factors still prove to be the leading causes. For example, three of these fires were caused by the students use of electric water-heaters. As students ofte
3、n leave the heaters unattended, the risks are rather high. In other cases, fires were also caused by stoves, candles, cigarette butts, etc.,(3)Since most of these disasters could have been prevented if proper precautions had been taken, students should be better educated on the importance and measur
4、es of fire control. The following three reminders are of particular importance for us students: First, learn how to use a fire extinguisher. Second, double-check candles, heaters, stoves and other electric appliances, and make sure there are no open flames before leaving rooms. Lastly, do not smoke
5、in the dorm.,Enhance Awareness to Guard against Campus Thefts 校园盗窃案件时有发生 物品被盗的原因 学生如何加强防盗意识,(1)“If you dont want to wake up and find you have no pants to wear, youd better put them on in sleep,” goes a popular joke among students. Obviously, campus thefts have become increasingly annoying as they oc
6、cur far more often than before. And it seems that the thieves are less choosy these days, with their targets ranging widely from bikes, cell phones, purses, pre-paid IC cards to sunglasses, bags, and even underwear. In short, anything that worth a dime is likely to be stolen.,(2)What makes students
7、the easy targets? The reasons are not hard to find. But I believe of all these reasons, the lack of anti-theft alertness is the most important one. For lack of alertness, the students tend to leave the doors and windows wide open during sleep at noon or at night in summer. For the same reason, theyl
8、l also leave their bikes unlocked outside a store or by a road, or forget to take away their personal stuff before they go out of the classroom to make a phone call. These acts undoubtedly have increased their exposure to the light-fingered monsters.,(3)In order to minimize possible losses, the stud
9、ents must stay on guard in the first place, as awareness of the thefts around often makes a big difference. To be more specific, the students should not hide any tempting amount of cash in the dorm. Put it in the bank instead. Besides, do not leave any valuable items unattended. Take them wherever y
10、ou go. In addition, its advisable to develop a neighbourhood watch programme with other students in the dorm and neighbouring dorms.,How Will Our Life Go on without Internet? 网络提供给了人们丰富多彩和便捷的生活 很多人开始感觉离开网络寸步难行 你对网络依赖症的看法,(1)If asked whether the Internet is the greatest discovery of the 20th century,
11、 my answer would be yes. The Internet has drawn the world closer together, realized countless incredible dreams, and provided modern people with a great many conveniences and a brilliant life.,(2)Today, many people simply feel they cannot live without the Internet. Governments publish their latest p
12、olicies and decisions online for worldwide recognition. Political campaigns are often done online to gain wider public support. Companies and enterprises resort to the Internet for more business opportunities and potential customers home and abroad. Universities and researchers turn to the Internet
13、if theyd seek international cooperation or funding. Common folks like us also rely on the cyber world in various ways, for communication, entertainment, banking and shopping.,(3)The power of the Internet is all pervasive, yet its many negative effects are already visible. For example, Internet addic
14、ts tend to withdraw to their own fantasy world rather than communicate with a real person. Children are exposed to online pornography and violence. Internet frauds are an everyday occurrence. In view of all this, you are advised to use the Internet with wisdom. Keep it at a safe distance and never l
15、ose yourself.,Information Security 1. 信息安全问题日益重要 2. 信息安全事故可能导致的危害 3. 如何做到信息安全,(1)The human beings are stepping into the information society. The information industry develops very rapidly, so do the hackers, trick-playing teens, exploring children, fraudsters, and serious white-collar criminals. Thu
16、s, information security becomes an impending important issue.,(2)In case of information breach, the victims-government department, an organization or an institution, or a company will inevitably suffer great or small loss. Government may be threatened with national security. Companies may lose oppor
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