题目

Mrs. Brown wants ________ a party ________ her daughter. A . to have; to B . to have; for C . having; to D . having; for 答案：B10．在冰块熔化成水的过程中，下列说法中正确的是（　　）A．质量不变，体积不变，密度也不变B．内能减小，温度下降C．质量不变，体积变小，密度变大D．内能增大，温度上升