A:墨家
B:道家
C:儒家
D:法家
My brother was born _____ the morning of July 8th, 2005.
设a,b,c∈(0,+∞),则三个数a+1b,b+1c,c+1a的值( )
下列有关扁形动物特征的描述错误的是( )