| Throughout history, people have been
interested in knowing how language first began, but no one knows exactly where
or how this happened. However, we do know a lot about languages, the languages
of today and also the languages of earlier times. There are probably about three
thousand languages in the world today. Chinese is the language with the most
speakers. English, Russian and Spanish are also spoken by millions of people. On
the other hand, some languages in the world have less than one hundred
speakers. There are several important families of languages in the world. For example, most of the languages of Europe are in one large family called Indo-European. The original (最初的) language of this family was spoken about 4,500 years ago. Many of the present languages of Europe and India are modern forms of the language of 4,500 yea A. Chinese B. English C. Spanish D. German [单项选择]（）是记录车辆信息，并能和ETC专用车道设备进行通讯的车载设备。
A. OBU B. CPU C. RSU D. MTC [单选题]《铁路进站乘车禁止和限制携带物品的公告》（铁总运〔2015〕355号）规定，属于枪支、子弹类是（ ）。
A.发令枪 B.催泪枪 C.电击器 D.电击枪 [单选题]对于本行信用卡的过期卡或超过( )个月无人认领的本行卡,一律在柜台经理(现金中心主任)监督下对磁条进行损毁,对卡片作剪角或打孔处理,如为IC卡需同时破坏芯片中间位置1/2-1/3处,同时在《自动柜员机吞卡登记簿》上进行销毁登记。
A.1 B.3 C.6 D.9 [判断题]( )508.建设行政主管部门或者其他有关部门对建设工程是否有安全施工措施进行审查时, 不得收取费用
A.正确 B.错误 [单选题]单位质量的某物质,温度升高或降低1K时,所吸收或放出的热量称这种物质的()
A.焓 B.比热 C.显热 D.潜热 [单选题]排水泵站沉井的基本要求有（）。
A.水泵、管及管件应安装牢固，位置正确 B.排水层应采用石质坚硬的较大粒径填筑，以保证排水空隙度 C.砌体内侧及沟底应平顺 D.基础缩缝应与墙身缩缝对齐 [判断题]超声波发出的声波频率主要是由晶片的厚度决定的。
A.正确 B.错误 [单选题]收费系统中的功能菜单下的票据管理包括（）。
A.票据购买 B.票据录入 C.票据作废 D.以上全部是 [单选题]禁止()停、送电。
A.同时 B.约时 C.分时 D.按时 我来回答: 提交
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