关于紧急避孕，错误的是（）。 A.月经中期要求紧急避孕的妇女可以在120小时内放置带

A Sports体育运动
Many animals engage in play，but homo sapiens is the only animal (1) have invented sports.Since sports are an invention，a part of culture (2) than an aspect of nature，all definitions of sports are somewhat arbitrary. (3) sports are a human universal found in every known culture or a (4) unique to modern society depends upon one’s definition of sports.Men and (5) have always run，jumped，climbed，lifted，thrown， and wrestled，but they have (6) always performed these physical activities competitively. Although all literate societies seem to (7) contests of one sort or another in which men， and sometimes women， (8) in displays and tests of physical skill and prowess，sports may be (9) defined as physical contests performed for their own sake and not for (10) ulterior end.According to this strict definition，neither Neolithic hunters nor contestants (11) religious ceremonies such as the ancient Olympic Games were engaged in sports. (12) on the stipulation that sports must be performed for their own sake (13) the paradoxical elimination of many activities which are usually thought of as (14) ，such as exercises done for the sake of cardiovascular fitness，races run (15) satisfy a physical education requirement，ball games played to earn a paycheck. (16) definition also means abandonment of the traditional usage in which"sport，"derived (17) Middle English disporter，refers to any light hearted recreational activity.In the. (18) of some 18th- century aristocrats，a game of backgammon and the seduction of (19) milkmaid were both considered good sport，but this usage of the term (20) become archaic.

如果长方形ABCD的对角线的交点与平面直角坐标系的原点重合，且点A和点B的坐标分别为（-3，2）和（3，2），则该长方形的面积为            [ ]

A.32  

B.24  

C.6  

D.8

根据《电力可靠性监督管理办法》的有关规定，电力企业负责全国电力可靠性的监督管理。

电力起爆网路的导通和电阻值检查应使用哪些测量仪表？（）

A.电雷管测试仪

B.爆破电桥

C.万用表

D.普通欧姆表

根据《城市污水处理及污染防治技术政策》中关于“污泥处理的有关技术和要求”，以下不符合要求的是( )。

A．日处理能力在10万立方米以下的污水处理设施产生的污泥，可进行堆肥处理和综合利用
B．达到稳定化和无害化要求的污泥可供农田使用
C．城市污水处理产生的污泥可采用卫生填埋方法处置
D．日处理能力在10万立方米以上的污水二级处理设施产生的污泥，宜采取好氧消化工艺进行处理