[判断题]中间继电器用于增加触点数量和触点容量,具有动合接点和动断接点-我要搜题网

[单项选择]Given the advantages of electronic money, you might think that we would move quickly to the cashless society in which all payments are made electronically. 1 a true cashless society is probably not around the corner. Indeed, predictions have been 2 for two decades but have not yet come to fruition. For example, Business Week predicted in 1975 that electronic means of payment would soon "revolutionize the very 3 of money itself," only to 4 itself several years later. Why has the movement to a cashless society been so 5 in coming 　　Although electronic means of payment may be more efficient than a payments system based on paper, several factors work 6 the disappearance of the paper system. First, it is very 7 to set up the computer, card reader, and telecommunications networks necessary to make electronic money the 8 form of payment Second, paper checks have the advantage that they 9 receipts, something that many consumers are unwilling to 10 . Third, the use of paper
A. hide
B. express
C. raise
D. ease

查看答案

[简答题]何谓强起拍？

查看答案

[不定项选择题]党的十八大报告提出,从2010年到2020年要实现“两个倍增”计划是( )
A.国内生产总值倍增
B.进出口贸易额倍增
C.外汇储备量倍增
D.城乡居民收入倍增

查看答案

[单选题]工程建设中如果采用国际标准或者国外标准,而我国现行强制性标准未作规定的,( )应当向国务院建设行政主管部门或者国务院有关行政主管部门备案。
A.建设单位
B.施工单位
C.设计单位
D.质量监督机构

查看答案

[单选题]实行寿命管理的配件无制造单位、时间标记或超过使用寿命的配件，应（）。
A.A按厂修时间
B.B不得装车使用
C.C按制造时间
D.D按装车时间

查看答案

[单项选择]You have lost datafile 4 from your database. Which is typically the fastest way to restore your database? （）
A. Restore and recover the datafile.
B. Restore and recover the tablespace.
C. Restore and recover the database.
D. Restore and recover the control file.
E. Restore and recover the parameter file.

查看答案

[单项选择]49岁妇女，患无排卵型功血。本次停经50天后，阴道大量流血。妇科检查：子宫稍大而软，双附件未见异常。下列哪项处理不妥
A. 刮宫止血
B. 丙酸睾丸酮止血
C. 黄体酮止血
D. 黄体酮与丙酸睾丸酮合并使用
E. 药物治疗无效行子宫切除术

查看答案

[单项选择]为了提高工作效率，磨削较软的金属和粗加工时，选用（）。
A. 疏松的砂轮
B. 组织密集的砂轮
C. 硬度很高的砂轮
D. 有一定钝化程度的砂轮

查看答案

[单项选择]

All Americans are at least vaguely (1) with the (2) of the American Indian. Cutbacks in federal programs for Indians have made their problems (3) more severe in recent years. Josephy reports," (4) 1981 it was estimated that cut, backs in federal programs for Indians totaled about $ 500 million" (5) mole than ten times the cuts affecting their (6) fellow Americans. This reduced funding is affecting almost all aspects of reservation life, (7) education. If the Indians could solve their (8) problems, solutions to many of their other problems might not be far behind. In, this paper the current status of Indian education will be described and (9) and some ways of improving this education will be proposed.
Whether to (10) with the dominant American culture or to (11) Indian culture has been a longstanding issue in Indian education. The next fifty years became a period of (12) assimilat
A. reserve
B. converse
C. detain
D. preserve

查看答案

[判断题]样冲用工具钢制成，并须淬火硬化，样冲的尖角一般磨成75°～90°。
A.正确
B.错误

查看答案

[多项选择]紧急避险必须具备的条件是（）。
A. 必须是为了避免国家、公共利益、本人或者他人的人身、财产和其他权利遇到危险而采取的
B. 必须是正在发生危险的情况下采取的
C. 必须是在不得已的情况下采取的，如果能采取其他方法避免危险，就不能实施紧急避险行为
D. 紧急避险行为不能超过必要的限度

查看答案

[多选题]( )调车，遇特殊情况须进入距线路终端（挡车器）10m以内或挂取距线路终端（挡车器）不足( )m的车辆时，必须在距线路终端（挡车器）或停留车10m处一度停车，再以不超过( )km/h速度运行或连挂。单机或牵引运行挂取距线路终端（挡车器）不足10m的车辆前，应通知( )。
A.尽头线
B.10
C.5
D.司机

查看答案

[单选题]中间站停留车辆（），均应连挂在一起。
A.超过1.5‰坡道时
B.超过2.5‰坡道时
C.超过4‰坡道时
D.无论停留的线路是否有坡道

查看答案

[单选题] X型四轴多旋翼前进时哪两个轴起到决定性作用()
A. 后方两轴
B. 左侧两轴
C. 右侧两轴

查看答案

[判断题]如果在学校发生地震，正在上课时，要在教师指挥下迅速抱头、闭眼、躲在各自的课桌旁边。

查看答案

[单选题]顶板严重破裂时，出现顶掉渣，掉渣越多，说明（），有顶板冒落的危险。
A.顶板压力小
B.顶板来压
C.顶板不稳定
D.侧压小

查看答案

[简答题]你认为“知识”与“能力”之间有联系吗，为什么？你在美术教学中是如何处理好这两者之间的关系的？

查看答案

[单选题]《学记》指出，“独学而无友，则孤陋而寡闻”。这启示我们在教学中要注意运用（　）
A.谈话法
B.讨论法
C.参观法
D.练习法