{{B}}The
Cherokee Nation{{/B}} Long before the white man came to America, the land belonged to the American Indian nations. The nation of the Cherokees lived in what is now the southeastern part of the United States. Aft6r the white man came, the Cherokees copied many of their ways. One Cherokee named Sequoyah saw how important reading and writing was to the white man. He decided to invent a way to write down the spoken Cherokee language. He began by making word pictures. For each word he drew a picture. But that proved impossible—there were just too many words. Then he took the 85 sounds that made up the language. Using his own imagination and an English spelling book, Sequoyah invented a sign for each sound. His alphabet proved amazingly easy to learn. Before long, many Cherokees knew how to read and write in A. they were not willing to go there B. the government did not provide transportation C. they did not have enough food and clothes D. the journey was long and boring [单选题]旅客列车停靠的高站台边缘距线路中心线的距离为1 750 mm,安全标线距站台边缘()mm。
A.1200 B.1100 C.1000 D.1250 [判断题] 由于重铬酸钾容易提纯,干燥后可作为基准物直接配制标准液,不必标定。
A.正确 B.错误 [单选题]如救生筏必须存放在最
轻载航行水线以上超过
()米高度处,则该救生
筏应进行从至少为此高
度处的满意投落试验。
A.15 B.16 C.17 D.18 [多选题]为了我们的安全,我们需要做到以下几点( )。
A.不伤害自己 B.不伤害别人 C.不被别人伤害 D.保护他人不被伤害 E.保证设备不损坏 [单选题]普速《铁路工务安全规则》规定,在站内其他线路作业,本线来车时,下道距离不小于( )。
A.500m B.800m C.1400m D.2000m [单选题] 在一个采样时刻进行的状态估计叫做(),它不考虑状态的时变过程。
A. 静态状态估计 B. 动态状态估计 C. 混合状态估计 D. 状态测量 [单选题]有如下配置:routerbgp200
neighbor10.1.1.1remote-as100,
neighbor10.1.1.1activate,
neighbor10.1.1.1route-mapfilterin,
ipaccess-liststandard10,
permit20.1.1.10.0.0.0,
route-mapfilterdeny3,
matchipaddress10,
以下哪种说法正确的是:
A.路由器会接受来自10.1.1.1发布的除了20.1.1.1/32以外的所有路由 B.所有来自10.1.1.1的路由都不会被接收 C.路由器只接受10.1.1.1发布的20.1.1.1/32这一条路由 D.路由器会接收所有来自10.1.1.1的路由 [单选题]列车停在故障道岔上时,行调组织事故处理主任到现场确认安全后,行调通知司机限速( )动车
A.20km/h B.15km/h C.10km/h D.5km/h [单选题]线路的转角杆组立后,其杆塔顺线路方向的前后移动误差尺寸不得超过( )。
A.38mm B.50mm C.80mm D.100mm [多选题]我国钱塘江大潮壮观景象形成的人文原因包括( )。
A.八月十八出现是吉祥日 B.护堤工程 C.杭州的美誉对观潮游客吸引力的叠加 D.悠久的观潮文化对现代人的影响 E.历代著名诗人留下的观潮佳作 [多项选择]提供生产技术条件的管理费用包括()。
A. 排污费 B. 绿化费 C. 研究与开发费 D. 咨询费 E. 聘请中介机构费 [判断题]到达列车所在站须在列车制动机试验结束后,再进行排风作业。
A.正确 B.错误 [单选题]运行途中,遇列车无线调度通信设备发生故障时,列车应( )报告。
A.立即停车 B.在前方站停车 C.前方停车站 [判断题]PLC的工作过程是周期循环扫描,基本分成三个阶段进行,即输入采样阶段 程序执行阶段和输出刷新阶段。
A.正确 B.错误 [判断题]在并联电路中,各支路中的电流与各支路的总电阻成反比。
A.正确 B.错误 我来回答: 提交
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