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问题 单项选择题

泪点和泪管完全缺如，应采用的治疗方法是()

A．泪道探通或扩张术

B．鼻腔泪囊吻合术

C．睑缘切开术

D．结膜-泪囊-鼻腔吻合术

E．沮囊逆行硅胶插管

答案

参考答案：D

选择题

My cousins _______ me and ask me what I was doing when I was studying in Canada.

A．used to ringing

B．were used to ring

C．were used to ringing

D．used to ring
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名词解释

菌物（真菌）
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