“这是人类最后一粒米了。”奥巴马博士沉重地说道。他的声音传到世界各地,这个棘手的问题让人们变得措手不及,城市陷入一片恐慌之中。“怎么办,以后生活没有米了,该怎么办啊!”忽然有人惊呼。人群中也传来阵阵叹息,大家表情凝重,似乎到了世界末日。当人们各个都忧心忡忡,各自想着临危而逃的最佳解决方案时,奥巴马博士经过深思熟虑,郑重地说道:“请大家把自 ”This is the last grain of mankind. “ Dr. Obama said heavily. His voice reached all over the world, a thorny issue that caught people unprepared and the city in a panic. ”What to do, after living without rice, how to do ah!" Suddenly someone exclaimed. The crowd also came bursts of sigh, everyone dignified look, it seems to the end of the world. When people are all worried and thinking about the best solution to their dying situation, Dr. Obama said thoughtfully and solemnly: