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问题 单项选择题

旅行社接受旅游者的委托，收取代办费用为其代订餐饮旅游服务，出现怎么样的情形由旅行社应当承担赔偿责任？（）

A、旅行社过错

B、旅游者过错

C、餐饮公司过错

D、景点过错

答案

参考答案：A

单项选择题

男性，48岁，突发胸痛，怀疑急性心肌梗死，下列对心肌梗死的诊断最可靠的是（）

A.ST段抬高

B.冠状T波

C.aVR导联呈QS型

D.CPK-MB

E.肌钙蛋白
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单项选择题

After 5 days of hospitalization, the client who is receiving morphine sulfate for pain control asks for more pain medication with increasing frequency and exhibits increased anxiety and restlessness. His physical condition is stable. What is the probable cause of his behavior（）

A. His morphine dosage is too high.

B. His coping mechanisms are exhausted.

C. He is becoming addicted to the narcotic.

D. He has developed tolerance to his narcotic dosage.
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