第1题: [单项选择]What happened to the city after the mass move A. Housing costs decreased. B. Crime rate was much lower than before. C. All business moved out. D. Cities declined. 参考答案:D 答案解析:是非判断。题干:在大规模的转移之后,城市发生了什么变化 根据原文“…many cities began to fall into disrepair.Crime began to soar,...ho