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问题 多项选择题

下列关于玻璃幕墙说法正确的是（）。

A.玻璃幕墙是国内外目前最常用的一种幕墙

B.玻璃安装时，每块玻璃下部应不少于3块弹性定位垫块

C.弹线工作以建筑物轴线为准，依据设计要求先将骨架位置弹到主体结构上，以确定竖向杆件位置

D.玻璃幕墙与主体结构连接的钢构件一般采用三维可调连接件

E.立柱先与连接件连接，连接件再与主体结构预埋件连接并调整、固定

答案

参考答案：A, C, D, E

解析：本题考查的是建筑工程施工技术。玻璃安装时，每块玻璃下部应不少于2块弹性定位垫块。

填空题


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.

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多项选择题

钝器所致损伤可表现为：（）

A、贯通性伤创

B、表皮剥脱

C、挫伤

D、中空性皮下出血

E、骨折
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