根据中国证券登记结算有限责任公司证券账户管理规则，投资者证券子账户可以包括（）。I.

一张长方形桌子的长是150cm，宽是100cm，现在要设计一块长方形桌布，面积是桌面的2倍，且使四周垂下的边宽是xcm．根据题意，得（　　）

A．（150+x）（100+x）=150×100×2

B．（150+2x）（100+2x）=150×100×2

C．（150+x）（100+x）=150×100

D．2（150x+100x）=150×100

阻塞性肺气肿（）

A.以阻塞性通气障碍为主

B.以限制性通气障碍为主

C.混合性通气功能障碍

D.以弥漫性障碍为主

E.以呼吸中枢功能障碍为主

因为大搞武汉建设，武汉市委书记阮成发今年年初有了一个外号，叫做“满城挖”。提起武汉今年的年度汉字，阮成发仍然选择了“挖”，这与他坚持的理念是分不开的，因为这几年武汉的城市建设虽然取得了很大成绩，但是今后几年仍然处于大建设阶段，因此城市建设不能有丝毫满足。材料中“挖”字体现的文化生活的道理有： [ ]

①精神活动离不开物质载体

②文化对经济社会发展起促进作用

③中华文化博大精深

④“挖”决定着武汉市的发展

A．①③

B．①②

C．②③

D．③④

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.

登高平台消防车液压油油量，当整车处于行驶状态时，液压油油位应处于液位计的（）

A.100以上和110之间

B.90以上和110之间

C.80以上和110之间

D.100以上和120之间