在固定义齿连接体的制作中，焊接连接体时，前牙焊接面位于（）

A.邻面的1/2处，稍向切龈方向伸展

B.邻面的1/2处，稍向切方向伸展

C.邻面的1/2处，稍向龈方向伸展

D.邻面的中1/3处，稍向切龈方向伸展

E.邻面的中1/3处，稍向切方向伸展

Harry started a 6-mile hike with a full 10-cup canteen of water and finished the hike in 2 hours with 1 cup of water remaining in the canteen. If the canteen leaked at the rate of 1 cup per hour and Harry drank 3 cups of water during the last mile, how many cups did he drink per mil during the first 5 miles of the hike ？（）

A.A

B.B

C.C

D.D

E.E