Tuantuan and Yuanyuan are little cute pandas all of us like them.
A:such; as
B:so; that
C:such; that
D:so; for
设二次函数f(x)=ax2+bx+c(a,b∈R)满足条件:①当x∈R时,f(x)的最大值为0,且f(x﹣1)=f(3﹣x)成立;②二次函数f(x)的图象与直线y=﹣2交于A、B两点,且|AB|=4
(Ⅰ)求f(x)的解析式;
(Ⅱ)求最小的实数n(n<﹣1),使得存在实数t,只要当x∈n,﹣1时,就有f(x+t)≥2x成立.
塔里木河与世界第二大沙漠塔克拉玛干沙漠合拢,疯狂地吞shì____