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
正确答案：A
答案：A
[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(temperateareas)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
