原有全口义齿的检查不包括
A.基牙情况B.行使功能C.人工牙排列D.咬合关系E.边缘密合性
参考答案:A
出现心房颤动时f波的频率多为()
A.200~400次/分
B.300~500次/分
C.350~600次/分
D.400~600次/分
E.400~650次/分
开放作文。
请根据下面提示,写一篇短文。词数不少于50。
In your spoken English class, your teacher shows you the following picture. You are asked to describe
the picture and explain how you understand it.
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