取下颌下腺导管结石最好采用什么麻醉（） A.局部浸润麻醉 B.下_爱下问搜题

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问题单项选择题

取下颌下腺导管结石最好采用什么麻醉（）

A.局部浸润麻醉

B.下牙槽神经阻滞麻醉

C.舌神经阻滞麻醉

D.表面麻醉

E.冷冻麻醉

答案

参考答案：C

填空题

选词填空。

Sunday tofu on eat who

1. What do you have ______________ Tuesdays?
2. ______________ fruit every day. It's good for ( 对……有好处) your health.
3. ______________ is your art teacher? Miss Li.
4. My favourite day is ______________. I can play computer games.
5. ______________ is healthy.

填空题

慢性泪囊炎的致病菌中以（）为最多，且最严重。