假设你是李华,正通过e-mail向你的笔友Mary交流校级班规，请你根据下面的提示介绍下面的“班级公约”。
1.准时到校，穿校服，见到老师问好
2.上课专心(concentrative)勤思考，作业认真按时交
3.教室保洁常打扫，离班熄灯关门窗
4.和谐相处应友爱，互相帮助共进步
一.审题
体裁
说明文
话题
以“介绍规则”为话题
时态
一般现在时
人称
第一人称
二.文章布局
开头:引出话题 I'd like to introduce my class rules to you.There are...
文章段落结构
正文：详细介绍
First...Second....Third.... ......
结尾：总结评价 These rules are really good for us. It's our duty to follow them.
三.遣词造句
①词汇库
介绍introduce;规则rule;应该should;期待suppose/expect;有用的useful;遵循follow;校服uniform;问候greet;到达arrive;活跃的active;认真地carefully;记住remember;进步progress
②短语箱
到校arrive at school;准时on time;in order to为了;do homework做作业;get along well with相处融洽;turn off关闭;make progress取得进步;be supposed/expected to理应做...; be allowed to do允许做...
③链接句型
1. I'd like to introduce my class/home rules to you.
2. Teenagers should be allowed to choose their own clothes.
3. We are supposed /expected to arrive in school on time.
4. It is+adj.+for us to do......
5. Do you think teenagers should be encouraged to make their own decisions?
6. I think these rules are really useful. It's our duty for us to follow them.
四.作文模板
I'd like to introduce my class/home rules to you. There are_______ rules as follows.
First, we should___________________. Second, we need to be___________. Third, it is necessary for us to__________.Then, we are supposed to_________________. At last, we are expected to__________.
I think these rules are really___________. It's our duty to follow them.
五.参考范文
Dear Mary,
I'd like to introduce my class rules to you.There are several rules as follows.
First, we should arrive at school on time in uniforms. It's polite to greet teachers whenever we meet them. Second, we are supposed to be concentrative and active in thinking in class.Besides, it's necessary to do homework carefully and hand in homework on time.Third,we need to clean our classroom in order to keep it tidy and clean. Also, we should remember to turn off the lights and close the windows when we leave the classroom.Fourth, we are expected to get along well with our classmates and help each other to make progress together.
I think these rules are really useful. It's our duty for us to follow them. What about yours? Li Hua
【例文2】
目前街头出现了越来越多的猫与狗，对此“中学生英语报”组织了一场讨论：城市内是否可以饲养宠物。假设你叫李华，你班的讨论结果如下。请你根据下表所提供的信息，给报社写一封信，介绍讨论情况，并说明自己的观点和建议。
60%支持饲养宠物, 陪伴孤寡老人,人与动物和谐相处，增添生活情趣
40%反对饲养宠物,造成环境污染,吵闹声，甚至伤人……