当前正是水痘（chicken pox）高发季节，校园里部分同学已经不幸感染，我们的学习和生活也因此产生了诸多不便。假设你在美国的笔友Jenny得知这个信息后非常担心你，来信询问你的身体情况。请你根据以下要点给他回信，告知我们学校的预防和控制措施，让他放心。
要点：
1.规则要求，人人遵守；
2.开窗通风，禁止扎堆；
3.规律起居，强身健体；
4.若有不适，立即就医；

要求：
1.字数：80-120词，开头和结尾已给出，词数不计算在内；
2.可适当发挥，但请注意语意连贯，逻辑合理；
3.书写工整，卷面整洁，词句疏密适当。
Dear Jenny，
    I heard from you yesterday. As you know， some of my schoolmates have suffered from chicken pox.
_________.
    Do you think these ways can help us prevent and control the illness effectively？ I'm sure they can. So don't be worried. I'll be OK.
Yours，
Yang Yang

【考点】书信类．

【答案】Dear Jenny，
    I heard from you yesterday. As you know， some of my schoolmates have suffered from chicken pox.Our school took some preventive ways.
First of all， everyone should obey the rules.This is very necessary.Second， often open a window ventilated， in order to ensure indoor air is pure and fresh.We can't go where there are too many people.Third， we should have good living habits.Try to go to bed early and get up early.Take more exercise in your spare time.Fourth， if you don't feel well， see a doctor at once.
    Do you think these ways can help us prevent and control the illness effectively？ I'm sure they can. So don't be worried. I'll be OK.
Yours，
Yang Yang