| What is history Every historian would
agree, I think, that history is a kind of research or inquiry. Generically it
belongs to what we call the sciences: that is, the forms of thought whereby we
ask questions and try to realize, does not consist in collecting what we already
know and arranging it in this or that kind of pattern. It consists in fastening
upon something we do not know, and trying to discover it. Playing patience with
things we already know may be a useful means towards this end, but it is not the
end itself. It is at best only the means. It is scientifically valuable only in
so far as the new arrangement gives us the answer to questions we have already
decided to ask. That is why all science begins from the knowledge of our own
ignorance of some definite thing--the origin of life, the cause of cancer, the
chemical c A. it belong to genetics B. it puts known facts in one pattern or another C. it raises questions and seeks to answer them D. it collects facts already known [单选题]下列项目中,能证明油品发生化学变化的项目是( )。
A.密度 B.闪点 C.粘度 D.酸值 [多选题],乘务员按指定房间和铺位休息，不准在房间内饮酒、（ ）。
A.赌博 B.打牌 C.下棋 [多选题]使用兆欧表的注意事项有( )
A.( B.) C.( D.) E.( F.) G.( H.) [简答题]简述切丝机刀和刀门间隙的调整方法？
[单选题]《关于严格大风强降雨天气安全防范工作的紧急通知》要求，雷雨大风预警信号依据气象灾害可能造成的危害程度、紧急程度和发展态势一般用颜色分别表示为（ ）。
A.蓝色、黄色、橙色、红色 B.蓝色、绿色、紫色、红色 C.绿色、橙色、紫色、红色 D.绿色、蓝色、橙色、红色 [多选题]工作票由（ ）填写。
A.工作票签发人 B. 工作负责人 C. 工作许可人 D. 专责监护人 [简答题]上好一堂课的具体要求有哪些？
[单选题]在Linux系统中，如果要列出一个目录下的所有文件需要使用命令（）
A.ls -l B.ls C.ls -a D.ls -d [单项选择]下列一组花卉均属于短日照植物的是（）
A. 菊花、一品红 B. 一串红、翠菊 C. 三角花、三色堇 D. 扶桑、矮牵牛 [单项选择]After a 300 million yuan renovation project, Lidai Diwang Miao, or the Imperial Temple of Emperors of Successive Dynasties, was reopened to the public last weekend.
Originally constructed about 470 years ago, during the reign of Emperor Jiajing of the Ming Dynasty, the temple was used by emperors of both the Ming and Qing to offer sacrifices to their ancestors. It underwent two periods of renovation in the Qing Dynasty, during the reigns of emperors Yongzheng and Qianlong. From 1929 until early 2000, it was part of Beijing No. 159 Middle School. The temple’s Jingdechongsheng Hall contains stone tablets memorializing 188 Chinese emperors. The Jinzhuan bricks used to pave the floor, the same as those used in the Forbidden City, are finely textured and golden-yellow in color. According to Xi Wei, an official from the Xicheng District government present at the reopening of the temple, Jinzhuan bricks were made in Yuyao, Suzhou, specially for imperial use. The renovation A. The temple has a long history. B. The renovation of the temple was easy with modern technology. C. The bricks in the temple are not so valuable as those in the Forbidden city. D. The renovation was done according to the orders of Emperor Qianlon [单选题] 关于回路电流说法正确的是( )。
A.某回路中流动的电流; B.某网孔中流动的电流; C.回路的独占支路中流过的电流; D.回路中的电源电流。 [单选题]外加剂试验报告资料来源单位为（）单位。
A.施工 B.供货 C.检测 D.监理 [多选题]胀轨应急检查抢修须携带的工具备品没有（ ）
A.5米卷尺 B.钢直尺 C.铜导线 D.深度尺 [单选题]电源后台监控软件V3.0中告警包括—般告警、（ )两个级别。
A.—般告警 B.严重告警 C.次要告警 D.危险告警 [多项选择]递延年金具有的特点有（）。
A. 年金的第一次收付发生在若干期以后 B. 没有终值 C. 年金的现值与递延期无关 D. 年金的终值与递延期无关 [单选题]
电器及设备的火灾会通过金属线设备上的( )引起其他设备的火灾。 A.残留电压 B.易燃物 C.静电 D.温度 [判断题]防雷装置的引下线应满足足够的机械强度、耐腐蚀和热稳定的要求,如用钢绞线,其截面积不得小于 35mm2。( )
A.正确 B.错误 [单项选择]麦胶性肠病（）.
A. 高渗性腹泻 B. 吸收障碍性腹泻 C. 分泌性腹泻 D. 运动性腹泻 E. 药源性腹泻 [单项选择]原发性醛固酮增多症最常见的原因是
A. 特发性醛固酮增多症 B. 醛固酮瘤 C. 醛固酮癌 D. 异位性分泌醛固酮的肿瘤 E. 糖皮质激素可治性醛固酮增多症 [单项选择]将拉链应用于外科手术的创造方法为（）。
A. 类比创造法 B. 移植创造法 C. 物场分析法 D. 演绎创造法 [判断题]管制是短期剥夺犯罪人人身自由,由公安机关就近关押并强制进行劳动改造的 刑罚方法。( )
A.正确 B.错误 [单项选择]Just as a book is often judged______ by the quality and appearance of its cover, a person is judged immediately by his appearance.
A. previously B. uniquely C. outwardly D. initially [报关编码]天然牛黄
[填空题]胃肠内营养管饲方法有______、______。
[单项选择]土地用途管制的核心是（）。
A. 不能随意改变建设用地的用途 B. 不能随意改变农用地的用途 C. 不能随意改变未利用土地的用途 D. 不能随意改变国有土地的用途 [多选题]中部车门是指（ ）车门。
A.3 B.4 C.6 D.5 [单选题]老人沐浴时,下列哪项是错误的()
A.饭后1小时方可入浴 B.入浴时间过长,应予以询问 C.浴室要锁门,以防其他人进入 D.贵重物品应妥善保存 E.穿防滑拖鞋 我来回答: 提交
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