热门试题:
[单选题]下列哪种情况说明了外部性的概念?()
A.坏天气引起小麦减产
B.小麦减产引起农民收入减少
C.吸烟损害吸烟者的健康
D.吸烟损害被动吸烟者的健康
[判断题]依据《中国南方电网有限责任公司安全生产巡查检查督查管理实施细则Q/CSG2093075-2021》第二十五条 各单位安全监管部门应当根据本单位业务管理部门要求提交本业务领域违章信息统计表格或报告;各级安全监管部门应根据上级安全监管部门要求提交本单位违章信息统计表格或报告。
A.正确
B.错误
[判断题]雷电时.在保证安全的情况下.可以测量绝缘电阻及高压侧核相。
A.正确
B.错误
[单选题]《中国铁路总公司关于进一步优化改签、退票规则的通知》(铁总运电〔2014〕203号)规定,为了让更多的旅客最大限度利用车票资源,减少占票浪费运力,同时也便于已持有车票旅客的行程调整,在其他列车有余票时,在开车前(),可改签预售期内的其他列车。
A.48小时以上
B.48小时(不含)以上
C.24小时(不含)以上
D.24小时以上
[多项选择]下列各项中,属于票据基本当事人的有( )。
A. 出票人
B. 收款人
C. 付款人
D. 保证人
[判断题]监控班通过监控系统进行设备巡视,发现监控机上有异常信号,应立即汇报调度。(1.0分)
A.正确
B.错误
[单项选择]Certainly, the most popular method of traveling used by Americans is the privately-owned automobile. The vast majority of Americans have a car, and many families have two. (31) during your visit to the United States, you may decide to rent a car to travel outside the city or to travel to other parts of the country.
Car rental companies are (32) in the telephone book and are located in most cities and towns. (33) , there are usually rental cars at airports and train and bus stations. As is true everywhere in the world, you can rent a car (34) the day, week, or month. Some companies (35) have special weekend rates that you may find especially interesting if you have only a limited (36) of time to travel around the area you are visiting. Since each company has its own rules and rates, it is a good idea to (37) prices among companies to get the best rates to suit your purposes. For example, most car rental costs (38)
A. return
B. returned
C. must return
D. will return
[判断题]一般刀开关不能切断故障电流,也不能承受故障电流引起电动力和热效应。( )
A.正确
B.错误
[单选题]在《架空输电线路无人直升机巡检系统》中,无人直升机巡检系统具备任务规划功能,可对起降方式、飞行速度以及航点信息等进行设置,可设置航点数量不少于( )个。
A.40
B.50
C.60
D.70
[单选题]高速铁路有砟轨道基本轨、翼轨钢轨头部侧面磨耗为( )时达到重伤标准。
A.6mm
B.8mm
C.10mm
D.12mm
[多选题] "我司灭火器种类有( )
A.手提式干粉灭火器
B.手提式二氧化碳
C.手推式干粉灭火器
D.手推式二氧化碳
E.泡沫灭火器"
[单选题]会计通过确认、计量、记录、报告,运用一定的方法生产程序,从价值量方面反映已经发生或完成的客观经济情况,为经济管理提供可靠的会计信息,这体现的是会计的( )职能。
A.核算
B.监督
C.管理
D.控制
[单项选择]舌神经麻醉是()
A. 舌尖麻醉
B. 整个舌麻醉
C. 舌前1/3麻醉
D. 对侧舌前2/3麻醉
E. 同侧舌前2/3麻醉
[单项选择]皮下注射的缩写是()
A. i.d.
B. i.v.gtt.
C. p.o.
D. i.v.
E. i.h.
[判断题]虽然已进入媒体时代,但公安机关仍应坚持多做少说,甚至只做不说的传统,以不变应万变。()
A.正确
B.错误
[单选题]允许速度>120km/h线路区段,焊缝凹陷大于()应及时处理。
A.0.2mm
B.0.3mm
C.0.5mm
D.1.0mm
[单项选择](109~115题共用题干)患者,男,56岁,既往多年风湿性心脏病史,今晨饭后突然出现腹部绞痛,伴恶心、岖吐,无寒战,发热3小时入院。查体:急性病容,血压 110/80mmHg,全腹轻压痛,反跳痛、肌紧张不明显,无移动性浊音,肠鸣音6次/分,无气过水声。血常规 WBC为10×109/L,分叶0.6。
该患者可能的诊断是
A. 急性胃肠炎
B. 急性机械性肠梗阻
C. 急性胰腺炎
D. 急性肠系膜上动脉栓塞
[判断题]交流配电柜输入电源为三路时,其中一路接输入交流电源,两路接自备发电机。( )
A.正确
B.错误
[多选题](第三十五条)下列有关倒塌的说法正确的是( )。 ( )
A.严防着火建筑、堆垛,或受爆炸、地震或地质灾害影响的建(构)筑物倒塌伤人。
B.进入建筑内部前,用直流水对屋檐、屋顶等部位进行扫射,清除屋檐瓦片、屋顶构件坠落危险。
C.扑救钢结构建筑火灾时,要持续冷却钢梁和钢柱等承重结构,防止钢材在高温下强度减弱,造成坍塌。
D.扑救楼层火灾,楼层内积水较多时,一般不需排水。
[单选题]运行屏内进行电缆施工时,应设专人监护,做好带电部分遮挡,核对完电缆芯线后应及时包扎好芯线金属部分,防止误碰(),并及时清理现场。
A.金属外壳
B.运行设备
C.带电部分
D.带电设备
[单选题]线路直线地段的1435mm为( )。
A.标准轨距
B.宽轨距
C.窄轨距
D.最大轨距
[判断题]备用的各种液压软管、阀组、液压缸、管接头等更换时不需清洗。
A.正确
B.错误
[判断题]制动性能的检测方法可分为路试和台试。( )
A.正确
B.错误
[填空题]问题通报,分析严重问题、典型问题时要通报全段,必要时召开()会议,督促相关部门、车队(间)举一反三,吸取教训,有效防止同类问题重复发生。
[单项选择]当国家企图指责一个人的行为并企图追究这个人的行为责任时,它必须是根据已制定出来的法的规则来作出这种指责和追究。该表述属于法的规则的哪一特征
A. 法的规则具有的普遍性特征
B. 法的规则具有的先在性特征
C. 法的规则具有的稳定性特征
D. 法的规则具有的统一性特征
[单选题]治湿热痹痛,当首选( )
A.防已
B.秦艽
C.桑枝
D.木瓜
E.蚕沙
[单选题]国产内燃机车每( )进行一次大修。
A.(180±20)万km
B.(100±10)万km
C.(80±10)万km
D.(50±10)万km
[单选题]下行峰值速率优化可通过调整部分关键参数实现,以下哪种方式错误?
A.PDSCH DMRS类型使用Type1
B.NSA组网关闭SIB1
C.打开SSB rate match功能
D.PDCCH符号长度为1
[单项选择]It rained heavily for three days on end; _________, all the land was under water.
A. accordingly
B. consequently
C. subsequently
D. correspondingly
[单选题]在特殊情况下需在带压和带电的设备上进行焊接时,应采取安全措施,并经( )批准。
A.工作许可人
B.工作票签发人
C.运维负责人
D.本单位
[不定项选择题]A.细菌繁殖能力增强
A.细菌胞浆膜通透性的改变
B.细菌体内抗菌药物原始靶位结构的改变
C.细菌代谢途径的改变
D.细菌产生灭活抗菌药物的酶
E.对四环素耐药是因为
[单项选择]The appeal of advertising to buying motives can have both negative and positive effects.
Consumers may be convinced to buy a product of poor quality or high price because of an advertisement. For example, some advertisers have appealed to people’s desire for better fuel economy for their cars by advertising automotive products that improve gasoline mileage. Some of the products work. Others are worthless and a waste of consumers’ money.
Sometimes advertising is intentionally misleading. A few years ago a brand of bread was offered to turned out that the bread was not dietetic (适合于节食的), but just regular bread. There were fewer calories because it was sliced very thin, but there were the same number of calories in every loaf.
On the positive side, emotional appeals may respond to a consumer’s real concerns. Consider fire insurance. Fire insurance maybe sold by appealing to fear of loss. But fear of loss is the real reason for fire insurance. The security of knowing that pr
A. sometimes advertisements really sell what the consumer needs
B. advertisements occasionally force consumers into buying things they don’t need
C. the buying motives of consumers are controlled by advertisements
D. fire insurance is seldom a worthwhile investment
[单选题]3221.克罗恩病的病变特点不包括
A.A.淋巴滤泡形成
B.B.黏膜下层淋巴管扩张
C.C.裂隙状溃疡
D.D.透壁性炎症
E.E.肉芽肿中心干酪样坏死
[单项选择]材料价格是指材料从其来源地到达()的综合平均价格。
A. 工地
B. 施工操作地点
C. 工地仓库
D. 工地仓库后出库
[多选题]
下列TVM模块中使用USB口连接的模块有( )
A. 条屏
B. 纸币模块
C. 触摸屏
D. 硬币模块