热门试题:
[单项选择]根据项目NEC《工程施工合同》,关于合同履行管理的说法,正确的是()。
A. 合同争议首先提交给当事人共同选定的“评判人”
B. 施工过程中发生的有关事项由工程师和承包商协商确定
C. 工程师应对合同争议作出决定
D. 工程师的职责不仅仅限于工程实施的质量管理
[单项选择]最早记载常山和蜀漆治疟的著作是
A. 《千金要方》
B. 《神农本草经》
C. 《本草纲目》
D. 《新修本草》
E. 《金匮要略》
[单选题]调试报告应该详细记录这个调试过程中的每个细节,对遇到的问题要准确描述现象,详尽记录解决过程和所用的(____)。
A.工具
B.方法
C.标准
D.理论
[单选题]吊装带用于不同承重方式时,应严格按照( )使用。
A.人员的经验
B.标签给予的定值
C.吊装带尺寸
D.吊装带长度
[填空题]测量用的电流回路的导线截面积要与( )的电流相适应。
[判断题]转向架的主要功用是承担机车重量,产生并传递牵引力和制动力,实现机车在线路上的行驶。
A.正确
B.错误
[不定项选择题]共用题干
Citizen Scientists
Understanding how nature responds to climate change will require monitoring key life cycle events-flowering,the appearance of leaves,the first frog calls of the spring-all around the world.But ecologists can't be______(51)so they are turning to non-scientists,sometimes called citizen scientists,for help.
Climate scientists are not present everywhere.______(52)there are so many places in the world and not enough scientists to observe all of them,they are asking for your help in_______(53)signs of climate change across the world.The citizen scientist movement encourages______(54)people to observe a very specific research interest-birds,trees,flowers budding,etc-and send their observations______(55)a giant database to be observed by professional scientists.This helps a small number of scientists track a______(56)amount of data that they would never be able to gather on their own.______(57)like citizen journalists helping large publications cover a hyper-local beat,citizen scientists are ready for the conditions where they live.______(58)that's needed to become one is a few minutes each day or each week to gather data and_______(59)it in.
A group of scientists and educators launched an organization last year______(60) the National
Phenology(生物气候学)Network."Phenology" is what scientists call the study of the timing of events in nature.
One of the group's first efforts relies on scientists and non-scientists______(61)to collect data about plant flowering and leafing every year.The program,called Project BudBurst,collects life cycle______(62)on a variety of common plants from across the United States.People participating in the project-which is______(63)to everyone-record their observations on the Project BudBurst website.
"People don't______(64)to be plant experts-they just have to look around and see what's in their neighborhood,"says Jennifer Scheartz,an education consultant with the project."As we collect this data,we'11 be able to make an'estimate of______(65)plants and communities of plants and animals will respond as the climate changes."
_________59
A.send
B.print
C.answer
D.keep
[判断题]矿井防治水最重要的一个环节,就是防治地表水或大气降水的渗透补给。 ( )
A.正确
B.错误
[单选题]正线道岔防爬器安装数量和方式表规定,单线铺设木枕时,18号道岔辙叉趾前正方向/反方向安装数量为( )对。
A.43559
B.43618
C.43622
D.43681
[判断题]根据《山东省安全生产条例》,其他负有安全生产监督管理职责的部门应当按照国家有关规定及时将本行业、领域的生产安全事故情况报送同级人民政府安全生产监督管理部门。
A.正确
B.错误
[单选题]基金宣传推介材料可以登载该基金、基金管理人的其他基金的过往业绩,但基金合同生效不足( )个月的除外。
A.1
B.3
C.6
D.12
[单选题]对公司型基金而言,以( )为主要收入来源。
A.转让财产收入,股息、红利等权益性投资收益
B.销售货物收入
C.利息收入
D.提供劳务收入
[单项选择]用于分离压缩空气中凝聚的水分和油分等杂质,使压缩空气得到初步净化的设备是()。
A. 冷却器
B. 油水分离器
C. 滤清器
D. 冷干机
[填空题]担负放空点燃人员要专业精干,做好安全防护,明确紧急( ),必要时设置掩体,组织水枪实施掩护。
[单项选择]第二篇
Eye-tracker Lots You Drag and Drop Files with a Glance
Bored of using a mouse Soon you’ll be able to change stuff on your computer screen – and then move it directly onto your smartphone or tablet(平板电脑) –with nothing more than a glance.
A system called EyeDrop uses a head-mounted eye tracker that simultaneously records your field of view so it knows where you are looking on the screen. Gazing at an object – a photo, say – and then pressing a key, selects that object. It can then be moved from the screen to a tablet or smartphone just by glancing at the second device, as long as the two are connected wirelessly.
"The beauty of using gaze to support this is that our eyes naturally focus on content that we want to acquire," says Jayson Turner, who developed the system with colleagues at Lancaster University, UK.
Turner believes EyeDrop would be useful to transfer an interactive map or contact information from a public
A. How to drag and drop with gaze and taps.
B. How to present the system in public.
C. How to get touch screen involved.
D. How to cut and paste content from a public display.
[单选题]以下哪项不是工作负责人应负的安全责任。( )
A.确认工作票所列安全措施正确、完备,符合现场实际条件,必要时予以补充
B.正确、安全地组织工作
C.工作前向工作班全体成员告知危险点,督促、监护工作班成员执行现场安全措施和技术措施
D.确认所派工作负责人和工作班人员适当、充足
[多项选择]按照房地产基本存在形态划分,房地产价格包括()。
A. 土地价格
B. 单位价格
C. 楼面地价
D. 建筑物价格
E. 房地价格
[判断题]缴税扣款协议的删除可在协议的原签约行或开启行签订,也可跨机构进行删除。
A.正确
B.错误
[单选题]电动潜油螺杆泵的工作深度可以达到( )。
A.1000m
B.1200m
C.1500m
D.2000m
[单选题]最紧急的处理措施为
A.人工呼吸
B.吸氧
C.肌内注射呼吸中枢兴奋剂
D.心脏按压
E.清理呼吸道
[单项选择]根据《城乡规划法》规定,在城市规划区进行建设需要申请用地的,应当依法向城市规划行政主管部门申请取得
A. 选址意见书
B. 建设用地规划许可证
C. 建设工程规划许可证
D. 建设用地土地使用权证
[单选题]静电系电压表误差主要是由( ) 引起。 [1分]
A. 人的操作
B.外电场
C.外磁场
D. 温度
[多选题]数字万用表可测量()。
A.电压
B.电阻
C.电流
D.电容
[单项选择]It can be implied that the cars of 2020 _________.
[单选题]《安全生产法》规定,单位应对( )登记建档,定期检测、评估、监控,并制定应急预案。
A.危险物品
B.一般危险源
C.重大危险源
D.所有危险源和危险物品
[单选题]《危险化学品安全管理条例》规定,禁止利用内河以及其他封闭水域等航运渠道运输( )。( )
A.易燃液体
B.氧化剂
C.遇湿易燃物品
D.剧毒化学品
[判断题]公共航空运输企业在运行中发现机场、空管等单位不符合安保标准或要求,或者安保设施达不到标准时,应当及时通报机场管理机构、空管部门并报告民航局公安局。
A.正确
B.错误
[单项选择]女娲抟土造人,折下(),蘸了泥浆,甩出去的泥点落在地上,变成了人。
A. 树枝
B. 藤条
C. 柳条
D. 荷叶
[单选题]存储容量1MB为____。
A.100KB
B.1024KB
C.8000KB
D.1000KB
[单选题]血栓闭塞性脉管炎的早期症状主要是 ( )
A.小腿和足部酸痛
B.游走性静脉炎
C.患肢萎缩
D.间歇性跛行
[多选题]下列关于企业负债能力分析的说法中,错误的有()。
A.现金流量与负债比率可以衡量企业短期偿债能力,计算时分母的“流动负债”采用平均数更为合理
B.营运资本是长期资本用于流动资产的部分,营运资本越多,企业财务状况越稳定
C.已获利息倍数表明每1元利息支出有多少倍的净利润作为偿付保障,可以反映企业的短期偿债能力
D.产权比率和权益乘数是资产负债率的另外两种表现形式,都可以用于反映企业的资本结构
[单选题]导体对电流的阻碍作用称为电阻,其值与导体面积( ) 。
A.相等
B.不相等
C.成正比
D.成反比
[单选题](共用题干)女性,48 岁。发作性剑突下及右上腹绞痛 3 天,伴有寒战,半年前有类似发作史。查体:体
温 39℃,脉搏 110 次/分,血压 140/85mmHg。血常规检查:WBC12×109/L,N80%,神志清楚,皮肤、巩膜轻度黄
染,右肋缘下触及肿大的胆囊、触痛。首选的检查方法是
A.腹部 B 超
B. MRCP
C.ERCP
D.PTC
E.腹部 CT