A:log0.72<log0.70.8<0.9﹣2
B:log0.70.8<log0.72<0.9﹣2
C:0.9﹣2<log0.72<log0.70.8
D:log0.72<0.9﹣2<log0.70.8
歌____ 庄____
砍____ 桩____
如果a>0,b<0,且a、b两数的和为正数,那么( )
甘薯,白菜堆放久了会发热的原因是( )