皮皮学，免费搜题
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【单选题】
文化从一个社会文化共同体传输到另一个社会文化共同体指的是（）A.
文化传递
B.
文化传播
C.
文化交流
D.
文化更新
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】以下哪些因素会影响驾驶舱交流的顺利进行
A.
公司的营运政策、公司企业文化以及态度
B.
飞行技术的好坏、机载设备以及气象条件
C.
过于自信、过强的依赖心以及过强的权力欲
【简答题】请阐述数据准备、数据选择、数据预处理、数据减缩、数据挖掘、模式解释、知识评价各个阶段所做的工作。
【单选题】During November 2012, gasoline prices were falling, which made travel by car less expensive, but air fares remained as high as ever. If income is unchanged and air travel is a normal good, _________.
A.
the substitution effect is an increase in car travel and the income effect is a decrease in car travel
B.
both the substitution and income effects decrease car travel
C.
the substitution effect is an increase in car travel and there is no income effect on car travel
D.
both the substitution and income effects increase car travel
【单选题】Which of the following events could shift the demand curve for gasoline to the left?
A.
The income of gasoline buyers rises, and gasoline is a normal good.
B.
The income of gasoline buyers falls, and gasoline is an inferior good.
C.
Public service announcements run on television encourage people to walk or ride bicycles instead of driving cars.
D.
The price of gasoline rises.
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