英语四级必备范文

1、On li ne Shopp ingOnline shopping, as an act of buying products and services over the Internet, is growing in popularity ever, which has been significantly shocking our lifestyles. Many individuals favor this kind of shopping because of its ease. But like any other n ewbor n device, people may uncon

2、 sciously expose themselves to the threat from it by in cauti on.For those who work for lengthy hours, the internet offers them much convenience. First of all, they do not have time to visit the store duri ng regular tradi ng hours, while on li ne retailers allows orders twen ty-four hours a day. As

3、 well, on li ne shopp ing gives the customers the facility to compare prices and features of the products tha nks to the detailed product description. In most occasions, the items are cheaper than online than in the conventional stores, making it an appeal to most people.While there are numerous adv

4、antages of online shopping, there are also threats and fears regarding this way of shopping. Information security is the key concern. Online payment may not be so secure because of identity theft. Another problem of online shopping is encountering misleading and false product information.In my viewp

5、o int, on li ne shopp ing is a double-edged sword. Buying on reputed on li ne stores is a good solutio n to en sure the pleasure and comfort of the internet shopp ing.Nothi ng Succeeds Without a Stro ng WillIt is uni versally ack no wledged that people cannot succeed or achieve their targets without

6、 a strong will and persiste nee. One of the most typical examples is that in prese nt-day society, a grow ing nu mber of people give up or fail to quit smok ing just because of their poor willpower duri ng the process. A variety of factors may acco unt for this phe nomenon as follows.For one thing,

7、no one can deny the fact that persistenee is the key point in accomplishing one' s task. It is of importarfor people to stick to their original aim. A great number of dragsters would stop smoking a couple of days after they have made their determ in ati on, but only a few of them may succeed in

8、the end. For ano ther, the people who cannot quit smok ing may easily be affected by his circumstance and surroundings. In that case, people tend to fail to resist various temptations around them.From what has bee n discussed above, we may safely come to the con clusi on that only by concen trati ng

9、 on the object and strong self-discipline can we obtain our goals successfully in the future.In formati on SecurityThe huma n beings are stepp ing into the in formati on society. The in formati on in dustry develops in creas in gly, so do the hackers, trick-play ing tee ns, explori ng childre n, fra

10、udsters, and serious white-collar crim in als. Thus, in formati on security becomes an impe nding importa nt issue.In case of information breach, the victims a government department, an organization or an institution, or a compa ny, will in evitably suffer great or small loss. Government may be thre

11、ate ned with n ati onal security. Compa nies may lose opport un ities to develop new projects. And the public ' s and users? con fide nce will be damaged.The n how to deal with this issue? Tech no logy is only a partial soluti on to in formatio n security. What ' s more importa nt is that or

12、ga ni zati ons and compa nies should promote the aware ness on in formatio n security to its staff. However, since no system can ever be 100 perce nt secure, a preve nti on-only approach to in formatio n security man ageme nt is n ot eno ugh. Compa nies and orga ni zati ons should adopt a dual appro

13、ach to in formatio n security man ageme nt by comb ining preve nti on and detect ion tech niq ues1.现在大学生宿舍几乎人手一台电脑2.有些人认为会促进学生的学习，有些人认为会影响学生的学习3.你的看法【范文】Computers in Students ' FlatsNowadays, an in creas ing nu mber of stude nts ' flats have computers in stalled in them. Computer prese nts a

14、 vivid world in front of stude nts. But there is no agreeme nt among people concerning the effects of computers in stude nts' flats.Some people contend that computers in stude nts ' apartme nts will have a bad in flue nce on their study .In flue need by each other, students will become indul

15、ged in computer games or surfing the Internet without paying more attention on study. However, others main tai n that computers in stude nts ' apartme nts will promote their study. If they encoun ter some problems about study, they can log on the Internet and search for related in formati on wit

16、hout going to ask for their | teachers freque ntly. |For my part, it is the most importa nt thing for stude nts to make proper use of the computers in dorms. While stude nts enjoy the convenience of computers, they should be alert to problems of computers. Addicted to play ing games or surfi ng aiml

17、essly on the Internet will do much harm. Otherwise, any attempt to use computer for study will end up as nothing but an empty dream.The place of Science and Tech no logy in Moder n LifeHuma n life can not con ti nue withoutscie nee and tech no logy. For many years, huma n society has developedwith t

18、he adva nee of scie nee and tech no logy while the developme nt of scie nee and tech no logy has in turn brought the process to mankind. So the life we are living now is more civilized than that of our fore fathers.The developme nt of scie nee and tech no logy have brought about many cha nges in peo

19、ple's life.For example,the inven ti on of televisi on and space rocket have ope ned a new era for mankind. Through the use of TV people can hear the sound and learn the events happening thousands of miles away. Owing to the invention of spaceship and rocket, the dream of man's landing on the

20、 moon has now come true.Science and tech no logy also play an importa nt role in our socialistcon structi on.Wemay say, our socialistcon structi on is just like a skyscraper, while scie nee and tech no logy are its base. Without the base, the skyscraper can't be built. Therefore, we should try o

21、ur best to con tribute to the developme nt ofscie nee and tech no logy so as to provide a more solid base to build our coun try.一、the + est + 名词 + (that) + 主词 + have ever + see n ( known/heard/had/read, etc)the most + 形容词 + 名词 + (that) + 主词 + have ever + see n ( known/heard/had/read, etc)例句： Hele n

22、is the most beautiful girl that I have ever see n.海伦是我所看过最美丽的女孩。Mr. Chang is the kin dest teacher that I have ever had.张老师是我曾经遇到最仁慈的教师。二、Nothing is +er than to + V Nothing is + more +形容词 + than to + V例句： Noth ing is more importa nt tha n to receive educatio n.没有比接受教育更重要的事。三、cannot emphasize the impo

23、rtanee oftoo much.再怎么强调.的重要性也不为过。例句：Wecannot emphasize the importa nee of protect ing our eyes too much.我们再怎么强调保护眼睛的重要性也不为过。四、There is no denying that + S + V .不可否认的.例句： There is no denying that the qualities of our living have gone from bad to worse.不可否认的，我们的生活品质已经每况愈下。五、It is universally acknowled

24、ged that +句子 全世界都知道.例句：It is uni versally ack no wledged that trees are in dispe nsable to us.全世界都知道树木对我们是不可或缺的。六、There is no doubt that +句子 毫无疑问的 . 例句： There is no doubt that our educational system leaves something to be desired. 毫无疑问的我们的教育制度令人不满意。七、An advantage of is that + 句子 . 的优点是 . 例句： An adva

25、ntage of using the solar energy is that it won't create (produce) any pollution. 使用太阳能的优点是它不会制造任何污染。八、The reason why + 句子 is that + 句子 . 的原因是 . 例句： The reason why we have to grow trees is that they can provide us with fresh air./ The reason why we have to grow trees is that they can supply fresh

26、 air for us. 我们必须种树的原因是它们能供应我们新鲜的空气。九、So +形容词+ be + 主词+ that + 句子 如此 以致于例句： So precious is time that we can't afford to waste it.时间是如此珍贵，我们经不起浪费它。十、 Adj + as + Subject 主词 + be, S + V 虽然 . 例句： Rich as our country is, the qualities of our living are by no means satisfactory. by no means= in no way

27、 = on no account 一点也不 虽然我们的国家富有，我们的生活品质绝对令人不满意。十一、 The + er + S+ V, the + er + S+ V The + more + Adj +S +V, the + more +Adj + S + V 愈 .愈.例句： The harder youwork,themore progress youmake.你愈努力，你愈进步。The more books we read, the more learned we become.我们书读愈多，我们愈有学问。十二、 By +Ving, can 借着 . ，. 能够 . 例句： By ta

28、king exercise, we can always stay healthy. 借着做运动，我们能够始终保持健康。十三、 enable + Object 例句： Listeningto music听音乐使我们能够感觉轻松。受词 +enable usto + V . 使. 能够 . tofeel relaxed.十四、 On no account canwe+ V我们绝对不能 . 例句： On no account canwe ignorethevalue of knowledge我们绝对不能忽略知识的价值。十五、 It is time + S +过去式 该是. 的时候了例句： It is

29、 time the authorities concerned took proper steps to solve the traffic problems.该是有关当局采取适当的措施来解决交通问题的时候了。十六、 Thosewho . 的人. 例句： Thosewhoviolate traffic regulationsshould be punished.违反交通规定的人应该受处分。十七、 There is no one but 没有人不 . 例句： There is no one but longs to go to college. 没有人不渴望上大学。十八、 be + forced

30、/compelled/obliged + to + V 不得不 . doing例句： Since the examination is around the corner, I am compelled to give up sports.既然考试迫在眉睫，我不得不放弃做运动。十九、 It is conceivablethat+ 句子 可想而知的It is obvious that +句子明显的It is apparent that +句子显然的例句： It is conceivablethatknowledgeplays an important role in our life可想而知，知

31、识在我们的一生中扮演一个重要的角色。二十、 That is the reason why 那就是 . 的原因例句： Summer is sultry. That is the reason why I don't like it. 夏天很燠热。那就是我不喜欢它的原因。二十一、 For the past + 时间， S + 现在完成式 . 过去 . 年来， . 一直 . 例句： For the past two years, I have been busy preparing for the examination. 过去两年来，我一直忙着准备考试。二十二、 Since + S + 过

32、去式， S + 现在完成式。例句： Since he went to senior high school, he has worked very hard. 自从他上高中，他一直很用功。二十三、 It pays to + V . 是值得的。 例句： It pays to help others.帮助别人是值得的。二十四、 be based on 以 . 为根底 例句： The progress of thee society is based on harmony. 社会的进步是以和谐为根底的。二十五、 Spare no effort to + V 不遗余力的例句： We should spare no effort to beautify our environment. 我们应该不遗余力的美化我们的环境。二十六、 bring home to + 人 + 例句： We should bring home to 我们应该让人们明白努力的价值。事 让 . 明白 . 事 people the value of working hard.二十七、 b