A:1
B:3
C:6
D:9
About 200,000 ____ (游客) came to Tai'er zhuang Ancient Town during May 1 holidays. It's difficult to believe.
已知fx=log2x,x>0f(x+1),x≤0,则f-1=( )
①有价值取向就会实现人生的价值
②价值判断是在价值选择的基础上作出的
③价值观对人生道路的选择具有重要的导向作用
④有正确的价值追求才能经得起各种诱惑