【简答题】Which of the following characterizes the traditional communities? A) Great mobility. B) Concern for one’s neighbors. C) Emphasis on individual effort. D) Ever-weakening social bonds.
【简答题】疏松结缔组织的纤维成分包括胶原纤维、()和网状纤维。
【单选题】让幼儿根据不同就餐行为进行讨论,总结出正确的就餐姿势,从而完善自我行为,这一方法属于哪一种?