| Chemistry did not emerge as a science
until after the scientific revolution in the seventeenth century and then only
rather slowly and laboriously. But chemical knowledge is as old as history,
being almost entirely concerned with the practical arts of living. Cooking is
essentially a chemical process; so is the melting of metals and the
administration of drugs and potions. This basic chemical knowledge, which was
applied in most cases as a rule of thumb, was nevertheless dependent on previous
experiment. It also served to stimulate a fundamental curiosity about the
processes themselves. New information was always be A. problem B. material C. difficulty D. system [填空题]（）与顾、王并称为明末清初三大启蒙思想家和史学家。一生著作繁富，多至六十多种。
[判断题]解锁工具（钥匙）使用后应在所有工作结束后再封存并做好记录。
A.正确 B.错误 [简答题]早读铃声响了，班主任王老师走进教室，不久小李(学习成绩位列班上的前几名)气喘吁吁跑进教室，王老师摆了一下手，示意他进去坐好。过了一会儿，“差生”小赵跑来，看到班主任在教室，就在教室外喊声“报告”，王老师将其引至教学楼拐角处，对其做了十分钟的“思想工作”。看到这两种情景，同学们窃窃私语。
请分析王老师的做法是否妥当。 [判断题]2.115. 第115题
实时费控系统能够自动测算客户用电剩余电费金额，并与设置的报警金额、透支门限金额等基准值进行比较 后完成预警、跳闸及合闸复电等指令功能。 A.正确 B.错误 [单选题]367.BG016 止回阀按其（ ）划分,可分为升降式止回阀和旋启式止回阀
A.材质 B.安装方式 C.功能 D.结构 [简答题]叙述CRH1型动车组在正常运行模式下,牵引系统如何实现启动和关闭的?
[多选题]消防有毒气体探测仪可检测（）。
A.可燃气 B.二氧化碳 C.氧气 D.有机挥发性气体 [判断题]配置轨道衡等计量安全检测设备的装车站应重点做好易超载货物的装车计量检测工作，对确认超载的，必须进行卸载处理，复检确认货物重量不超过货车容许载重量后，方可挂运。（）
A.正确 B.错误 [单选题]斜角探伤时，焊缝中的近表面缺陷不容易探测出来，其原因是（）。
A.近场效应 B.受分辨力影响 C.盲区 D.受反射波影响 [判断题]重庆单轨车受电弓在折叠状态下的高度为300±5mm。
[单项选择]Passage Two
Questions 66 to 70 are based on the following passage:
If it were only necessary to decide whether to teach elementary science to everyone on a mass basis or to find the gifted few and take them as far as they can go, our task would be fairly simple. The public school system, however, has no such choice, for the jobs must be carried on at the same time. Because we depend so heavily upon science and technology for our progress, we produce specialists in many fields. Because we live in a democratic nation, whose citizens make the policies for the nation, large numbers of us must be educated to understand, to support, and when necessary, to judge the work of experts. The public school must educate both producers and users of scientific services.
In education, there should be a balance among the branches of knowledge that contribute to effective thinking and wise judgment. Such balance is defeated by too much emphasis on any one field. This question of balance involves not o
A. Common people only. B. Both experts and officials. C. Specialists only. D. Both common people and specialists. [单选题]茶叶的主要成分，现己发现()多种
A.400 B.500 C.600 D.450 [判断题]手信号夜间---白色灯光作圆形转动后，再左右摇动，显示的是六道信号。
A.正确 B.错误 [判断题]《移送案件通知书》中有管辖权的机关既包括公安机关,也包括检察院等对刑事案件有管辖权的其他机关。
A.正确 B.错误 [单项选择]热痉挛的主要发病机制是
A. 体内钠、钾过量丢失 B. 体温调节功能发生障碍 C. 外周血管扩张和大量失水 D. 排汗功能疲劳和衰竭 E. 机体温度感受器失能 [单选题]（ ）是股权投资的归口管理部门。
A.公司总部及各单位的财务部门 B.公司总部及各单位的发展策划部门 C.公司总部及各单位的产业发展部门 D.公司总部及各单位的综合管理部门 [单选题]三角坑偏差不含曲线超高顺坡造成的扭曲量，检查三角坑时基长为( )。
A.6.25m B.12.5m C.18m D.42m [单项选择]车辆在高速公路上发生故障时，驾驶员应在车后（）以外设置警告标志。
A. 50米 B. 100米 C. 150米 [单选题]用于肿瘤化疗引起的中性粒细胞减少症的药物是( )
A.糖皮质激素 B.沙格司亭 C.非格司亭 D.利可君 E.小檗胺 [多选题]营造良好政治生态，必须严格执行《关于新形势下党内政治生活的若干准则》，着力提高党内政治生活质量，努力在全党形成（ ）的政治局面。
A.又有集中又有民主 B.又有纪律又有自由 C.又有原则又有特殊 D.又有统一意志又有个人心情舒畅生动活泼 我来回答: 提交
|
