About 270 million people in rural areas in China have no to safe drinking water.
A. entrance
B. access
C. solutions
D. sources
网友回答
A. entrance
(答案→)B. access
C. solutions
D. sources
解析：考查名词辨析，entrance入口，access接触，solutions解决方案，sources来源，句意：在中国的乡下大约两亿七千万人没有接触到安全饮用水。故选B。