By saying that "the problems of mechanizing some areas are not only cultural in nature

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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 fanning tools are used in different cultures

参考答案:

AA[试题分析]推理题。[详细解答]意为：“某些地区未实现机械化是由于经济方面的原因”。最后一段指出，在某些地区实行机械化从本质上来看并不仅是个文化问题，例如：热带土壤和作物与温带(temperate areas)明显不同，所以，为温带设计的农具不能用于热带，必须加以改造。但是，实现机械化最大的障碍是：落后国家的农民害怕被机器代替(displaced)，因为会失去谋生手段。后者是经济原因。

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