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演示肾脏触诊。

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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.
(1)

某公司总股本1000万股,目前股票价格42元。公司为激励管理层,给他们发放了9万份认购权证,并规定在今后的3年内,每年年末可以执行认购权证的1/3,在上一年未执行的认购权证可以累计到下一年一并执行。第一年年末,每张认购权证按40元的价格购买一股普通股,以后每年年末执行价格递增10%。假设管理层认为只要执行认购权证能获利便立即执行。未来3年年末的股票价格分别为48元、39元、52元。
要求:计算该公司管理层执行认购权证的获利情况。

用标幺值法求下图各元件电抗标幺值。(Sj=100MV.A，Uj=6.3kV)

设如题13图所示，试求系统在最小运行方式下各短路点的三相短路电流。