热门试题:
[单项选择]支气管扩张患者施行体位引流排痰,下列哪项不正确
A. 病变肺应位于高处
B. 每日引流2~4次,每次15~30分钟
C. 可用生理盐水先作雾化吸入,便于排痰
D. 痰量多的患者,应尽快把痰排出
E. 排痰时,同时配合深呼吸,用力咯痰,可提高排痰效果
[判断题]中性焰是当氧气与乙炔的混合比为1~1.2时,燃烧充分,燃烧过后无剩余氧或乙炔,热量集中,温度可达2050℃~2150℃。( )(中)
A.正确
B.错误
[单选题]在办公室里,()的位置是上座。
A.离入口最远
B.离入口最近
C.靠近门口
D.靠近窗户
[判断题]大风天气巡线,应沿线路下风侧前进,以免触及断落的导线。
A.正确
B.错误
[单选题]逆变器电压保护的要求,并网点电压U为85%UnA.不超过0.2S
B.不超过2S
C.连续运行
D.不超过0.5S.
[判断题] 火灾逃生的四个要点是防烟熏;果断 迅速逃离火场;寻找逃生之路;等待他救。 ( )
A.正确
B.错误
[单项选择]Kidnappings around the world have typically had one of two major goals: publicity for a local political cause or as a form of "fund-raising" for the kidnappers. Recently, kidnappings for political reasons have been on the decrease, whereas kidnapping for profit has seen a dramatic increase.
A prime example of this trend is in Colombia. Colombia is considered to be the kidnapping capital of the world, with rival guerrilla and paramilitary groups consistently abducting civilians--including businessmen, tourists and aid workers. The ransom money obtained from these activities is used primarily to finance a 37 year civil war in Colombia. The U.S. State Department estimates that more than 3,000 people are kidnapped in Colombia each year. Most kidnap victims are Colombians who are either wealthy or who can at least come up with a few thousand dollars. Although the kidnappings are most often performed by political dissidents, the motivation for the kidnappings is usually money, not pol
A. Because they are unfriendly to other people.
B. Because they live overseas or travel internationally in a large number each year..
C. Because they are indeed the richest people in the world.
D. Because they manage most of the insurance and security companies.
[多选题]硫化氢的性质是( )。
A.无色、微甜
B.有臭鸡蛋味
C.易溶于水,毒性极强,
D.不溶于水,无毒
[单项选择]在IPv6中,其地址扩展到了______位。
A. 32
B. 16
C. 128
D. 256
[判断题]我国法律对不同的民事主体类型规定了不同的民事权利能力。
A.正确
B.错误
[多选题]关于细胞的有丝分裂和减数分裂,下列说法正确的有:
A.有丝分裂发生在体细胞,减数分裂发生在生殖细胞
B.有丝分裂产生2个子代细胞,减数分裂产生4个子代细胞
C.二者所产生的子代细胞染色体数目和遗传物质与亲代细胞保持一政
D.减数分裂过程中有染色体的配对、交换和重组,而有丝分裂没有
[单选题]患者右肋缘下3cm处可触及肝脏,压痛,肝颈静脉回流征阳性,双下肢水肿。首先考虑
A.左心力衰竭
B.肝硬化
C.右心力衰竭
D.慢性肾炎
E.慢阻肺
[单选题]采用单台UPS供电时,由于其平均无故障工作时间是个有限值,一般在()小时左右。
A.5万
B.10万
C.15万
D.20万
[不定项选择题]共用题干
Urbanization and Its Influence
Over half the world's people now live in cities.The latest"Global Report on Human Settlements"says a significant change took place last year. The report________(51)this week from U.N.Habitat,a United Nations agency.
A century ago,________(52)than five percent of all people lived in cities.________(53) the middle of this century it could be seventy percent,or ________(54)six and a half billion people.
Already three一fourths of people in________(55)countries live in cities.Now most urban population________(56)is in the developing world.
Urbanization can lead to social and economic progress,but also put________(57)on cities to provide housing and________(58).The new report says almost two hundred thousand people move________(59)cities and towns each day.It says worsening inequalities,________(60)by social divisions and differences in________(61),could result in violence and crime unless cities plan better.
Another issue is urban sprawl(无序扩展的城区).This is where cities _________ (62) quickly into rural areas,sometimes________(63)a much faster rate than urban population growth.
Sprawl is common in the United States. Americans move a lot.In a recent study,Art Hall at the University of Kansas found that people are moving away from the________(64)cities to smaller ones.He sees a________(65)toward"de-urbanization"across the nation.
_________(56)
A.extension
B.thriving
C.addition
D.growth
[简答题]
Directions:Read the following text carefully and then translate
the underlined segments into Chinese. Your translation should be written neatly
on ANSWER SHEET 2.
Once the exclusive domain of executives with expense accounts,
mobile phones are set to become one of the central technologies of the 21st
century. (46) Within a few years, the mobile phone will evolve from a
voice-only device to a multi-functional communicator capable of transmitting and
receiving not only sound, but video, still images, data and text. A whole
new era of personal communication is on the way.
Thanks in part
to the growth of wireless networks, the telephone is converging with the
personal computer and the television. (47) Soon light-weight phones outfitted
with high resolution screens--which can be embedded in everything from
wristwatches to palm-held units will be connected to series of low orbit
satellites enabling people to talk, send and recei
[单项选择]
女性,28岁,妊娠8个月,转移性右下腹痛10小时,伴恶心、呕吐。查体:体温39.3℃,右肋下外有压痛,无腹肌紧张和反跳痛。血常规:白细胞10.1×109/乙中性粒细胞78%。 |
该病人诊断较为困难的原因不包括( )。
A. 盲肠被子宫推压上移
B. 机体免疫功能下降
C. 腹肌被拉直
D. 腹膜炎不易局限
E. 大网膜不易包裹炎症部位
[单选题]当组件出口温度大于95摄氏度,就会触发组件过热警告,请问这个温度信号是由哪个传感器送出的
A.压缩机过热传感器
B.组件出口温度传感器
C.水分离器出口温度传感器
D.压缩机温度传感器
[判断题]对已满14周岁不满16周岁不予刑事处罚的,应当责令其家长或者监护人加以管教;必要时,可以依照《治安管理处罚法》的相关规定予以治安管理处罚。
A.正确
B.错误
[多选题]25、专利法所称发明,是指对( )所提出的新的技术方案。
A.A、产品
B.B、方法
C.C、图案
D.D、外观
E.E、产品及方法或者其改进
[单选题]对申报技师、高级技师人员的职业道德评价包括:出勤率、劳动态度、()和荣誉称号四个方面。
A.工作表现
B.遵章守纪
C.遵纪守法
D.履职能力
[单选题]依据《广西电网有限责任公司现场作业风险管控业务指导书》(Q/CSG-GXPG2094003-2021)《附录G 场景式持续作业风险评估方法》单项作业任务场景式风险评估示例:XX供电局计划开展“500kV变压器安装、更换”作业任务,计划工作时间为2021年9月1日08:00--9月15日18:00,工作负责人为该局技术专家,小组负责人为班长或副班长,工作班总人数为33人(5名初级工、10名中级工、15名高级工、1名技术专家、2名技能专家)。
根据供电局基于问题风险评估结果,该供电局承接确定的“500kV变压器安装、更换”典型作业类型风险值为300分,属于高风险。根据公式:单项作业风险评估值=作业类型风险值+作业人员能力风险值+作业环境和时段风险值,单项作业任务“500kV主变更换、安装”的风险评估值为( )。
A. 300分
B. 310分
C. 325分
D. 335分
[单项选择]低增长的市场中占有高份额的产品是( )。
A. 明星产品
B. 金牛产品
C. 问号产品
D. 瘦狗产品
[多选题]根据《变电安规》,各类作业人员有权拒绝(_____)、(_____)。
A.违章指挥
B.强令冒险作业
C.加班工作
D.带电工作
[单选题]《中国铁路上海局集团有限公司奖惩办法》中规定施工负责人无计划安排施工作业的应到受到( )处分。
A.警告
B.记过
C.留用察看
D.开除
[判断题]繁忙干线货运列车脱轨60辆以上并中断铁路行车48小时以上的为重大事故。( )
A.正确
B.错误
[简答题]晶体三极管输出的特性曲线分为饱和区、截止区、( )。
[判断题]主要通风机停止运转期间,对由1台主要通风机担负全矿通风的矿井,必须打开井口防爆门和有关风门,利用自然风压通风。
A.正确
B.错误
[单选题]下列哪一种结构具有交换气体的功能
A.终末细支气管
B.小支气管
C.细支气管
D.肺泡管
[单选题]意识的本质是 ( )
A.各种感觉的综合
B.人脑对客观存在的主观映像
C.人脑分泌的特殊物质
D.“绝对精神”的体现
[单项选择]以下控件中可实现下拉列表的是()。
A. TextBox
B. DropDownLis
C. CheckBoxList
D. Label
[单选题]以下几种二类防雷的建筑物中,不合规范要求的是( )。
A.国家级的办公楼
B.大型铁路旅客站
C.国家级重点文物保护的建筑物
D.高度超过50m的建筑物
[单选题] 第19题
在作业过程中,工作组员应服从工作执行人和( )的指挥。
A. 调度
B. 车间干部
C. 工作许可人
D. 工作监护人
[单选题]公路桥梁根据作用及其对桥涵的影响、桥涵所处的环境条件,考虑的
设计状况有()
A.运营状况
B.控制状况
C.施工状况
D.短暂状况
[单选题]自然物品是指( )低,在空气中易于发生氧化反应,放出热量而自行燃烧的物品。
A.闪点
B.熔点
C.自燃点
[单选题]消化性溃疡病人,近来疼痛程度加重,上腹痛失去了原有的节律性,抗酸治疗效果差,首先应考虑出现了下列哪些并发症( )
A.溃疡恶性病变
B.幽门梗阻
C.穿孔
D.出血
[单项选择]一般健康成年人一次失血量不超过多少毫升时可不用输血()。
A. 300
B. 500
C. 700
D. 800
E. 1000