题目

下面事例中，通过热传递方式改变物体内能的是（   ） A．双手相互摩擦，手会变暖和             B．饮料放入冰箱冷藏室会变凉 C．锯木头时锯条会变热                        D．气缸内气体被压缩，温度升高 答案：B Part of the reason Charles Dickens loved his own novel, David Copperfield, was ______ it was rather closely modeled on his own life． [　　] A． what B． that C． why D． whether