在抵抗元朝统一过程中的英雄人物是( )
A:岳飞
B:关羽
C:文天祥
D:韩世忠
It is dangerous for teenagers to give out too much about themselves on the Internet.
(Ⅰ)求函数h(x)=f(x)•g(x)在﹣1,1上极值点的个数;
(Ⅱ)令函数p(x)=f'(x)•g(x),若∀a∈1,3,函数p(x)在区间b+a﹣ea,+∞上均为增函数,求证:b≥e3﹣7.
是____.