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搜题
【多选题】
边际效用呈递减规律,但也有边际效用并不递减的特殊情况,如A.
嗜酒的酒徒在消费酒时酒的边际效用
B.
人们吃饭时每碗饭的边际效用
C.
一个集邮爱好者搜集的邮票的边际效用
D.
一个口渴的人在饮用水时水的边际效用
E.
一个肚子饿的人在吃包子时包子的边际效用
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反馈参考答案：
举一反三
【单选题】Questions 16 to 18 are based on the following passage.
A.
Their physical health improves.
B.
They are not productive.
C.
They suffer from depression.
D.
They have more time for friends and family.
【单选题】在windows7中要更改桌面背景图案应通过______。
A.
在“桌面”右键单击，选择小工具
B.
在“资源管理器”的“工具”菜单中选择“文件夹选项”。
C.
在“计算机”的“文件”菜单中选择“属性”
D.
在“控制面板“中双击”个性化“图标
【单选题】Questions 16 to 18 are based on the following passage.
A.
Because friends and family are jealous.
B.
Because they have less time for friends and family.
C.
Because friends stop inviting you to social events.
D.
Because you don’t answer your phone.
【简答题】必需脂肪酸中的亚油酸的碳原子数为 个,不饱合键数目为 个。
【简答题】通常计算机根据其性能用途分为5类有: ____,____,____,____,___
【单选题】Questions 16 to 18 are based on the following passage.
A.
Colors that match your unique features and character.
B.
Colors that they like.
C.
Colors that you have never used.
D.
Colors that are in style.
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