题目

His wonderful performance helped him e(赢得，博得) his place on the team. 答案：【1】earn下列四个函数：①y=|tanx|，②y=lg|x|，③，④y=2x，其中是偶函数，又在区间（0，1）内增的函数的个数是（ ）A．0B．1C．2D．3