【单选题】—Does your Chinese teacher a big nose? —No, he a small one. [ ]
【简答题】将数组 $info 的信息进行遍历输出。采用手动逐个输出和自动遍历输出两种方式。
【简答题】You are a teacher. Another teacher Mr. Wong has given your class a wonderful demonstration yesterday. Write a letter to thank him for his great performance and express your appreciation.