可摘局部义齿缺牙数目较少时,应考虑()
A.基托蜡型适当加大
B.基托蜡型适当减小
C.不需要制作唇侧基托
D.基托蜡型适当变薄
E.基托蜡型适当加厚
参考答案:B
用描述法表示二元一次方程x-y=0的解集为______.
---What a large and bright room ! Is it a classroom?
---No, It _____ the students’ reading-room.
A.refers to
B.stands for
C.is supposed to be
D.is meant for