句型转换：（共4小题；每空0.5分，计5分）

小题1:They’d like to buy her a present. (一般疑问句)

_____________ they _____________ to buy her a present?

小题2:Uncle Li sends e-mails to his friends. (改否定句)

Uncle Li ____________ ____________ ____________ to his friends.

小题3:The girl in red is my little sister. (对划线部分提问)

____________ girl ___________ _____________ little sister?

小题4:Dad always has lots of things to do. (改为同义句)

Dad____________ always _____________.

下列关于“语言”的说法，不正确的一项是（）。

A.语言就是人们说出来的话

B.语言是一种有声符号系统

C.语言系统由多个子系统组成

D.语言是人类最重要的交际工具