Hello, everyone. Nice to meet you. It is my   1  day in the school. My first name is Jenny. My family   2  is Green. I’m   3  Class Two. My phone   4  is 886-3068. There are   5  people in my family, my parents, my two brothers and I. My brothers and I are   6  . We are in the same school. Look, this is my good friend.   7  name is Sally. She is   8  English girl. She is in Class   9  , too.   10  are in the classroom. We are talking happily.

小题1:A．first          B．last          C．middle

小题2:A．color          B．name          C．number

小题3:A．in             B．at           C．of

小题4:A．number         B．member      C．notebook

小题5:A．four           B．three        C．five

小题6:A．friends         B．sons          C．students

小题7:A．His             B．Her          C．She’s

小题8:A．a              B．an            C．the

小题9:A．One            B．Two            C．Three

小题10:A．Sally and me   B．I and Sally   C．Sally and I

（）负责定义信息的表示方法。

A.数据链路层

B.传送层

C.会话层

D.表示层