厂内线路的最小半径是()
A、300
B、180
C、250
D、300
参考答案:B
— What are you going to do tomorrow?
— I'm not sure. I ____ make a trip to Hangzhou with my girl friend. [ ]
A. may
B. maybe
C. will
D. must
已知一组数据:3,3,4,4,5,6,6,6,这组数据的中位数是______.