热门试题:
[单选题]数据通信专业与传输通信专业的维护分界点在( )。
A.以传输机房的配线架上的连接器为界
B.以传输机房的配线架为界
C.以传输机房的ODF架为界
[单选题]肺炎链球菌最重要的致病因素是( )。
A.炎症因子
B.蛋白水解酶
C.内毒素
D.外毒素
E.荚膜侵袭性
[单项选择]患者,女性,57岁,左眼红痛、视力减退12小时。PE://Vod0.7,VosCF/30cm,右眼无充血,角膜透明,前房轴深2.5C.T.,周边1/4C.T.,房水(-),瞳孔3mm×3mm,晶状体轻度混浊。左眼结膜混合充血(++),眼压50mmHg,角膜雾状水肿(+),上皮可见小水泡,KP(+),前房轴深2.5C.T.,周边1/5C.T.,房水闪辉(+),瞳孔不规则形,5mm×4mm,晶状体轻度混浊。接诊患者后首选的治疗方式应该是()。
A. 局部及全身应用降眼压药物治疗
B. 施行前房穿刺术降眼压
C. 作激光周边虹膜切除术及周边虹膜成形术沟通前后房、解除瞳孔阻滞
D. 急诊行小梁切除术
E. 上述均不是
[填空题]For some educators, there is nothing wrong with fun and games. A group called the Education Arcade recently held a conference in Los Angeles to discuss the future of
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games. The Education Arcade brings together international game designers, publishers, teachers and policymakers. They say they want to lead
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in the way the world learns through computer and video games.
The
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was part of E-three, the Electronic Entertainment Exposition. This is a yearly trade
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where companies show off new games and educational products.
The Education Arcade started at the Massachusetts Institute of Technology, near Boston. Professors worked with the Microsoft company to create what they called the Games-to-Teach Project. The group began to
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ways to use technology in teaching and learning. They worked with game designers to develop ideas about how
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and science could mix with game playing. The Education Arcade is the research part of this Games-to-Teach Project.
The group recently announced that a "Games for Learning" statement will be
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on some products. This should begin to appear in American stores in about six months. The
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is to help people find games that are fun but will also teach. The Education Arcade says it also wants to get businesses to produce more games that teach.
Companies have been creating systems like hand-held educational
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made by LeapFrog. And new educational role-playing games are being developed. M.I.T. and the Colonial Williamsburg Foundation in Virginia are developing a game called "Revolution." Players will get to experience the American Revolution
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.
A. placed B. mathematics C. primarily D. goal
E. occurrences F. show G. explore H. estimated
I. radical J. educational K. change L. online
M. devices N. conference O. inherit
[判断题]线路设备维修是根据线路设备变化规律,维持列车以规定速度安全和不间断地运行而对线路进行的日常维护和小规模修理。
A.正确
B.错误
[单项选择]根据评价在教学活动中的作用,可分为诊断性评价、( )。
A. 正式评价和非正式评价
B. 相对评价和绝对评价
C. 形成性评价和总结性评价
D. 正确评价和错误评价
[单项选择]财务费用的损失要求补偿,是指因各种原因使承包人财务开支增大而导致()增加的财务费用。
A. 机械台班费
B. 税金
C. 贷款利息
D. 管理费用
[单项选择]设有供应商关系S和零件关系P,它们的主码分别是“供应商号”和“零件号”,而且,零件关系P的属性“颜色”只能取值为(红,白,蓝)。 S P 供应商号 供应商名 所在城市 零件号 颜色 供应商号 B01 红星 北京 010 红 B01 S10 宇宙 上海 201 蓝 T20 T20 黎明 天津 312 白 S10 Z01 立新 重庆 以下操作不能正常执行的是______。
A. 删除关系S中供应商号为’B01’的行
B. 删除关系S中供应商号为’Z01’的行
C. 向关系P插入新行(’301’,’红’,’B01’)
D. 向关系S插入新行(’B02’,’红星’,’南京’)
[判断题]安全责任清单实行动态管理,当组织职能或岗位职责发生变化时,应在三个月内完成安全责任清单修订。
A.正确
B.错误
[判断题]PLC控制器是控制装置各个元器件的通断:( )
A.正确
B.错误
[单项选择]在无对照品时,用紫外分光光度法测定含量可选用()
A. 标准曲线法
B. 吸收系数法
C. 对照法
D. 内标法
E. 外标法
[判断题]构成一般C24事故的情形是无调度命令施工,超范围施工,超范围维修作业。( )
A.正确
B.错误
[单选题]在同期并列中规定,同步表两侧频率差在( )Hz以内时,才允许将同步表电路接通
A.±0.1
B.±0.2
C.±0.5
D.±0.75
[单项选择]首先应采取的紧急措施是
A. 静脉注射西地兰
B. 静脉注射氯化钾
C. 静脉注射多巴胺
D. 静脉注射高渗葡萄糖
E. 静脉注射5%碳酸氢钠
[单项选择]加密信息所使用的数学公式是密码术的哪一部分()
A. 明文
B. 密文
C. 加密法则
D. 密钥
[单选题]因水害造成行车事故的,按《铁路交通事故调查处理规则》的规定由( )对事故进行定责定性。
A.A、工务部门
B.B、运输部门
C.C、公安部门
D.D、安监部门
[多选题]DWDM光接收机的关键参数有()
A.漂移特性
B.接收灵敏度
C.抖动
D.过载点
[简答题]岩屑描述砂岩定名中,主、次粒级定名法:岩石中两种粒级的含量均<50%,都≥35%,则主次联合定名。
[填空题]1996年校长何向荣获( )工业部人事教育司96年度技工教育先进工作者。
[单项选择]哪个软件可以进行阵列扩展操作?()
A. RBSU
B. ACU
C. SAN
D. ORCA
[多选题]资本主义政权的分权制衡是指:
A.立法权
B.管理权
C.行政权
D.司法权
[多选题]对锅炉进行化学清洗时,一般用哪三种药品( )。
A.絮凝剂
B.清洗剂
C.缓蚀剂
D.添加剂
[判断题]DDN专线是点到点的链路,它给予用户访问整个链路带宽的可能性。
A.正确
B.错误
[单选题]1.49 有下列哪种违法行为的机动车驾驶人将被一次记12分?
A.驾驶故意污损号牌的机动车上道路行驶
B.机动车驾驶证被暂扣期间驾驶机动车的
C.以隐瞒、欺骗手段补领机动车驾驶证的
D.驾驶机动车不按照规定避让校车的
[多选题]SS4改型电力机车车体的台架焊装于车体底架上,其上安装各种(),其下空间安装()、()及()。
A.电气设备
B.冷却风道
C.空气管路
D.布线
[单项选择]还原核心文件,如果需要还原核心系统还原文件,请使用以下命令()
A. MMC
B. sfc/scannow
C. compmgmt.msc
D. perfmon/res
[填空题]___是风力发电机组在保证安全的前提下所能承受的最大风速。
[单选题]-C-003 3 2 3
压力容器焊后热处理的目的是( )。
A.稳定结构尺寸和改善热影响区的组织性能
B.减少焊缝中的气孔和消除焊接残余应力
C.消除残余应力和改善热影响区的组织性能
D.稳定结构尺寸和减少焊缝中的气孔
[判断题]3.756. 操作票填全部操作完毕后进行复查。复查确认后,受令人应立即汇报发令人。
A.正确
B.错误
[单项选择]含硫污水汽提塔塔顶超温易造成酸性气()。
A. 带烃
B. 带氨
C. 带水
D. 带油
[判断题]监控管理员应定时关注视频监控系统设施的运行情况,保证其始终处于良好的工作状态。
A.正确
B.错误
[单选题]22
下列( )类花卉包括乔木、灌木、木质藤本花卉。
A.木本花卉
B.草本花卉
C.球根花卉
D.宿根花卉
[单项选择]排便失禁的护理措施不妥的是( )
A. 指导患者做盆底肌练习
B. 观察排泄规律
C. 定时帮患者使用便盆排便
D. 预防压疮发生
E. 便后用温水清洁肛周,保持皮肤湿润
[判断题]铁路运输调度规则规定:超长、超重货物车辆的挂运,必须纳入日(班)计划。
A.正确
B.错误
[单项选择]
Science is a dominant theme in our culture. Since it touches almost every facet of our life, educated people need at least some acquaintance with its structure and operation. They should also have an understanding of the subculture in which scientists live and the kinds of people they are. An understanding of general characteristics of science as well as specific scientific concepts is easier to attain if one knows something about the things that excite and frustrate the scientists.
This book is written for the intelligent student of lay person whose acquaintance with science is superficial; for the person who has been presented with science as a musty storehouse of dried facts; for the person who has been presented with science as the production of gadgets; and for the person who views the scientists as some sort of magicians. The book can be used to supplement a course in any science, to accompany any course that attempts to give an understanding of the modern world, or
A. long for deeper understanding of science
B. are good at producing various gadgets
C. work in a storehouse of dried facts
D. are interested in popular science
[单项选择]在铝合金的生产中,熔体的流动性对铸件的质量影响至关重要,在常规测定流动性时,其主要受合金元素及()的影响。
A. 压力
B. 杂质
C. 温度
D. 粘度
[单项选择]在施工用电检查表中,外电防护这一保证项目缺项(该项20分),其余的“保证项目”检查实得分合计为20分(应得分值为40分),该分项检查表得分为()分。
A. 50
B. 60
C. 70
D. 0