抗震设计的砌体承重房屋的层高最大值不应超过()
A.5.0m
B.4.5m
C.4.0m
D.3.6m
参考答案:D
某患者,右下第二前磨牙缺失,要求可摘局部义齿修复,牙合龈距3mm,以下最适宜的设计是()
A.合垫式义齿
B.双牙列义齿
C.金属面牙义齿
D.黏膜支持式义齿
E.硬质塑料牙和塑料基托义齿
---Let’s visit the old people’s house.
---______ my mother asks me to do homework at home?
A.Why
B.What if
C.Why not
D.How