①可提高农村土地资源的利用效率  ②是解决“三农”问题的根本途径

③有利于改变土地性质，激发活力  ④有利于推进中国特色城镇化建设

根据首字母写单词。 
Today is the f____day of your holiday.
Don’t w____  the baby up. She is sleeping.
He is playing c____ games.
—How often do you go to the library?      —Three t____  a week.
How long can I k____ it?
Wang Jing usually t____  a bus to school.
Mike wants to rent a fully f____house.
If you p____ in the wrong place, you’ll get a ticket.
She usually w____ TV in the living room.
The teacher is waiting for us. Let’s go to the t____  room.

已知关于x的方程(a－1)x²－2x+1=0有实数根,则a的取值范围是(      )