题目

_____ from other countries, sand painting is now being recognized in China for its uniqueness and creativity. A. Being imported B. To import  C. Imported D. Importing 答案：C 解析: 略我会列式计算．①520比839少多少？②154乘6再减去291，差是多少？③75除以8，商是多少？余数是多少？