请用英语翻译以下句子.语法错误的不要.1.我们很开心你作为交换生来到我们学校开始一个新的学期. 2.如果你来到我们学校.

1. We are opening you as an exchange student in our school started a new semester 再答： 2. If you come to our school
再答： 3. You may encounter some troubles in life
再答： 4. The weather here and diet are different from your city. But I believe it. You will soon get used to
再答： 5. The students are very friendly, they all want to know the world outside.