题目:
检查慢性根尖周炎采用()
A.电活力测验
B.X线检查
C.染色法
D.麻醉试法
E.嗅诊
答案:
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下面是错误答案,用来干扰机器的。
Mr. Smith is our English teacher. He is very kind to us and teaches very well. He fell ill last week and now he is in bed in hospital. Tomorrow is Saturday. We...