热门试题:
[单项选择]《国内航行海船法定检验技术规则》(2004)生效日期是()
A. 2004年5月1日
B. 2004年3月1日
C. 2004年9月1日
D. 2004年10月1日
[单选题]作业人员应在( )的保护范围内作业。
A.开关
B.接地线
C.闸刀
D.负荷开关
[单项选择]总时差是指在不影响( )的前提下,工作i-j可以利用的机动时间。
A. 总时间
B. 总进度
C. 总工期
D. 总任务
[单项选择]急性心肌梗死早期(24小时内)死亡的主要原因是()
A. 心律失常
B. 急性左心衰竭
C. 心源性休克
D. 心脏破裂
E. 缺血再灌注损伤
[不定项选择题]患儿女,3岁。发热、咽峡炎病后2日内出疹,为在充血的皮肤上有鲜红皮疹。血象:白细胞总数18×10^9/L,中性粒细胞0.85。患儿所在幼儿园中也有类似症状的患儿。
本病可能的诊断是
A.水痘
B.带状疱疹
C.麻疹
D.猩红热
E.风疹
F.手足口病
[单项选择]President Coolidge’’s statement, "The business of America is business," still points to an important truth today—that business institutions have more prestige (威望) in American society than any other kind of organization, including the government. Why do business institutions possess this great prestige
One reason is that Americans view business as being more firmly based on the ideal of competition than other institutions in society. Since competition is seen as the major source of progress and prosperity by most Americans, competitive business institutions are respected. Competition is not only good in itself, it is the means by which other basic American values such as individual freedom, equality of opportunity, and hard work are protected.
Competition protects the freedom of the individual by ensuring that there is no monopoly (垄断) of power. In contrast to one, all-powerful government, many businesses compete against each other for profits. Theoretically, if one business
A. its absolute control of power
B. its function in preserving personal freedom
C. its role in protecting basic American values
D. its democratic way of exercising leadership
[单选题]车辆长距离运行途中,轴箱温度不得超过(0.6x环境温度+50℃),应注意观测轴箱温度变化,如发现异常,必须立即停车检查处理,确保运行安全。
A. 对
B. 错
[多项选择]判断进行性血胸的指标有()
A. 胸穿抽出新鲜血,且易凝固
B. 肺萎陷逐渐加重
C. 输血输液后血压回升后又下降
D. 重复检测血红蛋白与红细胞压积不断降低
E. 血压继续下降,脉搏加快
[单选题]__________ the new restaurant's grand opening was later than anticipated,most critics agreed that the excellent food and service were worth the wait.
A.although
B.otherwise
C.despite
D.until
[单项选择]Travelingaroundtheworldiseasynowadays.It __________ justafewhourstocrosstheAtlanticbyplane
A. takes
B. take
C. took
D. is taken
[判断题]外保内货是指担保人注册地在境外、债务人和债权人注册地均在境内的跨境担保。
A.正确
B.错误
[填空题]
In recent years, there has been a big increase in air travel
and many large airports have now reached the limit of the number of aircraft
movements they can handle. The problem is made worse by the size of many major
cities which prevents the extension of existing airports. Any new airports to be
built a long way from city centers will create communication problems and in
many countries there simply isn’t enough land for such developments.
Now a new proposal has been put forward which would help to relieve the
congestion (拥挤), as far as short flights are concerned. This involves the use of
smaller aircraft, carrying about 50 passengers, which only require a short take
- off or landing area and which make comparatively little noise because they are
propeller -driven (螺旋桨推进). Such aircraft could operate much nearer city centers,
say, on disused industrial sites, and give a good service to businessmen and
other travelers who are going between ce
[单项选择]
The food we eat seems to have profound effects on our health.Although science has made enormous steps in making food more fit to eat ,it has, at the same time,made many foods unfit to eat. Some research has shown that perhaps eighty percent of all human illnesses are related to diet and forty percent of cancer is related to the diet as well,especially cancer of the colon. Different cultures are more likely to cause certain different illnesses because of the food that is characteristic in these cultures. That food is related to illness is nto a new discovery. In 1945, about 35 years ago, government researchers realized that nitrates, commonly used to preserve color in meats,and other food additives,caused cancer. Yet, these carcinogenic additives remain in our food, and it becomes more difficult all the time to know which things on the packaging labels of processed food are helpful or harmful. The additives which we eat are not all so direct. Farmers often give penicillin to beef
A. They preserve flavor in packaged foods.
B. They preserve the color of meats.
C. They are the objects of research.
D. They cause the animals to become fatter.
[单项选择]运用期权估价法评价企业价值时主要适应于评估()。
A. 高成长、高风险企业的未来价值
B. 高成长、高风险企业的现在价值
C. 比较稳定、灵活性不大企业的未来价值
D. 比较稳定、灵活性不大企业的现在价值
[多选题] 各种行车簿册除有特殊规定外,一律使用黑色笔迹的()填写,《行车日志》中的客车使用红色笔迹填写。
A.铅笔
B.钢笔
C.圆珠笔
D.碳素笔
[单项选择]关于超导型磁体的说法,错误的是()
A. 超导型磁体既适用于低场磁共振设备,也可用于高场及超高场的磁共振设备
B. 超导型磁体的磁共振设备,其磁场方向既可以是水平方向的,也可以是垂直方向的
C. 超导型磁体的磁场均匀性很高
D. 超导型磁体需要液氦作为制冷剂
E. 超导型磁体的磁共振设备造价相当昂贵
[单选题]李大爷因便秘向护士小王求助咨询,小王随即建议其服用果导片,小王的这种做法违背以下哪项用药原则( )
A.先明确诊断,后用药
B.先非药物疗法,后药物疗法
C.先老药,后新药
D.先外用药,后内服药
E.用药方案简单明了
[多选题]高、中压主汽门、调门试验条件有( )。
A.发电机负荷650MW左右,负荷≯800MW且负荷≮400MW。
B.机组并网,负荷控制(51MYA01DU060)激活
C.补汽阀(51MAA14FG151)关闭
D.高中压主汽门均开
E.主机及各辅助系统运行情况良好,参数稳定
[判断题]热力管道的敷设形式分为架空敷设和地面敷设两种。
A.正确
B.错误
[填空题]静物摄影的基本要求是以合理的()、布光来充分表达适合静物形态特征的构思。
[多选题].“三体系”质量目标的内容有哪些()。
A.工程一次交付合格率100%
B.施工合同履约率100%
C.顾客满意率90%以上
D.检测设备检定合格率100%
[单项选择]邪气侵犯人体后能否发病取决于()
A. 正气的盛衰
B. 邪气的性质
C. 感邪的轻重
D. 禀赋的强弱
E. 邪正斗争的胜负
[多选题]经济全球化过程中的不平等体现在( )等几个方面。
A.决策参与权
B.利益分配
C.成本分担
D.国家地位
E.分工结构
[判断题]在电气化区段,押车人员不得登上车顶,停车检查时应避免与接触网支柱及附近金属结构物接触。(安规2.4.14条)
( )
A.正确
B.错误
[多选题]日常应加强可动心轨辙叉道岔()部件的检查.维修
A.防松螺母的位置.扭矩和上下螺母间隙
B.滑床板及护轨垫板的弹片.弹片销钉.短心轨转向轴线顶铁的位置.方向和间隙
C.钢枕的位置.钢枕塑料垫板及胶垫的位置.钢枕立柱螺栓的扭矩.钢枕上垫板的位置。
D.长心轨与短心轨联结螺栓的扭矩
[单选题]挖掘出的电缆或接头盒,如下面需要挖空时,必须将其悬吊保护,悬吊电缆应每隔约()吊一道。
A.1.0~1.5米
B.1.5~2.0米
C.2.0~2.5米
D.0.5~1.0米
E.lue
[多项选择]专业技术资格评审结果确定后,由干部部门对取得专业技术资格人员的《专业技术资格评审表》加盖()印章后,归入本人档案。
A. 单位党委
B. 评审委员会
C. 军政主官
D. 主任委员
[单项选择]太平天国的结婚证书叫()。
A. 合挥
B. 聘书
C. 婚约
D. 合约
[单项选择]在我国,90%以上的真菌病由它引起()。
A. 浅部真菌
B. 深部真菌
C. 两者均有
D. 两者均无
[单项选择]发生下壁心肌梗死时出现V1导联R波增高,最可能的原因为()。
A. 右束支阻滞
B. 右心室肥厚
C. 正常变异
D. 后壁心肌梗死
E. 预激综合征
[单选题]( )负有安全生产技术决策和指挥权,强化部门安全生产职责,落实一岗双责。
A.主要技术负责人
B.班长
C.安全员
D.生产科长
[判断题]起重机司机应填写运行、交接班等记录。
A.正确
B.错误
[单项选择]
混凝土钻孔灌注桩桩径为0.8m,混凝土保护层厚度为50mm,桩的水平变形系数为0.25m-1,桩长20m,桩顶入土深度为1.0m,桩身配筋率为0.60%,钢筋弹性模量与混凝土弹性模量的比值为10,桩顶轴向压力为3000kN,混凝土抗拉强度为1.1MPa。据《建筑桩基技术规范》(JGJ94—94),单桩水平承载力设计值为()kN。(注:桩顶按自由端考虑)
A. 113
B. 123
C. 135
D. 145