1、 BACKStudent Use of Computer l1、 上图所示为1995年，2000年，2007年某大学生使用计算机 的情况， 请描述其变化；l2、 请说明发生这些变化的原因（可从计算机的用途，价格或社会发展等方面加以说明）； l3、 你认为目前大学生在计算机使用中有什么困难或问题。199520002007246810121416182019671977198719972007110386The advantages of A far outweigh its disadvantages. The advantages of A are much greater than thos
2、e of B.Just as every coin has two sides, everything has its advantages and disadvantages. Evidently, it has both negative and positive effects.nSecurity issue may sound clichd, but when it comes to the campus security, we have to take it seriously. Nearly every day, there are reports to the security
3、 office on campus that valuable things are stolen away. A surrounding with stealing, mugging cant be worse for studying. In such cases, what measures should be taken to improve the campus security? nOn the one hand, we students should strengthen our security awareness. Once we smell out something un
4、usual, we should report it to the campus guard immediately. On the other hand, more equipment such as monitors should be installed on campus so as to detect crimes as soon as possible. Besides, a proper amount of security guards should be arranged to patrol the campus. nIn my opinion, campus security will be improved as long as efforts are made on campus. Therefore colleges and universities should try their best to make everyone on campus safe and sound.（总结观点段）
