植物根尖吸收水分和无机盐最活跃的部位是( )
A:成熟区
B:伸长区
C:分生区
D:根冠
已知函数f(x)=fx-3,x>0ex+log28x+1×14-2,x≤0,则f(2016)=____
The little girl is fortunate to get help from so many strangers.