题目

阅读下面材料，根据其内容回答后面所提问题或完成句子。 With more and more farmers coming to work in cities, their children follow them．However, problems appear．One of these problems is that it is difficult for these children get education in cities． Luckily, there are some free schools for them, but they are not enough．Ten-year-old Li Xin is one of the lucky girls who get a chance to study in one of these schools．Although she has to spend about two hours and change buses twice, she is very happy．As a child from a migrant worker’s （外来务工人员）fa11．下列关于人体常识的叙述中，不正确的是（　　）A．根据形态结构不同分类，人属于动物B．脑、脊髓、肺、血液等都是人体比较重要的器官C．人体有四大组织、八大系统D．人体各系统分别负责一项或几项生理活动，彼此独立、相互合作