1. 近年来越来越多的民工涌入大城市
　　2. 产生这一社会现象的原因
　　3、你的看法

　　英语四级作文预测范文：

　　Why Are There So Many Rural Laborers in Big Cities?
　　 No one has failed to notice the phenomenon that there has beena steady rise in（稳定的增加）the number of rural laborers （农村劳动力）whoswarm into（涌入）big cities. Taking a look around，we can find that many men work on construction sites （建筑工地）, while many women work as cleaner in restaurants or babysitters （保姆）for city dwellers （城市居民）.　　

　　Ample（充分的，足够的）reasons canaccount for this social phenomenon. First and foremost, the limited land can no longer （再也不能）produce enough crops for an ever-increasing rural population，theyhave no choice but to flock into big cities to earn a living（谋生）.In the second place, it is widely accepted by the countryman（乡下人）that the larger the cities are，the greater the opportunities are （城市越大，机会越大），which means they have chance to work and live and raise their families with dignity(更多的机会去工作、生活,更体面地养活家庭). Last but by no means least, many of them want to livepermanently (永久的)in big cities, because they admire the way of living （生活方式）there, and also their children can receive better education.　{注：其实主要就是写大城市的好处}

　　Farmers' doing business and seeking jobs in cities is of multi-facet great significance to (多方面有重要意义) China's socioeconomic life. It is a main way totransfer rural surplus laborors（转移农村剩余劳动力）and a process toadvance urbanization (推进城镇化)，Without this step, urbanization would have no economic foundation （经济基础）. Accordingly, The great roles played by farmer workers in urban construction and development is indispensable (必不可少) and should not be neglected （不能被忽视）.