【正确答案】Dear Sir or Madam,
I greatly appreciate this survey organized by your Office. [1]As a resident in this community, I am writing to contribute to the improvement of the community security.
I commute to my downtown company from Monday to Friday. Most of the time, I am not at home. [2]Therefore, it would be comforting if outsiders' entrance to this community is strictly controlled. [3]For example, security guards should ask outsiders to register and issue them with temporary entrance tags.
[4]I hope my advice would be of any help to your work and I am looking forward to seeing a safer community!

【答案解析】这是一篇典型的“分析+建议”型作文，要求考生向小区物业管理处写一封信，为如何改善社区治安献计献策文章结构力求清晰明了、重点突出。根据题目要求，信件应当在开头点明写信目的；接着从社区居民的角度为如何改善社区治安提出自己的具体建议；结尾提出希望建议能被采纳，同时对社区治安进行展望。 [1]As a resident in this community点明写信人身份，说明建议的重要性。 [2][3]用Therefore点明因果关系，以亲身体验表明社区治安的重要性，同时以For example举例的方式就如何改善社区治安给出建议。 [4]以I hope…以及I am looking forward to…向收信人表达自己的希望及展望。