A-A+
The author is primarily concerned with ______.
问题详情
The author is primarily concerned with ______.
A．condemning the U.S. for its failure to provide better medical care to the poor
B．evaluating the relative significance of factors contributing to the poor health status in the U.S.
C．providing information that the reader can use to improve his or her personal health
D．advocating specific measures designed to improve the health of the U, S. population.
参考答案
正确答案：B
解析：文章第一句指出，对于美国这个世界上资源最丰富、最富有的国家来说，最糟糕的是：它不仅在健康状况上不处于领先地位，而且在世界排名很低。第二段第一句提到，影响健康状况的因素可以分成四类，据此人们可以对健康问题做出分析。一是人们生活的环境，二是人们的生活习惯，三是医疗保健服务，四是遗传因素对健康状况的影响。以下三段做了具体分析。可见，本文着重点在于分析原因。
