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问题 单项选择题

女性，40岁，间断上腹痛3年，胃镜检查示黏膜充血水肿，红白相间，以红为主，黏液分泌增多（）

A.慢性浅表性胃炎

B.A型胃炎

C.B型胃炎

D.胃癌

E.十二指肠溃疡

答案

参考答案：A

单项选择题

20世纪末，人类开始进入（）。

A.电子时代

B.农业时代

C.信息时代

D.工业时代
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单项选择题

Several merchant ships are arriving at the scene of a distress incident. One of the them must assume the duties of the Coordinator Surface Search (CSS). Which of the following statements is TRUE?（）.

A.CSS duties are always assumed by passenger vessels，dry cargo vessels，or tankers in that order of precedence

B.The CSS must be established by mutual agreement between the ships concerned

C.A tanker should never be assigned CSS duties unless only tankers are present

D.The first vessel to arrive at the distress incident is designated as the CSS
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