题干
— did she go last Sunday?
— She went to a farm.
A：Where
B：How
C：Who
D：What
答案(点此获取答案解析）
A
— did she go last Sunday?
— She went to a farm.
A：Where
B：How
C：Who
D：What
在
上是
的减函数，则
的取值范围是
