《清明上河图》描绘的是（）
A.北宋都城汴梁
B.东汉都城洛阳
C.唐都长安
参考答案：A
When I saw her again ten years later, she had changed a lot and looked different _____ she used to be. [ ]
A. what
B. from what
C. in what
D. from
什么是液体橡胶？与普通橡胶相比有什么优缺点？
