探诊慢性溃疡性牙髓炎时应为()。
A.洞底硬,不敏感
B.洞内探到穿髓孔,痛
C.洞内有红色肉芽组织
D.无一正确
E.探洞底有大量腐质,软
参考答案:B
—Is the baseball under the bed?
—_____, I can't see (看见) it. [ ]
A. No, they aren't
B. Yes, it is
C. No, it isn't
D. Yes, they are
关于突发性聋治疗正确的是()。
A.扩张血管改善微循环
B.营养神经药物
C.激素治疗
D.抗血栓
E.高压氧治疗