(Ⅰ)求f(x)≥11的解集;
(Ⅱ)设函数g(x)=k(x﹣3),若f(x)>g(x)对任意的x∈R都成立,求实数k的取值范围.
—He is tall with straight and black hair.
碳元素与氧元素的本质区别是( )