患者,男性,17岁,左下6深龋。可复性牙髓炎行盖髓术后应何时复诊()。
A.5~6天
B.1~2天
C.3~4天
D.2~3周
E.1~2个月
参考答案:D
起重指挥信号(GB5082-85)对现场指挥人员和起重司机所使用的()和有关安全技术作了统一规定。
That ebook is no longer an ordinary book with a screen ________ you can read novels. [ ]
A. in which
B. of which
C. that
D. where