What do we learn about existing medical knowledge and skills in the world?A.They are adequ

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What do we learn about existing medical knowledge and skills in the world?

A.They are adequate.

B.They have not been updated.

C.They are not equally distributed.

D.They have benefited most of the blind.

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答案解析

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  • 正确答案:C
    根据第一段最后两句Withexistingmedicalknowledgeandskills…whiledevelpingcountriesdonot.可知发达国家的技术更先进,能够给盲人带来更多的帮助,但是发展中国家并没有这样的技术,说明技术的分布并不公平。故选C。