干流与支流的区分（指标）往往依河流水量的大小、（）、流域面积和河流发育的程度等来决定
题型：填空题
问题：
干流与支流的区分（指标）往往依河流水量的大小、（）、流域面积和河流发育的程度等来决定，但有时也根据习惯来决定。
题型：填空题
Look, read and write. （看图读句子，找出与句子内容相符的图片）
( )1. Every weekend, Zhang Peng climbs mountains with his friends.
( )2. Chen Jie often flies a kite in spring.
( )3. John's birthday is March 14th.
( )4. Peipei eats dinner with her parents at 7:00.
( )5. Wu Yifan is a good boy. He usually washes dishes after a meal.