标签：话题作文 话题 英语四级作文
字数：1500字
提要：How to Solve the HousingProblem in Big Cities四种可能解决住房问题的方案：1. 多造高层建筑2. 向地下发展3. 建造卫星城4. 疏散城市人口 The population on earth is increasing rapidly, and with the developmcnr of modern industry, more and more people are flowing into cities. So, the housing problem in big cities is becoming more and more serious. There have been many suggested solutions to this problem. A..