热门试题:
[单选题] 下列选项中不是动火作业分析数值的是（ ）。
A.O2：5%
B.H2：0.2%
C.H2S：10ppm
D.H2SO4：1mg/m3
[单选题]如车辆需要进行轮对镟修时检修调度应提前与（ ）进行沟通、确认作业时间
A.车场调度
B.设备调度
C.机电调度
D.通号调度
[判断题]( )采用不分开式扣件的木枕线路、道岔,如无爬行时,可不安装防爬设备。
A.正确
B.错误
[多选题]设备内的SF6气体不准向大气排放，应（ ）。
A.A.采取净化装置回收
B.B.直接回收使用
C.C.经处理检测合格后方准再使用
[单项选择]英国哲学家、科学家弗兰西斯•培根的（），代表着经验归纳法和假设演绎法两大科研方法。
A. 《新工具》
B. 《论方法》
C. 《资本论》
D. 《进化论》
[简答题]LAE20007保证安全工作的组织措施和技术措施包括哪些内容？
[判断题]教育要适应人的身心发展规律,按照人的发展规律来进行,否则,就不可能取得预期的效果。这是教育过程必须要遵循的一个基本原则。( )
A.正确
B.错误
[多选题]终末血尿提示出血部位在:
A.后尿道
B.膀胱三角区
C.膀胱颈部
D.膀胱或以上部位
E.前尿道
[单项选择]《煤矿安全规定》规定，采掘工作面应实行（）通风。
A. 串联
B. 分区
C. 扩散
[判断题]电压互感器的二次回路通电试验时，应将二次回路断开，并取下电压互感器高压熔断器或拉开电压互感器一次刀闸，防止由一次侧向二次侧反送电。
A.正确
B.错误
[多选题]
下列对于PPPoE数据帧的描述正确的是?
A.PPPoE传递会话数据时,Code必须设置为0x0
B.一旦PPPoE会话建立,所有的以太网数据包都是单播的
C.PPP会话的Session_ID不允许发生改变,必须是Discovery阶段所指定的
D.Ethernet_Type域固定为0x8863
[判断题]光电二极管是在正向电压作用下工作。
A.正确
B.错误
[单项选择]就发行债券的企业而言，对摊销的债券溢价收入，正确的会计处理是（）。
A. 增加债券的面值
B. 冲减债券的面值
C. 增加投资收益
D. 调整债券利息
[填空题]Double Income and No Kids (DINK) becomes fashionable in China. The DINK couples are usually regarded as those who have higher educations and 【31】 careers with higher incomes. The increase in DINK families has shattered the Chinese traditional idea of the family and 【32】 typical.
A survey conducted recently in Beijing by a market survey company 【33】 that about 33 percent of the 1,300 surveyed families in Beijing said they have 【34】 plans to have children. It is estimated there about 600,000 DINK families in large cities like Beijing, Tianjin, Shanghai, Shenzhen and Chongqing.
Why they choose such a lifestyle is concluded in 【35】 reasons. Some are showing great worry for the rapid growth of population; some are indulged in building a more well-off family; some are showing sharp 【36】 to get themselves free from the obligation of raising children.
【37】 , most people still believe it is necessary to bear a child to keep the family line on. As an old Chinese saying goes: Ther
A. A．into
B．to
C．at
D．from
[简答题]14009】低压配电系统的接地形式如何选用？
[单选题] 休克的实质是( )
A.血压下降
B. CVP 下降
C. 脉压下降
D.组织灌注不足合并细胞缺氧
[简答题]It will ___you 10 minutes to get there.
[填空题] If you want to teach your children how to say sorry, you must be good at saying it yourself, (36)________to your own children. But how you say it can be quite tricky.
If you say to your children "I’’m sorry I got (37)________with you, but..." what follows that "but" can render the apology ineffective; "I had a bad day" or "your (38)________was giving me a headache" leaves the person who has been injured feeling that he should be (39)________for his bad behavior instead of expecting an apology.
Another method by which people appear to apologize without (40)________doing so is to say "I’’m sorry you’’re upset"; this suggests that you are somehow at (41)________for allowing yourself to get upset by what the other person has done.
Then there is the general, all (42)________apology, which avoids the necessity of identifying a specific act that was (43)________hurtful or insulting, and which the person who is apologizing should promise never to do again. (44)______________
[填空题]（）是莎士比亚喜剧中最具有社会批判意义的剧作，塑造了夏洛克这位欧洲文学画廊中著名的吝啬鬼形象。
[单项选择]某住宅开发项目，市场预测售价为2300元/m2，变动成本为900元/m2，固定成本为500万元，综合销售税金为150元/m2。此项目最少应开发（）m2商品住宅面积才能保本。
A. 6500
B. 4000
C. 5420
D. 4635
[单项选择]
{{B}}TEXT D{{/B}}
Going Forth, The Nations
Multiply Unevenly
Despite was, famines, and epidemics, Earth’s
population is booming ahead to new records—with no end insight.
Every day, the world adds enough people to populate a medium-sized city in
the US. In one month, the number of new world citizens equals the population of
New York City. Every year, there are 90 million more mouths to feed, more than
the total population of Germany.
Several factors are propelling
this rapid growth, including an element that is often overlooked the huge number
of teenagers who are becoming mothers, particularly in the countries of
sub-Saharan Africa In four African nations m Niger, Mali, Sierra Leone, and
Ivory Coast—1 out of every 5 adolescent females of childbearing age has a baby
annually. The US Bureau of the Census says this high rate of motherhood among
teens has helped to maintain the high pace of births across most of the Af
A. rare in developed countries
B. most prevalent in Indonesia
C. common in Rwanda
D. solely responsible for population increases
[单选题]Windows的工作机制中,关键的三个概念是:窗口、消息和( )。
A.事件
B.文本
C.文件
D.图标
[单选题]超限货物的任何超限部位与建筑限界之间的距离，在超过150mm至200mm之间时，时速不得超过（ ）。
A.15km/h
B.25km/h
C.35km/h
D.45km/h
[不定项选择题]患者女，45岁。右上尖牙咀嚼痛1周，伴右侧眶下区肿痛3天。查体见右眶下肿胀明显，右上尖牙龋坏，髓腔暴露，叩痛(+++)，前庭沟肿胀，并有波动感。
如患者2天前来就诊，对该患者的处理应该是
A.开髓、拔髓、引液
B.穿刺
C.仅口服抗生素
D.局部热敷
E.拔除患牙
[单选题]肺结核的化疗原则不包括( )
A. 早期
B. 规律
C. 全程
D. 足量
E. 联合
[单选题]生产经营单位发生生产安全事故时，单位的主要负责人应当立即组织抢救，并不得在事故调查处理期间（）。
A.离职
B.擅离职守
C.撤离
[多项选择]新一代USBKey数字安全证书的特点是（）
A. 集成了液晶显示和按键确认功能
B. 预植证书，首次使用无需下载
C. 无需安装驱动程序
D. 需要安装电池
[单项选择]对可持续发展具有重要意义的是1972年罗马俱乐部发表的（）
A. 《增长的极限》
B. 《我们共同的未来》
C. 《二十一世纪议程》
D. 《可持续发展宣言》
[单项选择]如拟建住宅楼的进深≮12m，最多可建( )层。
A. 6
B. 7
C. 8
D. 9
[单选题]甲将其所有的房屋出租给乙，双方口头约定租金为每年5万元，乙可以一直承租该房屋， 直至乙去世。房屋出租后的第二年，乙为了经营酒店，经甲同意，对该房屋进行了装修，共花费 6万元。一天晚上，一失控的汽车撞到该房屋，致使其临街的玻璃墙毁损，肇事司机驾车逃逸， 乙要求甲维修，甲拒绝，乙便自行花费1万元予以维修。现甲乙发生纠纷，均欲解除合同，但就 如何解除意见不一。
根据《合同法》的规定，租赁期限（）个月以上的，应当采用书面形式。当事人未采用书 面形式的，视为不定期租赁。
A.3
B.6
C.9
D.12
[判断题]卷扬机工作当钢丝绳溜放到需要长度时留存卷筒上钢丝绳不得少于3圈。
A.正确
B.错误
[单项选择]化合物是一种香料的为（）。
A. 正溴丁烷
B. 乙酰乙酸乙酯
C. —萘乙醚
D. 环已烯
[单项选择]在装配精度要求很高，装配结构简单（如两件）生产率又要求较高时常采用（）法装配。
A. 完全互换
B. 分组互换
C. 修配
D. 调整
[判断题]遇到设备突发故障等紧急情况，操作人员硬蛋立即按下紧急停止按钮。 ( )
A.正确
B.错误
