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问题 多项选择题

计量标准文件集应做到（）。

A．每项计量标准都应当建立一个文件集，适用时，文件集要包括《计量标准技术报告》等18个方面的文件

B．计量标准文件集的目录中应当注明各种文件保存的地点和方式

C．文件集中的所有文件均应归档，并永久保存

D．申请考核单位应当保证文件的完整性、真实性和正确性

答案

参考答案：A, B, D

单项选择题

建安工程直接费由（）组成。

①人工费

②管理费

③材料费

④税金

⑤施工机械使用费

A.①②③

B.②③④

C.①③⑤

D.②④⑤
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填空题

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.
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