| Any mistake made in the printing of a
stamp raises its value to stamp collectors. A mistake on one inexpensive postage
stamp has made the stamp worth a million and a half times its original
value. The mistake was made more than a hundred years ago in the British colony of Mauritius, a small island in the Indian Ocean. In 1847 an order for stamps was sent to a London printer. As a result, Mauritius was to become the fourth country in the world to issue stamps. Before the order was filled and delivered, a ball was planned at Mauritius’ Government House, and stamps were needed to send out the invitations. A local printer was told to copy the design for the stamps. He accidentally inscribed (记下) the words "Post Office" instead of "Post Paid" on the several hundred stamps that he printed. Today there are only twenty-six of A. most stamp collectors like the mistake made in printing B. the mistake was made more than a hundred years ago C. the mistake was made in the British colony of Mauritius D. the stamp became rare and with a long history [单选题]磨煤机的热风管道内积聚煤粉,易发生()事故。
A.风量减小 B.爆炸 C.风道不畅 [多选题]火灾情况下建筑倒塌事故特点？（）
A.事故发生突然，难以预防。 B.事故危害加剧。 C.救援行动艰难。 D.事故发生突然，正在紧张施工的人员难以预防瞬间发生的灾害。 [多项选择]Which three options represent IDP policy match conditions? （）(Choose three.)
A. service B. to-zone C. attacks D. port E. destination-address [判断题]过滤的目的是将沉淀与母液分离。通常过滤是通过滤纸或玻璃砂芯漏斗或玻璃砂芯坩埚进行。
A.正确 B.错误 [简答题]YJ-02-2021
[多选题]3.109.第109题
通用操作系统必需的安全性功能有（） A.用户认证 B.文件和I／0设备的访问控制 C.内部进程间通信的同步 D.作业管理 [单项选择]根据相关规定，自营贷款期限最长一般不得超过l0年，超过l0年应当报（ ）备案。
A. 中国人民银行 B. 中国银行业监督管理委员会 C. 国务院 D. 中国工商银行 我来回答: 提交
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