大学英语四级是大学生第一个要攻破的证书，其难度和高考英语相差无几，但也不能掉以轻心。本文是小编帮大伙儿整理的四级优秀英语作文（3篇），欢迎参考。
Disposable plastic bags were once widely used in China. When we went shopping at supermarkets and departments stores, shopping assistants often provided free plastic bags for our convenience. For a while, life without them seemed unimaginable for most of us.
However, disposable plastic bags do bring severe damage to our environment. Costumers usually threw them away after use, and because they are thin and hard to decompose, these plastic products will exist for a long time. This is an immediate threat to our earth and water.
Nowadays, the government has passed relevant regulations for limiting the use of disposable plastic bags: they are not free any more. In some shopping places, in order to invoke the public awareness of environmental protection, plastic bags are offered in a much higher price. As a result, people are changing their behavior: paper and clothing bags that vanished for a long time come back to our daily life. It is true that by limiting its usage, everyone in this society contributes some effort to the improvement of the environment.
On Open Policy
The open policy means that our country is open to investment, trade and technical and economic cooperation with other countries on the basis of equality and mutual benefit. The purpose of open policy is to acquire advanced technology, management skills to serve our socialist construction so as to promote the realization of the four modernizations.
We must adhere to the open policy. Because economic relations between states today have become increasingly close, and no country can possibly advance behind close doors. Only in this way, can we gradually close the gap between our country and the developed countries.
Through the implementation of policy, we can learn advanced technology and managerial expertise from abroad; make full use of the foreign capitals to set up great enterprises; absorb useful? and healthy ideas and new knowledge of the modern civilization; and broaden our views and raise our level of competence.
1. 盗版软件比比皆是
2. 盗版软件猖獗的原因
3. 如何打击盗版软件
● 审题概述●
这是一篇主要论述盗版软件猖獗原因和打击盗版软件的措施的文章。第一段，概述中国盗版软件泛滥的情况。第二段，重点分析盗版软件猖獗的主要原因。第三段，侧重阐述打击盗版软件的措施。
【范文】
It’s Time to Stop Software Piracy
China has often been criticized for the rampant practice of software piracy. Take a look around. We operate on pirated Windows systems, defend PC security with pirated Kaspersky anti-virus programmes, process files with pirated Microsoft Office, draft 3D designs with pirated AutoCAD, refine pictures with pirated Adobe Photoshop, and study English with pirated Kingsoft’s electronic dictionaries and translators. It’s no exaggeration that pirated software is everywhere.
The logic behind the phenomenon is simple and clear: if a pirated copy is available for just a tiny fraction of the normal price, not to speak of many of the free downloads online, who would pay for an authentic copy? Cheaper prices aside, easy access is another important factor. With such a large gathering of pirated upgrades around, who would bother to spend time and money searching the stores for an authorized yet outdated version?
Despite these apparent benefits, the practice of software piracy should be banned, because it represents unfair competition and by nature it’s a no-win situation. But how? Two approaches are to be taken at the same time: Technically, software developers should enhance their antipiracy engineering, so that cracking the software should be virtually impossible. And legally, the government should also tighten its antipiracy laws and toughen up the penalties, so that violations should be costly.
◇第一段思路点评：概述中国盗版软件泛滥的现状。
◇语言点提示：
the rampant practice of software piracy猖獗的盗版软件
◇第二段思路点评：论述盗版软件猖獗的原因。
◇语言点提示：
（1）downloads online 在线下载
（2）authentic copy正版
◇第三段思路点评：阐述打击盗版软件的具体做法，包括软件商和政府采取的应对措施。
◇语言点提示：