热门试题:
[单选题]氮气的用途为( )。
A.助燃剂
B.供人呼吸
C.保护剂
D.催化剂
[单项选择]必须坚持公开、公平竞争原则的是
A. 甲类目录
B. 类目录
C. 集中招标采购
D. 招标代理机构
E. 医疗机构
[判断题]临时变更或恢复原行车闭塞法时，须发布调度命令。(技规)
A.正确
B.错误
[单项选择]（）应编制项目质量报告，报上级质检部门和项目经理。
A. 设计人员
B. 监理工程师
C. 质量经理
D. 施工人员
[单项选择]
Passage Four
We all know that the normal human daily cycle of activity is of some 7-8 hours’ sleep alternating with some 16-17 hours’ wakefulness and that, broadly s peaking, the sleep normally coincides with the hours of darkness. Our present concern is with how easily and to what extent this cycle can he modified.
The question is no mere academic one. The ease, for example, with which people can change from working in the day to winking at night is a question of growing importance in industry where automation calls for round-the-clock working of machines. It normally takes from five days to one week for a person to adapt to a reversed routine of sleep end wakefulness, sleeping during the day end working at night. Unfortunately, it is often the case in industry that shifts are changed every week; a person may work from 12 midnight to 8 a.m. one week, 8 a.m. to 4 p.m. the next, and 4 p. m. to 12 midnight the third and so on. This means that no s
A. Body temperature may serve as an indication of a worker' s performance.
B. The selection of a number of permanent night shift workers has proved to be the best solution to problems of the round-the-clock working system.
C. Taking body temperature at regular intervals can show how a person adapts to the changes of routine.
D. Disturbed sleep occurs less frequently among those on permanent night or day shifts.
[判断题]短时间退出防误操作闭锁装置，由配电运维班班长批准，并应按程序尽快投入。
A.正确
B.错误
[单选题] 在数据链路层，我们通过什么来区分不同设备的身份标识？ ( )
A. 域名
B. IP
C. MAC
D. 光电信号
[单项选择]消毒皮肤的操作中，下列哪项是错误的
A. 由手术区中心部向四周涂擦
B. 消毒感染伤口或肛门方向与A相反
C. 已接触污染部位纱布禁忌反擦清洁部
D. 消毒范围为切口周围10cm处
E. 有延长切口可能时，消毒范围应适当扩大
[单项选择]根据《国家电网公司水电建设项目法人单位安全生产管理规定》，工程建设安全管理第一责任者是( )。
A. 项目法人
B. 监理单位
C. 施工单位
D. 质量监督单位
[不定项选择题]共用题干
Earth's Inner Core
Scientists have long struggled to understand what lies at the planet's center.Direct
observation of its center is impossible,so researchers must_________(1)to other evidence.
In 1889,a German scientist detected a severe earthquake in Japan.Geophysicists
concluded that shock waves_________(2) jolts（晃动）from one side of Earth through
the center to the other side.Then in 1936,Danish geophysicist lnge Lehmann studied the
waves' __________ (3) to determine that within Earth's core of molten（熔化了的）iron
lies a solid inner core一but_________(4) that core was made of eluded（难倒）her.
Other geophysicists quickly determined that Lehmann's inner core was composed mostly
_________(5) iron.Since then,Lehmann's discovery has _________(6)
conventional Earth science.
But now scientists are challenging traditional theory with new and radical_________
(7).For example,Earth's center could actually contain an"inner core within the inner
core."claim lshii and colleague Adam Dziewonski.
Analyzing hundreds of thousands of earthquake wave _________(8),they
maintain that the inner core has at its heart a tiny, even more solid sphere（球体）.This
sphere"may be the oldest fossil_________(9)from the formation of Earth,"says Dziewonski.
Dziewonski and Ishii speculate that shortly _________(10)Earth formed around
4.8 billion years ago,a giant asteroid（小行星）smashed into the young planet and nearly
melted it.But Earth's center didn't quite melt;it_________(11)mass as the planet
cooled. The core within a core may be the kernel（核心）that endured. " Its presence
could change our basic ideas about the_________(12)of the planet,"Dziewonski
says.
Dziewonski's idea is tame（温和的）compared to the_________( 13 ) theories of
independent geophysicist J. Marvin Herndon.Earth's inner core is made not of iron,he
claims,but a_________(14)of nickel and silicon.Herndon has a truly revolutionary
notion : Within the nickel silicide（硅化物）inner core is also an "inner" inner core一an
8km-wide ball of the element uranium.Uranium is radioactive.Herndon thinks the uranium
releases heat energy as its atoms_________(15)fission-split and crash into one
another in a chain reaction.In other words,we may live on top of a gigantic, "natural"
nuclear power plant.
_________(6)
A.followed
B.dominated
C.restored
D.opposed
[多选题]免责条款主要体现在保险单责任免除一栏，内容一般包括()。
A.战争或者军事行动所造成的损失
B.保险标的自身的自然损耗
C.保险事故发生时所负的赔偿责任
D.被保险人故意行为造成的事故
E.其他不属于保险责任范围的损失
[单项选择]肾、输尿管结石经体外冲击波碎石治疗后发现存有较大结石，再行碎石术须在
A. 3天后
B. 1周后
C. 半个月后
D. 1个月后
E. 2个月后
[多项选择]《劳动合同法》规定，用人单位( )，由劳动行政部门责令限期支付劳动报酬、加班费或者经济补偿；劳动报酬低于当地最低工资标准的，应当支付其差额部分；逾期不支付的，责令用人单位按应支付金额50%以上100%以下的标准向劳动者加付赔偿金。
A. 安排加班支付加班费的
B. 低于当地最低工资标准支付劳动者工资的
C. 解除劳动合同，未按照法律规定向劳动者支付经济补偿的
D. 未按照劳动合同的约定或者国家规定及时足额支付劳动者劳动报酬的
E. 终止劳动合同，未按照法律规定向劳动者支付经济补偿的
[单选题]误服强酸后，不宜进行的治疗是
A.洗胃
B.口服镁乳导泻
C.灌肠
D.口服牛奶
E.补液
[单选题]我国10kV电网,为提高供电的可靠性,一般采用()的运行方式。
A.中性点不接地
B.中性点直接接地
C.中性点经消弧线圈接地
[填空题]根据省公司统一部署，完成营销组织构架和岗位设置的优化调整，实施市、县营销前端岗位、班组和流程融合，培育“一专多能”营销前端岗位人员，打造“供电+能效服务”综合化服务班组，将能效公共服务纳入供电服务业务流程。（）
[单项选择]早期发现肺结核病人最有效的途径是（）
A. 有可疑结核症状者进行胸部X线和痰找结核菌
B. 健康者检查胸部CT
C. 接触者检查胸部X线
D. 对成人结核菌素试验阳性者进行胸透
E. 对成人结核菌素试验阴性者进行痰找结核菌检查
[不定项选择题]A.瘴疟
A.正疟
B.温疟
C.冷瘴
D.寒疟
E.但寒不热者为
[单选题]( )是介于木质部和韧皮部之间的薄壁细胞,生理活性最旺盛。
A.形成层
B.木栓层
C.导管
D.筛管
[单项选择]唐朝的商品经济比前代更为发达，其中最能反映其发达程度的是（）。
A. 开元通宝成为通用货币
B. 政府官员管理物价和税收
C. 交易场所中有许多邸店
D. 出现专营货币存放和借贷的柜坊
[单项选择]
America has had many presidents who have been famous all over the world. People from other countries know the names Washington, Kennedy and so on. However, many men who have served as president of the United States have not been famous in other parts of the world. One example is J. Q. Adams, the sixth man to serve as U.S. president.
Very little happened while Adams was president. It was an unhappy time for him, and he wasn’t very effective, when his term ended, he went back to the Congress and served as a representative (众议院议员). While he was in Congress, people began to respect him more than they had done while he was president. Adams was strongly against slavery and tried to outlaw it in Washington D. C. People began to look back on his presidency with a different view. Now they saw that he was an independent man with high ideal who loved his country and hated slavery. Adams died in 1848 while speaking in the House of Representative.
In fact, American people c
A. whether he was president or not
B. when he was not a president
C. before his term ended
D. when he first became a representative
[单选题]符合当地参保条件的新生儿,在规定时间内办理参保登记手续并按标准缴纳城乡居民基本医疗保险费的,自( )起享受城乡居民医疗保险待遇。
A.出生之日
B.参保登记
C.完成缴费
D.缴费后三个月
[单选题]在双线区段，上、下行相邻的道口控制器应采用不同的( )。[312010103]
A.相位
B.频率
C.电压
D.电流
[多选题] 《国家电网公司供电服务质量标准》供电营业厅的服务功能包括( )。
A.业务办理
B.收费
C.告示
D.引导
E.洽淡
[单选题]下列哪种方法不是自我修养的方法（ ）。
A.模仿
B.内省
C.强制
D.慎独
[单项选择]瓦斯超限就是（）
A. 通风不良
B. 涌出量大
C. 事故
[单选题]某单位举办涉密会议，有一相关人员将手机关机后带入会场，该行为（）。
A.没有违反相关规定，不存在泄密隐患
B.违反了相关规定，存在泄密隐患
C.违反了相关规定，但不存在泄密隐患
D.纯属个人行为
[多项选择]佛教的五家七宗中本山在江西的有( )。
A. 云门宗
B. 曹洞宗
C. 法眼宗
D. 黄龙宗
E. 杨岐宗
[单项选择]女性，40岁。工作中突发右侧肢体无力，查体：意识清，二尖瓣区可闻双期杂音，心律不齐，右侧偏瘫，上肢重于下肢，偏身痛觉减退，首先考虑的诊断（）
A. 蛛网膜下腔出血
B. 脑出血
C. 脑栓塞
D. 脑血栓形成
E. 短暂脑缺血发作
[单项选择]下面关于域名内容正确的是（）。
A. CN代表中国，COM代表商业机构
B. CN代表中国，EDU代表科研机构
C. UK代表美国，GOV代表政府机构
D. UK代表中国，AC代表教育机构
[判断题]强行冲闯公安机关设置的警戒带、警戒区的，处警告或者二百元以下罚款；情节严重的，处五日以上十日以下拘留，可以并处五百元以下罚款:
A.正确
B.错误
[单选题]训练结束后，由组训或带训人员组织整理活动并讲评。应当及时清点人员，并认真做好器材整理和放松拉伸，时间一般不得少于（）分钟。要认真组织讲评，对训练中出现的安全苗头问题及隐患提出批评，倾向性问题要制定整改措施。
A.5
B.10
C.12
D.15
[单选题](0.25分)单选题

下列有关药物依赖性的叙述,错误的是
A. 精神依赖性又称心理依赖性
B. 分为躯体依赖性和精神依赖性
C. 绝大多数具有依赖性的药物同时兼有精神依赖性和躯体依赖性
D. 躯体依赖性又称心理依赖性
E. 一旦产生躯体依赖性,中断用药将产生戒断症状
[多选题]更换终端时，选择自动下发时,系统会进行以下( )操作。
A.非通信终端初始化
B.终端对时
C.参数下发
D.立即抄表。
[多选题]充分的肠道准备可以：（ ）
A.减少或避免术中污染
B.减少或避免术后感染
C.预防吻合口瘘
D.增加手术的成功率
E.减少疼痛
