某同学学习了中国近现代史后，设计了如下阶梯示意图。认真阅读图表，结合所学知识，回答问题。

There __________ a football match the day after tomorrow.

   0.4×0.8×125×25=____

选择合适的单词补全短文。

teacher;   man;  girl;  father;  woman

    Look! This is my family. The old ____ is my grandpa. And this is my ____. He is a teacher. The ____ in red is my mother. She is a ____, too. Who's that ____? Guess! Haha, it's me.

一个完整的生态系统，其组成应包括