在“乃今食不过上农,年不逮中寿”中,“逮”之义为()
A.逮捕
B.及
C.追
D.过
参考答案:B
若点P(1-m,2+m)在第一象限,则m的取值范围是______.
---_________ does he take this medicine?
---Twice a day.
A.How long
B.How often
C.How soon
D.How much