大學英語四級作文熱點話題參考練習

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　　part 1

Directions: For this part, you are allowed 30 minutes to write a short essay on the topic Environmental Protection. You should write at least 120 words following the outline given below.

1. 全球變暖對地球環境造成了很大影響

2. 引起全球變暖的原因

3. 我們需要採取的措施

　　【範文】

　　Environmental Protection

No one，regardless of race, religion or nationality, can deny that the world we live in is becoming increasingly intolerable because of the effects of global warming. According to many experts, even greater impacts are still on the way.

There are numerous causes for this problem. On one hand, human-related emissions of carbon into the atmosphere is causing, and will in the future cause, significant global warming according to the theory. On the other hand, the lack of knowledge about the importance of protecting environment hinders the solving of the problem.

It is urgent that immediate and effective actions should be taken right away. First, more trees need to be planted to help improve and beautify the environment. Besides, stricter laws concerning global warming and irresponsible use of fuel resources have to be put into effect and achieved good results. In a word, there is a long way to go before we can take a comfortable world for granted again .

　　part 2

Directions:For this part, you are allowed 30 minutes to write a composition on the topic : Information Security. You should write at least 120 words following the outline given below in Chinese.

1. 信息安全問題日益重要

2. 信息安全事故可能導致的危害

3. 如何做到信息安全

　　【範文】

　　Information Security

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. Thus, information security becomes an impending important issue.

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 opportunities to develop new projects. And the public’s and users’ confidence will be damaged.

Then how to deal with this issue? Technology is only a partial solution to information security. What’s more important is that organizations and companies should promote the awareness on information security to its staff. However, since no system can ever be 100 percent secure, a prevention-only approach to information security management is not enough. Companies and organizations should adopt a dual approach to information security management by combing prevention and detection techniques.