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【单选题】
当在文件列表中单击一个文件发生( )事件。A.
Click
B.
PathChange
C.
PatternChange
D.
Change
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】For a self-sufficient producer, the production possibilities frontier
A.
is the same as the consumption possibilities frontier.
B.
is greater than the consumption possibilities frontier.
C.
is less than the consumption possibilities frontier.
D.
is always a straight line.
【简答题】进口配额制主要包括绝对配额和()。 A关税配额 B全球配额 C协议配额 D国别配额
【单选题】A relationship that shows the technological possibilities for an economy as a whole is called a
A.
production function.
B.
utility possibilities frontier.
C.
production possibilities frontier.
D.
budget constraint.
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