反映疾病严重程度的指标是
A.发病率
B.死亡率
C.感染率
D.病死率
E.生存率
参考答案:D
下列哪些内容是城市总体规划的强制性内容( )
A.基本农田保护区
B.土地使用强度管制区划和相应的控制指标
C.地下矿产资源分布地区
D.城市建设用地的发展规模和开发强度
E.城市各类绿地的具体布局
A quarrel _____ last Sunday, and he _____ his family. [ ]
A. was broken out; broke away
B. broke out; broke away from
C. was broke out; broke away from
D. broke out; broke away