A:436×104
B:4.36×105
C:4.36×106
D:4.36×107
(Ⅰ)求证:f(x)≥8恒成立;
(Ⅱ)求使得不等式f(1)>10成立的实数m的取值范围.
The _______ you work, the _______ grades you will get.