A:being concerned
B:concerned
C:be concerned
D:concerning
(Ⅰ)讨论函数f(x)的单调性;
(Ⅱ)已知h(x)= 2ex−1x +a,若x1,x2是f(x)的两个极值点,且∃m∈(0,2,f(x1)+f(x2)>h(m),求实数a的取值范围.
________ soccer in the street. It's too dangerous.