| Most radio and television stations in
the United States are commercial stations,{{U}} (26) {{/U}}is to say,
they earn their money from{{U}} (27) {{/U}}or commercials. Private
companies purchase radio and television{{U}} (28) {{/U}}from the
commercial stations in order to{{U}} (29) {{/U}}their products. Cable
television stations are also{{U}} (30) {{/U}}stations, though they
do not usually have advertisements.{{U}} (31) {{/U}}watch cable
stations, people must pay the cable TV company a certain amount of money each
{{U}} (32) {{/U}}. Public radio and television stations, on the{{U}} (33) {{/U}}hand, do not have advertisements and people do not have to{{U}} (34) {{/U}}to watch them. These stations gain their money {{U}} (35) {{/U}}the government, private companies, and from some of the{{U}} (36) {{/U}}who watch or listen A. one B. another C. other D. others [单选题]属于静止型无功补偿装置的是( )。
A.调压式无功补偿装置; B.静止无功补偿器 (SVC); C.分组投切电容器组; D.静止同步补偿器(STATCOM); [判断题]《动车组列车服务质量规范》规定，夜间运行，卧车乘务员在边凳值岗，并定时巡视车厢。始发后和中途客运乘务人员对卧车核对铺位。
A.正确 B.错误 [填空题]充电系统的充电电压应为或者比蓄电池的基本电压至少高出（）。
[单项选择]C
Federal regulators Wednesday approved a plan to create a nationwide emergence alert (警报) system using text messages delivered to cell phones.
Text messages have exploded in popularity in recent years, particularly among young people. The wireless industry’s trade association, CTIA, estimates (估计) more than 48 billion text messages are sent each month.
The plan comes from the Warning Alert and Response Network Act, a 2006 federal law that requires improvements to the nation’s emergency alert system. The act tasked the Federal Communications Commission (FCC. with coming up with new ways to alert the public about emergencies.
"The ability to deliver accurate and timely warnings and alerts through cell phones and other mobile services is an important next step in our efforts to help ensure that the American public has the information they need to take action to protect themselves and their families before, and during, disasters and other emergencies," FCC Chairm
A. To warn people of emergencies via messages. B. To popularize the use of cell phones. C. To estimate the monthly number of messages. D. To promote the wireless industry. [多选题]疫情当前，某公安分局决定成立抗疫突击队，该公安分局民警小乐在第一时间报了名，并在请战书上写道：“我申请加人抗疫突击队，不计报酬，不讲条件，无惧生死，履职尽责，保证完成各项工作任务。”小乐的做法彰显了人民警察的哪些精神?
A.甘于奉献 B.爱岗敬业 C.文明理性 D.勇于担当 [单项选择]在首次公开发行股票的招股说明书中，偶发性的关联交易的披露内容不包括（）。
A. 交易内容 B. 资金的结算情况 C. 交易产生的利润 D. 占当期同类型交易的比重 [多选题] 需启动列车区间清客(疏散)的情形有( )
A.非紧急情况下且载客列车在区间迫停(含借助外来动力无法动车进入车站)超过20分钟且线路暂不具备开通条件时的区间清客 B.遇火灾等紧急情况下,载客列车迫停区间的区间疏散 C.列车因故不能动车,且部分车厢未进入站台区域时的清客 D.车站.列车内发生乘客纠纷 [单选题]对旅客违章携带物品,补收运费时,按<___>计算。( )
A.票面发站至到站 B.票面发站至下车站 C.上车站至下车站 D.上车站至票面到站 [判断题]DLU作用为存储维护数据。（ ）
A.正确 B.错误 [判断题]建设工程项目专职安全生产管理人员应当由建筑施工企业委派。
A.正确 B.错误 [填空题]标桩在铁路线路两侧规定距离设置时,应与线路另一侧标桩()埋设。
[多项选择]物流企业新兴运输方式有（）
A. 成组运输 B. 公路运输 C. 国际多式联运 D. 铁路运输 E. 航空运输 [单选题]下肢深静脉血栓介入溶栓术后指导患者时应注意( )
A.绝对卧床休息 B.抬高患肢 30°，鼓励病人尽早活动 C.久坐 D.剧烈活动 [判断题]化工装置灾害事故处置,根据事故产生的后果和波及范围,确定灾害事故相应等级。单体设备局部泄漏或地面流淌火属初期灾情;生产单元和整套装置立体火灾属于难控灾情。( )
A.正确 B.错误 [单项选择]港口与航道工程常用的排水固结法中，对堆载预压法的工艺流程表述正确的是（ ）
A. 打设塑料排水板(或袋装砂井)-铺设砂垫层-分级堆载预压-卸载 B. 铺设砂垫层-分级堆载预压-打设塑料排水板(或袋装砂井)-卸载 C. 分级堆载预压-铺设砂垫层-打设塑料排水板(或袋装砂井)-卸载 D. 铺设砂垫层-打设塑料排水板(或袋装砂井)-分级堆载预压-卸载 [判断题]司机应当定期接受使用单位进行的安全教育，了解国家的相关法律，学习相应的安全知识。( )
A.正确 B.错误 我来回答: 提交
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