— _______. Robots will help people a lot.
A:Yes, they will
B:Yes, there will
C:No, they won't
D:No, there isn't
某品牌服装原价173元,连续两次降价x%后售价价为127元,下面所列方程中正确的是( )
下图为“我国华北地区某城市房价等值线图”。读图回答下面小题。