热门试题:
[单项选择]纯铝的强度低,不宜作( )。
A. 棒材
B. 结构材料
C. 板材
D. 耐蚀材料
[判断题]始发或中转作业已填发《制动效能证明书》的列车,在运行途中,遇机车乘务组换乘、机车换挂,仍使用原《制动效能证明书》继续运行。《制动效能证明书》的交接工作,机车乘务组换乘时由司机互相交接,更换机车时,司机与车站进行交接。
A.正确
B.错误
[多选题]《铁路旅客列车服务质量规范》(空调列车)规定,列车晚点30分钟以上时,列车长根据调度、本段派班室(值班室)或车站的通报,向旅客公告()。
A.列车晚点信息
B.说明晚点原因
C.预计晚点时间
D.晚点列车趟数
[多选题]( )物质发生火灾不能用水(直流水)扑救。
A.不能用水扑救“遇水燃烧物质”的火灾
B.不能用水冲击熔化的铁水、钢水
C.不能用直流水扑救可燃粉尘(面粉、铝粉、糖粉、煤粉等)沉积处的火灾
D.不能用直流水扑救带电高压电气设备、电气线路的火灾
[单项选择]"Before the operation, I would look at someone and all I could see for their face was jelly," says Jonathan Wyatt "Now, I can see people"s faces." The 66-year-old is one of six people in the world to receive gene therapy for a【C1】______ type of inherited eye disease【C2】______ choroideremia (an eye disease). The first published【C3】______ of the trial, released today, suggest that【C4】______ people"s genes can stop the disease from causing blindness—and【C5】______ sight in those whose vision has become【C6】______. Choroideremia is caused by【C7】______ in the CHM gene In those who have the disease, a 【C8】______ of REP-1 means that cells in the eyes stop working and slowly begin to【C9】______ causing blindness. Enter gene therapy, which uses a virus to insert a【C10】______ copy of a gene into cells with a gene defect and could【C11】______ be used to treat many genetic conditions. Robert MacLaren of the University of Oxford and his colleagues decided to see if it could【C12】______ choroideremia. Starting two years ago with Wyatt, they【C13】______ a virus carrying a corrective copy of the CHM gene into the eyes of people with choroideremia Today the team【C14】______ that of the six people who received the treatment six months【C15】______ or longer, all have described【C16】______ in their vision. Still, the long-lasting effects of the treatment remain【C17】______. Wyatt had the treatment first, so can【C18】______ that the benefits seem to last two years, 【C19】______ he"s just one case. The treatment also can"t replace cells that have been【C20】______ destroyed.【C13】
A. introduced
B. injected
C. provided
D. guided
[单选题]按照《安全生产法》规定危险化学品生产经营单位的从业人员不服从管理,违反安全生产规章制度或者操作规程的,由( )给予批评教育,依照有关规章制度给予处分造成重大事故。构成犯罪的,依照刑法有关规定追究刑事责任。
A.生产经营单位
B.上级领导
C.车间主任
D.
E.
F.单选
G.蒸馏工
[多选题]绿色施工方案应包括内容有:()。
A.环境保护措施
B.节材及节水措施
C.节地与施工用地保护措施
D.照明器具宜选用节能型器具
[判断题]起重搬运时只能由一人统一指挥,必要时可设置中间指挥人员传递信号。
A.正确
B.错误
[判断题]胃既有贮存食物的功能,又具有泵的功能。( )
A.正确
B.错误
[单项选择]
(病例组型最佳选择题,2~3个题共用题干)
王女士,30岁,剖宫产术后3天,出现尿频、尿急、尿痛等尿路刺激症状,下腹触痛、肾区叩痛,伴发热,留取中段尿培养,细菌数≥105cfu/ml |
使用抗生素治疗时下列做法错误的是
A. 注意保护病人定植抵抗力,尽可能避免使用广谱抗生素
B. 有针对性地选择一种抗生素治疗感染,避免无指征的联合用药
C. 根据细菌药敏试验结果及药代动力学特点,选择药和给药途径
D. 使用前留取标本做细菌学涂片镜检、细菌培养、分离病原体、并做常规药敏试验
E. 为尽快取得好的治疗效果,防止耐药菌株的产生,应尽早选用广谱抗生素或采取联合用药
[填空题]阀门按用途可分为以下几类:( )阀门、( )阀门、( )阀门。
[判断题]组合逻辑电路的设计,就是如何根据逻辑功能的要求及器件资源情况,设计出实现该功能的最佳电路。( )
A.正确
B.错误
[单选题]甲与乙订立合同,规定甲应于2010年2月5日交货,乙应于同年2月20日付款,l月底,甲有确凿证据表明乙无支付贷款的能力,于是未按期履行合同,依据合同法原理,表述正确的是()。
A.甲有权不按合同约定交货,除非乙提供了相应的担保
B.甲无权不按合同约定交货,但可以要求乙提供相应的担保
C.甲无权不按合同约定交货,但可以仅先交付部分货物
D.甲应按合同约定交货,但乙不支付货款可追究其违约责任
[单选题]国家电网有限公司“具有中国特色国际领先的能源互联网企业”的战略目标中,“国际领先”是( )。
A.基础
B.追求
C.方向
D.根本
[不定项选择题]共用题干
The Impact of Antarctic Ozone Hole
The Antarctic ozone(臭氧)hole is changing weather patterns across the Southern Hemisphere (半球),even affecting the tropics,scientists have concluded. The scientists______(51)the new study added the ozone hole into standard climate models to_______(52)how it might have affected winds and rains. They say rainfall has moved further south towards the pole and the effect has been_______(53)strong over Australia.
And of_______(54)interest was the southward of the Southern Hemisphere jet stream. These high一altitude winds are_______(55)to determining weather patterns,in both hemispheres. Much of the cold weather felt in the UK_______(56)the last couple of winters,for example,was caused by blocking of the Northern Hemisphere stream.
The team found that overall,the ozone hole has_______(57)in rainfall moving south along with the winds._______(58)there are regional differences,particularly concerning Australia. In terms of the average for that zone,the ozone hole_______(59)about a 10% change一but for Australia,it's about 35%.
Their modeling indicated that global warming_______(60)greenhouse gas emissions is also a factor in changing rainfall patterns.
Natural climate cycles are also thought to be important here,as different rainfall patterns were _______(61)in the era before ozone depletion(消耗)and late 20th Century warming.
Although the_______(62)international organization has significantly checked emissions of harmful substances,they_______(63)for decades in the atmosphere,and so their effects are still being felt.Earlier,and international organization forecast that even the Antarctic ozone hole一which is more severe than its_______(64)in the Northern Hemisphere一should be_______(65)by 2045—2060.
_________(62)
A.popular
B.controversial
C.distinctive
D.corresponding
[单选题] ( )时,禁止就地倒闸操作和更换熔丝。
A.大风
B.雷电
C.大雨
D.大雪
[多选题]患者,男,75岁,于3d前突然晕倒在地,当时右侧肢体无力,急诊拟“脑梗死”收入院,既往有高血压、阿尔茨海默病、前列腺增生、2型糖尿病史。入院查体:患者神志嗜睡,右上肢肌力2级,右上肢、双下肢中度水肿。血检验示:中性粒细胞65.1%,血小板计数436x10°/L,白蛋白30g/L,葡萄糖6.4mmol/L,D-二聚体0.9μg/ml,凝血酶原时间18.5s。该患者静脉血栓栓塞症的危险因素()( )
A.高龄
B.卧床
C.肢体活动受限
D.血液高凝状态
[单项选择]成人胸外心脏除颤采用()
A. 20~80W.s电能
B. 5~50W.s电能
C. 200W.s电能
D. 2W.s/kg
E. 500W.s电能
[判断题]中共八届二中全会正式通过了“鼓足干劲,力争上游,多快好省地建设社会主义”的总路线。( )
A.正确
B.错误
[简答题]专卖管理人员在日常检查过程中要遵守的行为规范?
[判断题]更改基座变换数据会导致机器人当前直交位置数据变化。( )
A.正确
B.错误
[单选题]配电屏内开关的操作手柄中心距地面一般为( )m。
A.1.2~1.5
B.1.2~1.8
C.1.0~1.2
D.1.0~1.5
[单项选择]双闭环系统结参数的设计、分析及系统调整时,应()进行。
A. 从外到内
B. 从内到外
C. 内外同时
D. 从中间向内外
[单选题]《高速铁路无砟轨道线路维修规则》规定,无缝线路改道、垫板作业在曲线半径大于等于2000m或直线区段,实际轨温相对锁定轨温-10℃及以下最多连续松开扣件数量为()个。
A.9
B.15
C.20
D.40
[判断题]扩频通信主要有两种工作方式,即直接序列扩频和跳频及扩频。
A.正确
B.错误
[多选题]岗级与岗等是按照( )进行划分的。
A.责任大小
B.技能要求
C.劳动强度
D.劳动环境
E.工作性质
[判断题]带电作业人员小明在使用屏蔽服前,用量程为0.1Ω~50Ω的电阻表对其检测,根据测量结果,衣裤任意两个最远端点之间的电阻值均不应大于25Ω,他认为该屏蔽服完好可用。
A.正确
B.错误
[单项选择]The items contained in the parcel don't correspond ______ those on the list that accompanied it.
A. against
B. for
C. from
D. with
[单选题]构成计算机物理实体的部件被称为 ( ) 。
A.计算机系统
B.计算机硬件
C.计算机软件
D.计算机程序
[单项选择]焦虑病人的非器质性病变导致出现躯体症状时,护士应
A. 对病人进行批评指正
B. 对病人有求必应
C. 要求病人采取深呼吸等方法进行放松
D. 鼓励病人表达感受,倾听病人的主诉
E. 立即对病人加以限制
[多选题](____)应有清晰准确的标识,所有进出管孔应用防火材料严密封闭。
A.电缆
B.设备
C.线缆
D.相关设施
[填空题]明代废爵堉著有《乐律全书》,他提出的“()”是对古代音乐理论的巨大贡献。
[单选题]CRH1车的每侧有()电池单元
A.40个
B.41个
C.42更换
D.43个
[判断题]初始设置授权时如法人人脸识别不通过,需法人本人持身份证件至开户网点核实。( )
A.正确
B.错误
[判断题]一般来说,封闭性断裂可以封闭瓦斯,瓦斯含量高。
A.正确
B.错误
[多项选择]根据《合伙企业法》的规定,在普通合伙企业中,当合伙企业的财产不足以清偿其债务时,下列人员中,应对合伙企业的债务承担连带责任的有( )。
A. 合伙企业债务发生后入伙的新合伙人
B. 合伙企业债务发生后自愿退伙的合伙人
C. 合伙企业债务发生后被除名的合伙人
D. 不参加执行合伙企业事务的合伙人