吃过晚饭,稍微休息了一会儿,我趴在自己的桌子上,开始做老师留下的作业,写一篇畅想未来的作文。我绞尽脑汁,苦思冥想,不知不觉中,我来到了“南柯”的世界里……天空乌云密布,空气中有着一股刺鼻的臭味,机动车道上没有一辆行驶的汽车……当我还惊异于这里的一切时,一群戴着防毒面具的行人已经把我围了起来,透过那一个个小空隙,我看到了人们那仿 After dinner, a little rest for a while, I lie on my desk, began to do the homework left by the teacher, write an essay imagining the future. I racked my brains, thinking hard, unconsciously, I came to “South Ke ” in the world ... ... cloudy sky, the air has a pungent odor, there is not a motor vehicle driving a car ... When I was still amazed at everything here, a group of pedestrians wearing gas masks surrounded me and, through that small gap, I saw people who imitated