题目

—______________________?— Orange, I think.  A. How is the food?   B. Is there any fruit around here?    C. What is it?        D. What color do you think it is. 答案：D 学校图书室有9个同样的书柜，每个书柜有4层，平均每层放250本书。学校图书室每个书柜摆放了多少本书？