今天,人类已经离不开能源了。我们出门要坐车,车需要动力;我们回家要煮饭,煮饭需要热量;我们上班要生产各种物品,生产需要电力。总之,人类的所有活动,甚至包括娱乐、享受,无不需要能源的支撑。你想过没有,若没有能源了,动力全部停止,我们会是什么样子?20多层的高楼若没有电梯,人们要每天爬上爬下;路上若没有交通工具,上下班几十公里的路程要走来 Today, mankind can not do without energy. We go out to the car, the car needs power; we go home to cook, cook need calories; we go to work to produce a variety of items, production needs electricity. In short, all human activities, including entertainment, enjoy, all without the support of energy. Do you think no, if there is no energy, power all stopped, what would we look like? 20 multi-storey high-rise without elevator, people should climb up and down every day; on the road if there is no transport, work tens of kilometers away Want to come