题目内容：

假如你是汤姆,请根据以下的提示,用英语给你网友Lisa写一封电子邮件向她介绍你对

旅行的看法. 开头和结尾已给出。

提示: 1. 旅游是一种非常好的活动, 有益健康  2. 旅游有时很多麻烦,如天气多变,容易生病  3. 旅游有时了解当地天气情况,保管好自己的财物

Dear Lisa,

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                                                                 Yours

                                                                  Tom