牙科铸造属于（）。A．陶瓷型芯铸造 B．精密芯块铸造 C．金属_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

牙科铸造属于（）。

A．陶瓷型芯铸造

B．精密芯块铸造

C．金属型铸造

D．石膏型铸造

E．熔模铸造

答案

参考答案：E

单项选择题

顽固而持续的腰背痛伴放射性神经根痛的疾病是（）。

A.佝偻病

B.脊椎退行性变

C.脊椎结核

D.强直性脊椎炎

E.脊椎肿瘤

选择题

— How come you still work here? I hear your company has bought a new office building.
— But the newly-bought building ____.

A. has decorated
B. is decorated
C. is being decorated
D. will be decorated