热门试题:
[判断题]客室门结构为对开式气动塞拉门。()
A.正确
B.错误
[简答题]机车、自轮运转特种设备上均应备有( )和铁鞋(止轮器)。
[单选题]离心泵的( ),可以与电动机或其他传动机直接相连
A.转数低
B.转数高
C.功率高
D.功率低
[单项选择]巴西()资源主要集中在东南部的高原地区。
A. 水能
B. 风能
C. 太阳能
D. 核能
[单选题]甲醛、间苯二酚、催化剂按比例混合、搅拌后,立即出现混合液色泽加深,变稠的放热反应,形成的酚醛树脂,此反应是
A.置换反应
B.聚合反应
C.水解反应
D.加成反应
E.取代反应
[单选题]党支部议讨论决定重要事项,应当采取方式 进行表决。( )
A.口头
B.举手
C.无记名投票或者记名投票
D.以上均可
[单选题]下列工程计价文件中,由施工承包单位编制的是( )。
A.工程概算文件
B.施工图预算文件
C.工程结算文件
D.竣工决算文件
[简答题]厨房生产量的不确定性因素主要有哪些方面?
[单选题]安全生产方针突出强调了( )的思想。
A.以人为本
B.安全第一
C.预防第一、关爱生命
D.安全生产人人有责
[单项选择]随时间按正弦规律变化的物理量的三要素是()。
A. 正弦、周期、幅值
B. 瞬时值、最大值、有效值
C. 最大值、角频率、初相角
D. 幅值、时间、相角差
[判断题]分公司配置的消防器材、设施不得随意更改消防设施、器材、设备的用途;
A.正确
B.错误
[单选题]B-B-C-001 4 2 2
传输系统维护过程中,光缆中断抢修属于 ()。
A.日常例行维护
B.紧急维护
C.突发性维护
D.周期性例行维护
[单项选择]磁粉检测是利用()发现材料(工件)表面和近表面的不连续性的。
A. 漏磁
B. 合适的检测介质
C. 漏磁和合适的检测介质
D. 磁粉
[单项选择]下列哪项不是证券交易过程中应当遵循的基本原则()
A. 公开
B. 公平
C. 公正
D. 高效
[单选题]患者,男性,55岁。车祸造成多发性损伤,急救车首先要处理的情况是()
A.开放性骨折
B.腹部外伤后肠管脱出
C.外伤性大出血
D.颅脑外伤
E.膀胱破裂
[单选题]自助加油机的加油枪套、密码键盘、静电释放器等与顾客身体接触部位,正常营业时间应每()清洁1次。
A.1h
B.2h
C.1.5h
D.3h
[单选题]失流指在三相供电系统中,三相电压中有大于电能表的临界电压,三相电流中任一相或两相小于启动电流,且其他相线负荷电流大于5%额定(基本)电流的工况。
A.正确
B.错误
[单项选择]TAT是一种()
A. 洛夏墨迹测验
B. 主题统觉测验
C. 神经心理学测验
D. 智力测验
[多项选择]需两台桥机并车吊转子时,各专业负责人应按照起吊措施,对两台桥机的()细致检查正常后进行试车。
A. 机械部分
B. 电气部分
C. 平衡梁
D. 操作规程
[判断题]低瓦斯矿井的岩巷掘进工作面必须使用安全等级不低于二级的煤矿许用炸药。
A.正确
B.错误
[填空题]Early men did not have clocks. They were told time by the 76. ______
sun and shadows of trees. At first time, they used 77. ______
sticks placing in the ground instead of trees. They made 78. ______
marks in the ground, and the shadows from the sticks told 79. ______
the time of day. Later, men began to use sundials. Some of 80. ______
sundials were boxes with sticks cast a shadow. Men were 81. ______
able to take the sundial box with them. The mark for noon 82. ______
was very important. The sundials always have to face the same 83. ______
way or the time was wrong. Sundials were good only on sunny 84. ______
days, not on cloud days. They were the first kind of clock. 85. ______
[判断题]为充分发挥消火栓的作用,允许临时使用消火栓清洗车间地板。
A.正确
B.错误
[单选题]杆塔上有人工作时,不应调整或拆除--。
A.横担
B.瓷瓶
C.拉线
D.导线
[判断题]当我们强调公安机关必须接受党委领导的时候,无须依照党政分开的原则,同时强调政府对公安机关的领导。 ( )
[判断题]续贷业务的担保安全性不能低于已有信贷业务,第二还款来源不能弱化。
A.正确
B.错误
[判断题]其他灾害事故是指按国家法律规定,由各级消防救援队伍承担处置的重大灾害事故和其他以抢救人员生命为主的应急救援事件,如危险化学品泄漏事故、道路交通事故、地震及其次生灾害、建筑坍塌事故、重大安全生产事故、空难事故、爆炸及恐怖事件和群众遇险事件等。
A.正确
B.错误
[单项选择]Philippines' main share index was much lower probably because of ______.
A. the bargain-hunting late in the trading day
B. the indifference to the nearby presidential elections
C. the upgrade of its foreign currency debt rating
D. the sudden outbreak of bird flu in some Asian countries
[多选题]阀门控制器在投自动时一般要求工艺值与设定值( )。
A.差值最小时
B.差值最大时
C.波动大时
D.基本一致时
[填空题] X3和X5的作用是表示电路反位表示的回线。X3用于与( )的联络线。X5用于( )的励磁回线。
[单项选择]设备监理的目标在设备工程项目未开始之前就已确定,这说明设备监理的目标具有 ( )的特点。
A. 多目标性
B. 层次性
C. 优先性
D. 计划性
[不定项选择题]共用题干
Homosexuals(同性恋者)
Many homosexuals prefer to be called gay or,for woman,lesbian.Most of them live quiet lives just______(51)anyone else.Some gay people have always raised children,______(52)or with partners,and the use of artificial insemination(人工受精)is increasing among lesbians.
Gay persons are in every kind of job.Some are very open about their homosexuality,and some are more private.Some______(53)their sexual orientation as a biological given and others as a choice.For those women who see it as a choice,one reason often given is the inequality in most heterosexual(异性恋的)relationships.
Homosexuality has been common in most cultures throughout history and generally______ (54).As a result,homosexual activity became a crime,______(55)which the penalty in early courts was death.Homosexual behavior is still______(56)in many countries and the United States.
Homosexuality later came to be viewed widely as less a sin than a sickness,but now no mentalhealth professional(具有专业资格的人)any longer ______ (57) homosexuality an illness. More recent theories to______(58)for homosexuality have included those based on biological and sociological factors.To date.______(59),there is no conclusive general theory that can explain the cause of homosexuality.
Attitudes______(60)homosexuality began to change in the second half of the 20th century. Gays attribute this,in part,to their own struggle for their rights and pride in their orientation. Some large companies now______(61)health-care benefits to the life partners of their gay employees. Many cities also have officially appointed lesbian and gay advisory(咨询的)committees.______(62)some attitudes have changed,however,prejudice(偏见)still exists,and in the late 1980s and early 1990s,there were considerable shouts against homosexuals,with attempt to ______(63)laws forbidding the granting of basic civil rights to gays.
The AIDS epidemic,which started in the 1980s,has devastated(毁坏)the gay community and brought it together as never before,The organized gay response to the lack of government financial support for fighting AIDS and to the needs of the thousands of AIDS victim______(64)they be gays or not,has been a model of community action.AIDS,however,has also______(65)people with another reason for their prejudice.
_________(58)
A.account
B.look
C.fight
D.plead
[单选题]在一定温度时,金属导线的电阻与( )成正比、与截面积成反比,与材料电阻率有关。
A.长度
B.材料种类
C.电压
D.粗细
[判断题]5 1 3
熔断器中的熔体可以重复使用。
A.正确
B.错误