对活髓牙牙体缺损修复治疗的首要原则是()
A.恢复面形态与咬合关系
B.保存与保护牙体牙髓组织
C.恢复解剖外形与功能
D.恢复轴面形态
E.恢复邻接关系
参考答案:B
半导体检测器只能用来测量γ辐射。
If a lease is capitalized rather than expensed (an operating lease) the firm's net income will:()
A. decrease over the life of the lease.
B. remain constant over the life of the
lease. C. increase over the life of the lease.