乡村社会学从应用的角度看,其研究的内容包括()
A.乡村社会问题
B.乡村社会控制
C.农村社会保障
D.乡村社会现代化
E.乡村社会调查
参考答案:A, B, C, D
概述19世纪德意志统一的背景、过程和影响。
In this passage, inertia means ______
A.a situation in which no action is taken
B.a situation in which no progress is made
C.the feeling of someone not wanting to move or do anything
D.the force making an object stay at rest or continue moving