121°E比120°E [ ]
A、区时早
B、区时晚
C、地方时早
D、地方时晚
答案:C
There____a banana and two apples on the table.[ ]
A. is
B. are
C. have
D. has
患者,男,28岁,左下6面深龋,诊断为可复性牙髓炎。对该患牙的最佳处理是()
A.玻璃离子充填
B.银汞合金充填
C.氧化锌丁香油酚糊剂安抚
D.复合树脂充填
E.聚羧酸锌黏固剂充填