与胃-食管反流发生无关的因素为（） A.下端食管括约肌的肌细胞

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问题单项选择题 A1/A2型题

与胃-食管反流发生无关的因素为（）

A.下端食管括约肌的肌细胞缺如

B.括约肌屏障功能减弱

C.食管蠕动功能障碍

D.食管裂孔疝术后

E.食管闭锁术后

答案

参考答案：D

单项选择题

Serving is（）.

A.marline or ratline wound along the grooves of a rope

B.narrow strips of light canvas or cotton cloth spiral-wrapped along the rope

C.marline tightly wound on the rope by means of a board or mallet

D.a splice made by laying the strand of one rope into the vacated grooves of another rope

问答题简答题

古希腊庙宇的基本形制？