题目

The head of the World Health Organization （WTO） yesterday warned of worsening health in the country's vast rural areas while praising the government for its commitment on improving healthcare in the countryside.  “The health indicators have failed to improve in pace with economic indicators.” said Margared Chan when addressing a conference on rural primary healthcare in China.  “The health gap between rural and urban areas has grown even wider and health in parts of rural China is  deteriorating（恶化）,”she said, adding medical costs are rising faster than the growth of per一个几何体按比例绘制的三视图如图所示（单位：m）则该几何体的体积为（ ）m3．．A．B．C．D．