算一算,找规律。
10
11
12
13
14
15
-5
5
____
已知抛物线C:x2=8y的焦点为F,动点Q在C上,圆Q的半径为1,过点F的直线与圆Q切于点 P,则FP→·FQ→的最小值为____
—Have you heard of Zhang Lili? She was seriously hurt in an accident in order to save one of her students.
—__________ good teacher!