| At the fall 2001 Social Science History
Association convention in Chicago, the Crime and Justice network sponsored a
forum on the history of gun ownership, gun use, and gun violence in the United
States. Our purpose was to consider how social science history might contribute
to the public debate over gun control and gun rights. To date, we have had
little impact on that debate. It has been dominated by mainstream social
scientists and historians, especially scholars such as Gary Kleck, John Lott,
and Michael Bellesiles, whose work, despite profound flaws, is politically
congenial to either opponents or proponents of gun control. Kleck and Mark
Gertz, for instance, argue on the basis of their widely cited survey that gun
owners prevent numerous crimes each year in the Untied states by using firearms
to defend themselves and their pr A. It has little influence on the forum sponsored by the Crime and Justice network. B. Neither supporters nor opponents of gun control cite the works of scholars. C. The works of mainstream social scientists have great impact on it. D. Many social science historians have so far failed to take part in it. [多选题]《国家电网公司架空输电线路运维管理规定》第四十五条规定:线路运检单位应对跨区线路或重要线路应有计划地安排( )巡检。
A.故障巡视 B.特殊巡视 C.直升机 D.无人机 [单项选择]反应部分停进料后，应及时打开T201副线阀，停P-203目的是保留循环氢中的（）
A. 氢气 B. 硫化氢 C. 烃类 D. 一氧化碳 [单选题]卫生防疫设备、物资的数量应当保证本单位人员使用（）月
A.A、四个 B.B、三个 C.C、两个 D.D、一个 [单选题] "在运转的机组上取油样,应办理( )手续。
A.操作票 B.工作票 C.工作任务单 D.动火工作票" [判断题]刑事案件中当事人及其法定代理人对驳回申请回避决定不服的,可以向作出决定的公安机关申请复议,如对复议决定不服,可以向复议机关的上一级公安机关申请复核。
A.正确 B.错误 [填空题]在线路上施工和作业时,应在140 km/h及以上运行列车通过时前( )min停止作业,做好避让措施。
[判断题]信号微机监测系统继电器光电探头指示灯绿灯亮则表示该道岔在反位。
A.正确 B.错误 [判断题]背靠背直流系统是无直流输电线路的两端直流系统，它主要用于两个同步运行的交流系统之间的联网或送电。（）
[单选题]施工地点在进站信号机至进站道岔之间，进站道岔为顺向道岔，封锁施工，对车站方向防护，应将移动停车信号牌设置在（ ）。
A.离工地20 m处 B.离工地50 m处 C.进站道岔岔前基本轨接头处线路中心 D.进站道岔岔后警冲标相对处线路中心 [单项选择]直到1990年，在墨西哥尤卡坦半岛的一支石油勘探队偶然发现了一个巨大的陨石坑。这个陨石坑的绝大部分淹没在尤卡坦半岛附近的海底，宽度大约为160至240千米。覆盖陨石坑的沉积物的年代表明，这个巨大的陨石坑大约是在6500万年前形成的，正好与恐龙灭绝的年代吻合，这一证据的发现使科学家们基本达成了共识：恐龙的灭绝正是由于这颗陨石对地球的撞击造成的。 这段话表明这样一个观点( )。
A. 1990年之前没人会认为恐龙的灭绝是由于陨石对地球撞击造成的 B. 陨石坑的发现使科学家对恐龙灭绝的原因的认识更加一致 C. 6500万年前的尤卡坦半岛附近地区是恐龙密集的地方 D. 陨石的坠毁是自然现象 [判断题]使用的氧气瓶，须按国家压力容器规定标准，3年进行除锈、水压试验。
A.正确 B.错误 [单项选择]"It was the beginning of a revolution in America and the world, a revolution that some have yet to acknowledge and many have yet to appreciate," says Harold Skramstad, president of the Henry Ford Museum in Dearborn, Michigan. 1776 No indeed. 1896, when Frank Duryea finally perfected the Duryea Motor Wagon. At its first airing, the contraption rolled less than 100 metres before the transmission froze up. But by the end of 1896 Duryea had sold 13 of them, thus giving birth to the American motor industry.
That industry (whose roots, outside America, are usually attributed to tinkerings by Messrs Daimler and Benz in Germany) is being celebrated hugely over the coming months, culminating with a Great American Cruise in Detroit in June. "Our goal is to attract the greatest collection of antique and classic cars this nation has ever seen in one place at one time," says Mr. Skramstad modestly. Americans may indeed blame the car for almost everything that has happened to their country A. American automobile industry slowed down its employment of staff since 1900 B. five dollars a day for the blue collar worker was quite a decent wage at the beginning of the century C. every car produced will enable the manufacturers to have a profit of $100,000 D. Ford, GM and Chrysler, the only existing motor manufacturers in U. S. have a business of $ 200 billion annually [单项选择]男，61岁，冠心病心肌病伴左心衰竭入院，应用洋地黄2周后出现频发多源性室性早搏。患者心律失常发生原因应首先考虑是由于（）.
A. 心肌缺血 B. 心力衰竭 C. 并发急性心肌梗死 D. 洋地黄过量或中毒 E. 电解质紊乱 [单选题]在学过正方体、长方体等形体的体积计算公式后，学习一般柱体的体积计算公式，属于（ ）
A.并列结合学习 B.类属学习 C.下位学习 D.上位学习 [判断题]如果超声波频率增加，则一定直径晶片的声束扩散角将随之增大。
A.正确 B.错误 [判断题]乙烯低温罐区压缩机一级气缸有2个
A.正确 B.错误 [多选题]下面哪些产品属于智慧家庭组网范围( )。
A.POE供电交换机 B.分配器 C.AC控制器 D.Wi-Fi放大器 [单选题] [单选题]零售终端在使用POS机进行销售过程中,每张销售单中包含的产品规格数>()个,定义为单次结算规格数异常。
A.6 B.5 C.4 D.3 [多选题]伤员在经过（ ）后，需要迅速护送到医院进一步救治。
A.治疗 B.急救 C.止血 D.包扎 [单选题]MicrosoftProject是一个项目管理软件，其功能中不包括（ ）。
A.具有完善的图形绘制功能 B.使项目工期大大缩短 C.资源得到有效利用 D.提高经济效益 [单项选择]抹气筒出口内径为7m.烟温80℃.排放速率为580Nm³/s，排气筒出口处烟气速度是（）。
A. 15.Om/s B. 19.5m/s C. 47.3m/s D. 61.0m/s [单选题]根据《全省安全生产专项整治三年行动计划》要求，提高企业安全管理能力，强化企业董事长、总经理等法定代表人和实际控制人的第一责任人责任，落实全员安全生产责任，到（ ）年底前，各重点行业领域企业通过自身培养和市场化机制全部建立安全生产技术和管理团队。
A.2021年 B.2022年 C.2023年 [单选题]总书记指出,领导干部要提高七种能力是提高政治能力、 、科学决策能力、改革攻坚能力、应急处突能力、群众工作能力、抓落实能力。
A.调查研究能力 B.团结协作能力 C.善于思考能力 D.勤劳动手能力 [单选题]如果在网上去购买一本图书快递到收件人手中的时间特别慢,会使收件人无法容忍而放弃网上购书。以上现象符合电子商务的哪一经济特点?( )。
A.竞争性 B.协同性 C.个性化 D.长尾效应 [判断题]中途站办理动车组列车退票的公式：应退票款=（原票价÷原票里程错已乘区间里程）-原票价。
A.正确 B.错误 [填空题]外单位:____( )_____以外的单位。(1.0分)
[多项选择]女性，27岁，婚后半年因性生活困难来诊。自幼按女孩抚养，户籍性别为女性，青春期后无月经来潮，无周期性下腹痛。曾中医治疗6个月、雌-孕激素治疗3个月，无月经来潮，也未出现下腹部痛。需要的妇科治疗包括（ ）
A. 去除浓密阴毛 B. 切除喉结 C. 阴蒂体和阴蒂头全部切除 D. 阴蒂体和阴蒂头大部分切除 E. 切除双侧睾丸 F. 切除较大的右侧睾丸 G. 成形阴道 H. 雌-孕激素治疗 [填空题]三棱针的操作方法有：点刺法、散刺法、（）法和挑刺法。
[判断题]室内.外机的高度差最好小于 1.2m,尽量让室内机在上,室外机在下这是为了压缩机回油好。
A.正确 B.错误 [填空题]Environmental management is the process by which environmental health is regulated. It does not involve managing the environment itself, but it is the process of taking steps and (36) to have a positive effect on the environment. Many companies and organizations have (37) management plans for the environment, as taking care of the (38) is the responsibility of everybody in every type of (39) .
Employees at a company or members of an organization that has been chosen to (40) an environmental management plan must be given the proper environmental training. While goals such as (41) and better methods of waste (42) are solid ideals to strive for, many of these techniques have been tried before. If everyone at the organization is not on board and using the same methods, the plan will serve no (43) good. If an environmental management plan is properly enforced, however, (44) . Envir 我来回答: 提交
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