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问题 单项选择题

下列各项中属于酌量性固定成本的是( )。

A．直线法计提的固定资产折旧费

B．长期租赁费

C．直接材料费

D．广告费

答案

参考答案：D

解析： A、B属于约束型固定成本，C属于变动成本。

完形填空
请阅读题中的电视节目内容说明和A-E五个节目名称，把它们分别配对。
小题1:When you need help with your homework, go to the library. You may find magazines, newspapers, and big dictionaries there. They can always help you.
 
A. Money isn’t Everything.
小题2:For families with children, an important problem is to get the children away from TV and let them do their homework.
 
B. American Films
小题3:Even if you could buy the world, you couldn’t buy a happy family, good friends, or knowledge.
 
C. Farms in the future
小题4:The Lost World is an exciting American film. People, especially school students, may like it.
 
D. Study Tools
小题5:People will grow plants and vegetables in the sea in about 50 years.
 
E. Parents Trouble
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单项选择题

关于肝性脑病的论述，下列哪项不正确

A．乙酰胆碱是兴奋性神经递质

B．γ-氨基丁酸是抑制性神经递质

C．5-羟色胺为假神经递质

D．氨可干扰脑的能量代谢
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