— . In my opinion, it can help you become a person full of love.
A:You are right
B:Not really
C:That's a good idea
D:Believe or not
优美的生活环境和健康的生活方式是人们所追求的,但雾霾现象时有发生.下列与我们健康生活有关的说法中,不正确的是( )
已知等差数列{an}的前三项依次为x﹣1,x+1,2x+3,求这个数列的通项公式.