如果关于x的不等式(a+2)x>a+2的解集为x<1,那么a的取值范围是( )
A:a>0
B:a<0
C:a>﹣2
D:a<﹣2
在图中,不同的线段的条数是( )
Some experts believed, and _______ did we, kids who reach adolescence still need at least nine hours' sleeping.