翻译句子 （共5小题，每小题2分，满分10分）
小题1:他们习惯乘火车旅游
小题2:顺便问一下，你去过苏州几次了？
小题3:张老师自从25岁时就在这所学校教书．
小题4:我们班级有32个男生和23个女生
小题5:他和他父母一星期联系一次
小题1:They are used to traveling by train.
小题2:By the way, how many times have you been to Suzhou?
小题3:Mr. Zhang has taught in this school since he was 25years old.
小题4:Our class is made up of 32boys and 23girls.
小题5:He keeps in touch with his parents once a week.
题目分析：
小题1:be used to doing sth习惯于做某事，by train乘坐火车。结合汉语可知填They are used to traveling by train.
小题2:By the way顺便问一下，how many times几次。结合汉语可知填By the way, how many times have you been to Suzhou?
小题3:since自从，后跟时间点、过去式的短语或句子，是用现在完成时态的标志，结合汉语可知填Mr. Zhang has taught in this school since he was 25years old.
小题4:be made up of 有……组成，结合汉语可知填Our class is made up of 32boys and 23girls.
小题5:once a week,一星期一次，keep in touch with保持联系，结合汉语可知填He keeps in touch with his parents once a week.
考点:考查句子翻译。