热门试题:
[单选题]蜗管位于何结构之内:
A.耳蜗
B.蜗轴
C.前庭阶
D.鼓阶
E.椭圆囊
[多选题]下列各化合物按碱性由强到弱的排序中错误的有,1、乙酰胺,2、乙胺,3、苯胺,4、对甲基苯胺,分别是。
A.2>4>3>1
B.1>4>3>2
C.2>3>4>1
D.4>2>3>1
[判断题]按照账户反映的经济内容分类, “资产减值损失”属于流动资产类账户。
A.正确
B.错误
[单选题] 三相负载不对称时应采用的供电方式为( )。
A.Y形连接并加装中线
B.Y形连接并在中线上加装熔断器
C.△角形连接并加装中线
D.Y形连接
[单项选择]费希纳定律表明,感觉的变化比刺激强度增长慢,即心理感觉量与物理刺激量的对数值成正比。公式为( )
A. I=KlgS
B. K=SlgI
C. S=KlgI
D. S=IlgK
[单选题]石英属于( )。
A.非晶体
B.晶体
C.晶格
D.晶粒
[单选题]发出内脏运动纤维加入舌咽神经的核团是
A.上泌涎核
B.下泌涎核
C.疑核
D.孤束核
E.楔束核
[判断题]精调计算时,平面位置以高轨(外轨)为基准,高程以低轨(内轨)为基准,直线区间上的基准轨参考大里程方向的曲线
A.正确
B.错误
[单选题] 增加玉米双穗率应在( )喷施矮壮素。
A.拔节期
B.苗期
C.扬花期
D.灌浆期
[单项选择]若对运行中的容器设备进行检查,以下哪项是不需要的( )。
A. 工艺条件
B. 设备状况
C. 人员设置
D. 安全装置
[单选题]某大工业用户现有1000kVA变压器1台,供电企业委托其对某普通工业用户转供电,该普通工业用户为三班制生产,某月该大工业用户最大需量表读数为800kW,普通工业用户的有功抄见电量81000kWh,按照合约需量收取基本电费,试求该大工业用户当月的基本电费为多少?[假设按最大需量计算的基本电费电价为20元/(kW·月)。]
A.13000元
B.12000元
C.6800元
D.8500元
[单项选择]牙髓坏死的临床表现如下,除外()
A. 牙暗灰不透明
B. 患牙叩诊正常
C. 牙冠变黑褐色
D. 电活力测验无反应
E. 温度测验正常
[单项选择]木雕的制作,其雕刻工具制约着木雕花的设计,有些设计的图案常规雕刻工具无法刻制出来,但从另一方面,也充分体现了雕刻工具的特点,体现( )的技法风格。
A. 刀凿并用
B. 加工力度
C. 制作方向
D. 用刀、运刀
[单选题]下列属于合理膳食的是
A. 霉变食物
B. 低盐食物
C. 低钾食物
D. 高脂肪食物
E. 低膳食纤维食物
[简答题]小包价旅游是指在全包价旅游基础上,扣除午餐或晚餐费用的一种包价形式。 ( )
修改:________________________
[单选题]在高压设备上工作,应至少由两人进行,并完成保证安全的( )。
A.技术措施和应急措施
B.组织措施和现场措施
C.组织措施和技术措施
D.应急措施和现场措施
[单选题]当怀疑设备存在低能量放电时,取油样检测应为()。
A.宜每天一次
B.宜每天二次
C.宜每周一次
D.宜每三天一次
[判断题]相撞:系指铁路机车车辆在运行过程中与行人、车挡、站台、非机动车及其他障碍物冲撞,造成人员伤亡、设备设施损坏。
A.正确
B.错误
[单选题]对于不适于连挂在列车中部但走行部良好的车辆,经列车调度员准许,可挂于列车尾部,以( )辆为限,如该车辆的自动制动机不起作用时,须由车辆人员采取安全措施,保证不致脱钩。
A.一
B.二
C.三
D.四
[单选题]队列人员之间距离(前一名脚跟至后一名脚尖)约 ( )厘米。
A.60
B.65
C.70
D.75
[单选题]The social sciences are flourishing.As of 2005,there were almost half a million professional social scientists from all fields in the world,working both inside and outside academia.According to the World Social Science Report 2010,the number of social-science students worldwide has swollen by about 11%every year since 2000.Yet this enormous resource in not contributing enough to today’s global challenges including climate change,security,sustainable development and health.(1)______Humanity has the necessary agro-technological tools to eradicate hunger,from genetically engineered crops to arificial fertilizers.Here,too,the problems are social:the organization and distribution of food,wealth and prosperity.(2)____This is a shame—the community should be grasping the opportunity to raise its influence in the real world.To paraphrase the great social scientist Joseph Schumpeter:there is no radical innovation without creative destruction.Today,the social sciences are largely focused on disciplinary problems and internal scholarly debates,rather than on topics with external impact.Analyses reveal that the number of papers including the keywords“environmental changed”or“climate change”have increased rapidly since 2004,(3)____When social scientists do tackle practical issues,their scope is often local:Belgium is interested mainly in the effects of poverty on Belgium for example.And whether the community’s work contributes much to an overall accumulation of knowledge is doubtful.The problem is not necessarily the amount of available funding(4)____this is an adequate amount so long as it is aimed in the right direction.Social scientists who complain about a lack of funding should not expect more in today’s economic climate.The trick is to direct these funds better.The European Union Framework funding programs have long had a category specifically targeted at social scientists.This year,it was proposed that system be changed:Horizon 2020,a new program to be enacted in 2014,would not have such a category,This has resulted in protests from social scientists.But the intention is not to neglect social science;rather,the complete opposite.(5)____That should create more collaborative endeavors and help to develop projects aimed directly at solving global problems.
[A]It could be that we are evolving two communities of social scientists:one that is discipline-oriented and publishing in highly specialized journals,and one that is problem-oriented and publishing elsewhere,such as policy briefs.
[B]However,the numbers are still small:in 2010,about 1,600 of the 100,000 social-sciences papers published globally included one of these Keywords.
[C]the idea is to force social to integrate their work with other categories,including health and demographic change food security,marine research and the bio-economy,clear,efficient energy;and inclusive,innovative and secure societies.
[D]the solution is to change the mindset of the academic community,and what it considers to be its main goal.Global challenges and social innovation ought to receive much more attention from scientists,especially the young ones.
[E]These issues all have root causes in human behavior.All require behavioral change and social innovations,as well as technological development.Stemming climate change,for example,is as much about changing consumption patterns and promoting tax acceptance as it is about developing clean energy.
[F]Despite these factors,many social scientists seem reluctant to tackle such problems.And in Europe,some are up in arms over a proposal to drop a specific funding category for social-science research and to integrate it within cross-cutting topics of sustainable development.
[G]During the late 1990s,national spending on social sciences and the humanities as a percentage of all research and development funds-including government,higher education,non-profit and corporate-varied from around 4%to 25%;in most European nations,it is about 15%.
1选?
A.A
B.B
C.C
D.D
E.E
F.F
G.G
[不定项选择题]A.干扰素
A.乙醚
B.青霉素
C.-70℃
D.紫外线
E.最易破坏病毒包膜的因素是
[多选题]掌持队旗的姿势分为( )
A. 拿旗
B. 持旗
C. 扛旗
D. 端旗
[多选题]能够激发人的工作能力的动力包括()。
A.物质动力
B.精神动力
C.信息动力
D.能量动力
E.激励动力
[单项选择]女性不孕最常见的原因是()。
A. 输卵管因素
B. 子宫因素
C. 排卵障碍
D. 宫颈因素
E. 阴道因素
[多选题]引发事故的基本因素有( )
A.不安全状态
B.安全法制
C.起因物
D.致害物
E.伤害方式
[多选题]分水器、水枪(炮)阵地应设置在便于(),且相对安全的位置。
A.观察
B.进攻
C.转移
D.撤离
[单选题]党的十八大报告指出: 建设中国特色社会主义总布局是( ) 。”
A. 社会主义初级阶段
B. 五位一体
C.与时俱进
D.统筹推进
[判断题]未按规定办理挂失、换折、抹账、错账冲正、密码重置等业务的,造成不良后果的,给予记大过至降级处分。
A.正确
B.错误
[单选题]当产品的设计、工艺、生产条件或使用的材料及主要元件发生重大改变而影响到产品性能时,应做相应的型式试验并提供试验报告。
A.A、正确
B.B、错误
[单选题]打叶风分机组切向落料器的结构主要由进料管、排气筒、( )、星形排料阀和除砂屉等部件组成。
A.排放罩
B.循环风管
C.风机
D.分料器体
[单选题]221351.当频率低于谐振频率时,R、L、C串联电路呈( )。( )
A.感性
B.阻性
C.容性
D.不定性
[单选题]公众责任保险承担经济赔偿责任的最高限额是指( )。
A.免赔偿
B.赔偿限额
C.赔偿额度
D.赔偿责任
[单项选择]下面哪项不参与眼眶壁的构成()
A. 筛骨
B. 上颌骨
C. 鼻骨
D. 蝶骨
E. 颧骨
[单选题]起飞风切变警告在滑跑速度大于__时被抑制,此时若前方有风切变ND上__自动显示风切变:
A.80海里,能
B.80海里,不能
C.100海里,能
D.100海里,不能
[单项选择]通过和解协议,由出席会议的有表决权的债权人过半数同意并且其所代表的债权额占无财产担保债权总额的多少比例以上的,方为通过( )。
A. 2/3
B. 1/2
C. 3/4
D. 4/5
[多选题]岩心清理时,对岩心( )进行清洁处理,含油岩心禁止水洗。[1分]
A.表面
B.断面
C.剖开面
D.新鲜面