1. 阅读材料，选择正确的答案，并按要求完成介绍。

How many kids are in your family? Do you have a brother? Do you have a sister? Let's look at the survey results (调查结果) of how many kids are in a family.

One- child (孩子) family   4

Two- child family             5

Three- child family          2

Now many families have two or three children (孩子们). Mary is in a two- child family. She has (有) a sister. They have fun together.

1. （1） The most (最多的) families are the ______ families in the survey.

   A . one-child B . two-child C . three-child
3. （2） How many families are in the survey?

   A . Ten. B . Five. C . Eleven.
5. （3） Mary has ______.

   A . a brother B . a sister C . two sisters
7. （4） 请你根据自己家庭的实际情况, 补全下面的介绍。

   I am in a- child family. My family members (成员) are and me.