搜题请搜索小程序“爱下问搜题”
问题 单项选择题

在颞下颌关节紊乱综合征发病的多因素中，主要致病因素是（）。

A．人类关节进化的解剖结构减弱和关节运动类型、灵活性和范围的增加之间的矛盾

B．单侧咀嚼；夜磨牙和白天紧咬牙

C．关节软骨中封闭抗原的暴露

D．关节内持续的微小创伤和精神心理因素

E．不良姿势造成头颈部肌链的肌张力不平衡

答案

参考答案：D

单项选择题 A1型题

单纯性高热惊厥的特点不包括（）

A.有明显的遗传倾向

B.惊厥多为部分性发作

C.惊厥持续多在10分钟之内

D.有年龄特点

E.发作后神经系统检查无异常
查看答案
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.
查看答案