知识问答
最佳答案：As the technology of modern society develops,e.g.the automobiles bring convenien
最佳答案：Modern social science and technology more and more developed, for example: the c
最佳答案：In the end of 70's last century,we could only go out by foot,by bike or by bus,b
最佳答案：1 electrical energy saving2 garbage classification3 Little use bill, to use the
最佳答案：Based on people's living and producation, this artical summerizes some documents
最佳答案：I like traveling around,the development of modern vehicle makes daily go-out con
