题目

衡量城市化水平的主要指标是（    ） A．城市人口占总人口的比重                B．城市用地占土地总面积的比重 C．城市经济总量占区域经济比重            D．城市数量占区域聚落数量的比重 答案：AShe told me she wanted to ________ her two o’clock appointment in order to take care of her sick.A.have broken downB.have broken outC.have broken inD.have broken up