按照进化论的观点,人类是从动物中分化而出的,其中最为突出的一个特征便是直立行走。那么,又是什么促进了他的直立呢?通常所说“劳动创造了财富”,难道最早的人是为了财富才去劳动吗?诸如此类的问题可以接连提出很多,恐怕找不出直接的因果,因为人的各部器官都是相关的,但又可分出远近和主次,现代科学以为大脑的作用最为重要,然而在最初的过程中却是手和手的 According to the theory of evolution, human beings are differentiated from animals. One of the most prominent features is the upright walking. So, what is the promotion of his upright? What is commonly said as “labor has created wealth”, did the earliest man go to work for wealth? Problems such as these can be raised many times one after another, I am afraid that no direct cause and effect can be found, Because all parts of the human body are related, but can be separated from the distance and primary and secondary, modern science that the most important role of the brain, but in the initial process is hand and hand