下列哪些行为属于违约用电行为。（）A.擅自超过计划分配的用电指标用电 B.私自超过合

脊柱结核并发截瘫的主要原因是什么?

计算：（-a+2b）（a+2b）=（    ）。

补写出下列名句名篇中空缺的部分。（任选3小题作答）

（1）________________，________________，不抚壮而弃秽兮，何不改乎此度？（《离骚》）

（2）榆柳荫后檐，桃李罗堂前。________________，________________。（《归园田居》）

（3）使负栋之柱，________________，________________，多于机上之工女。（《阿房宫赋》）

（4）________________，举匏尊以相属。寄蜉蝣于天地，________________。（《赤壁赋》）

根据《社会救助暂行办法》，对获得最低生活保障后生活仍有困难的老年人、未成年人、重度残疾人和（），县级以上地方人民政府应当采取必要措施给予生活保障。

A.孕妇

B.失独人员

C.重病患者

D.多胞胎产妇

Sociology is a social science that studies (1) societies, their interactions, and the processes that (2) and change them. It does this by (3) the dynamics of constituent parts of societies (4) as institutions, communities, populations, and gender, racial, (5) age groups. Sociology also studies social status (6) stratification, social movements, and social change, as (7) as societal disorder in the form of (8) , deviance, and revolution.
Social life overwhelmingly regulates (9) behaviour of humans, largely because humans lack (10) instincts that guide most animal behaviour. Humans (11) depend on social institutions and organizations to (12) their decisions and actions. Given the important (13) organizations play in influencing human action, it (14) sociology’s task to discover how organizations affect (15) behaviour of persons, how they are established, (16) organizations interact with one another, how they (17) , and, ultimately, how they disappear. Among the (18) basic organizational structures are economic, religious, educational, (19) political institutions, as well as more specialized (20) such as the family, the community, the military, peer groups, clubs, and volunteer associations.