How men first learned to invent words is unknown; (21) , the origin of language is a mystery. All we really know is that men, unlike animals, somehow invented certain (22) to express thoughts and feelings, actions and things, (23) they could communicate with each other; and that later they agreed (24) certain signs, called letters, which could be (25) to represent those sounds, and which could be (26) Those sounds, whether spoken (27) written in letters, we call words.
The power of words, then, lies in their (28) —the things they bring up before our minds. Words become (29) with meaning for us by experience; (30) the longer we live, the more certain words (31) to us the happy and sad events of our past: and the more we (32) , the more the number of words that mean something to us (33)
Great writers are those who not only have great thoughts but a
A. in addition
B. in other words
C. in a word
D. in summary
| Questions 61-70 are based on
the following passage. While some international {{U}}couriers{{/U}} are showing signs of exhaustion, EMS (Express Mail Service), the generic name for the courier services of post offices, seems to be finding its {{U}}stride{{/U}}. Known as Datapost in Britain, as Chronopost in France, and as A1-Barid al-Mumtaz in Saudi Arabia, EMS is now second in the international courier business (jointly with TNT Skypack). Last year it delivered 5.6 million i A. general mail service B. persons sending mails C. emergency mail service D. international mail service [多选题]三管三必须是指（）。
A.管行业必须管安全 B.管业务必须管安全 C.管生产经营必须管安全 D.管生产经营必须管效益 [单选题]遇有特殊情况，可由经鉴定、考试合格取得调车长资格的（ ）代替。
A.胜任人员 B.调车长 C.连结员 D.制动员 [判断题]规模较大、危险性较高的易燃易爆物品、危险化学品等危险物品的生产、经营、储存、运输单位应当成立应急处置技术组,实行12小时应急值班。( )
A.正确 B.错误 [单项选择]二尖瓣关闭不全时不出现哪项（）
A. 左房扩大 B. 左室扩大 C. 肺动脉增宽 D. 室壁活动增强 E. 室壁活动减弱 [单项选择]测得某市某年200名7岁男童的身高（cm），为了直观地了解这200个定量数据的分布情况，有人把它们编制成频数分布表，从表上看出资料呈正态分布。此时，若想绘制统计图，应选择（）
A. 直方图 B. 半对数线图 C. 线图 D. 条图 E. 百分条图 [判断题]堵漏密封胶在管道、阀门套管接头或管道系统连接处出现极少泄漏 的情况下使用。( )(易)
A.正确 B.错误 [单选题]Ⅱ级及以上的探伤人员应持相关专业证书和（ ）方可独立从事探伤工作。首次取得Ⅱ级资格证书的探伤人员应经过铁路局车辆主管部门、工厂考核合格后方可上岗作业。
A.学历证 B.上岗证 C.身份证 D.工作证 我来回答: 提交
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