人教社新编高二英语上册同步辅导(Units 9～10)

Unit9 Saving the earth 1.20％ of the people on earth do not have access to clean drinking water.地球上20％的人无法得到干净的饮用水。此处on earth＝on the earth在地球上。accessn.不可数名词］进入(的道路)，通道；能接近，了解，使用(权)。例如：The only access to the cottage is a dirt road.只有一条土路通向那间农舍。Access to the town was across anarrow bridge.进城的路经过一座很窄的桥。