题目

甲、乙两物体的质量之比是3∶2，比热容之比是1∶3，它们吸收相同的热量，则甲、乙两物体的升高温度之比是__________。 答案：2：117、He sat in the classroom with his eyes ______on the blackboard. A. fixed                    B. fixing                 C. were fixed         D. were fixing