题目

完形填空阅读下面短文，掌握其大意，然后从各题所给的选项中，选出一个最佳选项，填在题前括号内。1970 was the World Conservation(保护)Year. Everyone must know that the world is in danger.   1   is one example of the  2  .At one time there were 1,300 different kinds of trees and flowers in Holland(荷兰),but now only 866 remain(继续存在),  3  have been destroyed by modern man. We are changing the earth, the air and the water, and    4 that grows and lives. If we go on like this , we shall destroy ourselves.   What will happen in the f关于热量、温度、内能之间的关系，下列说法正确的是A. 物体温度升高，内能增加 B. 温度高的物体含有的热量多C. 物体内能增加，一定吸收了热量 D. 0℃的冰没有内能