阅读下面的材料,自选角度,自拟题目,写一篇文章。长跑途中,儿子不时地对爸爸抱怨跑得很辛苦。跑到江边,儿子看见逆水而游的鱼,又开始借题发挥:“这些鱼真傻呀,逆水而游,多辛苦。”“可他们正在享受快乐呢!”爸爸说。“明明很辛苦,怎么会快乐呢?”儿子嘟哝着。“他们享受的是奋斗的快乐啊!”爸爸说。“顺水而行,不是更安逸、更舒适吗?不是可以享受一种更大的快乐吗?”儿子反驳说。“你看见那片枯叶了吗?”爸爸指着漂流在江面上的一片枯叶说,“它就在顺流而下……”(2014年重庆中考B卷作文) Read the following materials, self-selection angle, self-question, write an article. During his long run, his son ran very hard on his father from time to time. Run to the river, the son saw the fish swim against the water, began to borrow the title to play: “These fish are stupid ah, swim against the water, more hard. ” “But they are enjoying it! ” Father said. “Obviously very hard, how can we be happy?” Son murmured. “They enjoy the joy of fighting ah! ” Dad said. “Is not it easier and more comfortable to walk down the water, not to enjoy a greater happiness?” Son retorted. “Did you see that dead leaf?” “Father pointed at a dead leaf floating on the river and said,” It goes down ... "(B 2014 Chongqing Text)