一个小球被抛出后，距离地面的高度h（米）和飞行时间t（秒）满足下面函数关系式：$h=-5{\left(t-1\right)}^2+6$，则小球距离地面的最大高度是（  ）.

距离地球最近的两颗行星是（　　）

A：Hey,Rita!What is your new school like?

B：It's big and nice．

A：____

B：Yes,it does．

A：____

B：We must get to school before 8：00 a．m.We can't eat in the classroom．

A：____

B：Yes．we do.

A：____

B：No,we can't．

A：____

B：Very good．I think they're good for us．

A：Do you have fun at your new school?

B：Yeah!