根据句意及首字母提示完成单词。

1. This is my mother's s ______. She is my aunt.

2. My father's brother is my u______.

3. My father's mother is my g ______.

4. Meimei is my good f______, but we aren't in the same school

工程建设定额按编制程序和用途可分为( )。

A．施工定额

B．预算定额

C．概算指标

D．材料消耗定额

E．劳动消耗定额