| Every profession or trade, every art,
and every science has its technical vocabulary, the function of which is partly
to designate things or processes which have no names in ordinary English, and
partly to secure greater exactness in nomenclature. Such special dialects, or
jargons, are necessary in technical discussion of any kind. Being universally
understood by the devotees of the particular science or art, they have precision
of a mathematical formula. Besides, they save time, for it is much more
economical to name a process than to describe it. Thousands of these technical
terms are very properly included in every large dictionary, yet, as a whole,
they are rather on the outskirts of the English language than actually within
its borders. Different occupations, however, differ widely in the character of their special vocab A. Jargon is more precise and specific. B. Jargon saves time. C. Jargon is familiar to almost everybody. D. Jargon designates unusual things and processes. [单项选择]典型胆囊结石的声像图特征是：①囊内出现单枚或多枚团块状强同声；②强同声团可随体位改变而移动；③强回声团后方伴有声影；④胆总管扩张（）。
A. ①②③ B. ①③ C. ②④ D. ④ E. ①②③④ [判断题]对轨道检查车查出的Ⅲ级偏差且车辆动力学指标超限处所立即处理。
A.正确 B.错误 [判断题]发售实名制车票时，购票人可使用有效身份证件原件或复印件购买车票，也可以持乘车人的有效身份证件原件或复印件替乘车人代购车票。
A.正确 B.错误 [单选题]（ ）是一个国家、一个民族发展中更基本、更深沉、更持久的力量。
A.道路自信 B.理论自信 C.制度自信 D.文化自信 [简答题]菲利普教授认为产品可分为哪五个层次？
[多选题]中队（站）日常制度包括（ ）。
A.行政会议内务设置汇报 B.登记统计请假销假查铺查哨 C.留营住宿点验交接 D.接待证件和印章管理保密 [单选题]外出旅游季节性较强的旅游者是（ ）旅游者
A.差旅型 B.消遣型 C.个人及家庭事务型 D.商务型 [单选题]垄断厂商面对的需求曲线（ ）
A.比完全竞争厂商的更加水平 B.和市场需求曲线一样 C.总是低于边际收益曲线 D.用来确认利润最大化的产量 我来回答: 提交
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