( )
A:We'll stay in a hotel with a swimming pool.
B:We'll stay in a hotel by the road.
C:We'll stay there for two days.
若xy<0,则化简x2y的结果是( )
“滴自己的汗,吃自己的饭,自己的事情自己干,靠天、靠地、靠祖上,不算是好汉!”教育家陶行知的这句话给我们的启示是( )