假定你是王伟，你的英国笔友戴维来信问及你们学校在暑假期间对学生的安全要求。请你根据以下要点给他回一封电子邮件。

●家庭安全：小心用火用电，外出时关好门窗；

●游泳安全：不独自去游泳，不去河、湖里游泳；

●交通安全：过马路要当心，不在马路上玩耍。

注意：1）词数80左右；

2）请不要逐句翻译，可适当发挥。

    Jack was careless and he was always having accidents. He paid no (注意) to what he was doing or where he was going. He was always in (麻烦) .

    A few months ago, a car hit him while he was on his way home from school. The driver was a bit tired, so he did not see Jack. And Jack was talking on his mobile phone and was riding in the middle of the road. He was hit by the car. He broke his leg and was in hospital for (几个) weeks.

    Last week, he (跌落) down into a hole in the park. As usual, he was not looking where he was going. He (设法) to climb out of the hole with the help of some people.

Then people sent him to hospital because he was in great (痛苦) . (幸运的是) , he did not break an arm or a leg. At the hospital, the doctors gave him some (医疗的) treatment and then he went home.

    I always (告诫) him to be careful before. But he did not listen to me. After the two accidents, he (许诺) to take my advice. Now he is much more careful than before.

—It's really(use) for English learners.