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问题 单项选择题 A1型题

肝性脑病的发病机制是（）

A.氨中毒

B.假神经递质

C.氨、硫醇和短链脂肪酸的协同毒性作用

D.氨基酸代谢不平衡

E.上述多种因素综合作用所致

答案

参考答案：E

单项选择题 A1型题

与情绪相比较，情感有（）。

A.短暂强烈的反应

B.明显的生理变化

C.明显的面部表情

D.明显的外在表现

E.稳定而深刻的特点
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单项选择题

Questions 24-30


·Look at the questions for this part.
·You will hear a passage about some types of advertising.
·For questions 24-30, indicate which of the alternatives A, B, or C is the most appropriate response.
·Mark one letter A, B or C on the Answer Sheet.

Advertising on radio continues to grow because ______.

A．more local radio stations have been set up

B．modern technology makes it more entertaining

C．it provides easy access to consurners
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