单项选择题

In the tropical areas, ______.

A．mechanization is not yet used in agriculture
B．agriculture is accepted fastest
C．a lot of farm work is still done in the old way
D．mechanization is avoided to save primitive forest
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单项选择题
More can be learned about a culture from a study of art history than general history because art history ______.
A．shows us the religious beliefs and emotions of a people in addition to political values.
B．provides us with information about the daily activities of people in the past
C．gives us an insight into the essential qualities of a time and a place
D．all of the above
单项选择题
By saying that the problems of mechanizing some areas are not only cultural in nature, the author means ______.
A．mechanization is not yet introduced in some areas for economic reasons
B．human and animal labour in some areas are less expensive
C．culture is not a factor in obstacling the introduction of mechanization
D．different kinds of mechanized farming tools are used in different cultures
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