热门试题:
[多项选择]幼儿言语表达的发展（）
A. 从对话言语逐渐过渡到独白言语
B. 从独白言语逐渐过渡到对话言语
C. 从情景性言语过渡到连贯性言语
D. 从连贯性言语过渡到情景性言语
[填空题]向一棵B_树插入元素的过程中，若最终引起树根结点的分裂，则新树比原树的高度（）。
[判断题]施工企业应根据施工组织设计和专项施工方案（措施）编制和审批权限的设置，分级进行安全技术交底，编制人员应参与安全技术交底.验收和检查。( )
A.正确
B.错误
[判断题]NDB的天线,除采用T形天线外,还可以采用伞形天线和Γ形天线等。(3457)
A.正确
B.错误
[单选题]胸腔穿刺抽取液体时，首次不宜超过( )
A.500ml
B.600ml
C.800ml
D.1000ml
E.1200ml
[单选题]
互感器外施工频耐压试验,与保护球隙串联的保护电阻R电阻值通常取( )。
A. 2Ω/V
B. 1.5Ω/V
C. 1Ω/V
D. 0.5Ω/V
[单选题]甲醇合成反应器卸出催化剂时,要求合成系统( )。
A.氮气置换合格
B.空气置换合格
C.催化剂降温
D.催化剂还原
[判断题]搬运试验设备时应防止误碰运行设备，造成相关运行设备继电保护误动。
A.正确
B.错误
[单选题]容量血管是指
A.大动脉
B.大静脉
C.肺静脉
D.肺动脉
E.静脉
[填空题]When television first began to expand, very few of the people who had become famous as radio commentators were able to be effective on television. Some of the difficulties they experienced when were trying to 【B1】 themselves to the new medium were technical. When working on radio, for example, they had become 【B2】 to seeing on behalf of the listener. This 【B3】 of seeing for others means that the commentator has to be very good at talking. Above all, he has to be able to 【B4】 a continuous sequence of visual images which 【B5】 meaning to the sounds which the listener hears. In the 【B6】 of television, however, the commentator sees everything with the viewer.
His role, therefore, is completely different. He is there to make 【B7】 that the viewer does not miss some point of interest, to help him focus on particular things, and to 【B8】 the images on the television screen. Unlike his radio colleague, he must know the 【B9】 of silence and how to use it at those moments 【B10】 the pictures spe
A. A．exhibit
B．demonstrate
C．expose
D．interpret
[判断题]交接班工作能独立对办公设备进行正确使用。
A.正确
B.错误
[单选题]根据《普速铁路接触网运行维修规则》（铁总运〔2017〕9号）规定：关节式分相静态检测周期是（）个月。
A.6
B.12
C.36
D.60
[单选题]要正确实现理性认识到实践的飞跃,必须使理论为群众所掌握,化为群众的自觉行动。这是因为( )
A.群众是人口中的大多数
B.群众是社会实践的主体
C.群众的意见都是正确的
D.群众的行动都是合理的
[判断题]专责监护人不准兼做其他工作。
A.正确
B.错误
[判断题]超长列车头部越过出站信号机并压上出站方面轨道电路发车时应停止使用基本闭塞法，改用电话闭塞法行车
A.正确
B.错误
[单项选择] Six Secrets of High-Energy People
There’’s an energy crisis in America, and it has nothing to do with fossil fuels. Millions of us get up each morning already weary over the day holds. “I just can’’t get started,” People say. But it’’s not physical energy that most of us lack. Sure, we could all use extra sleep and a better diet. But in truth, people are healthier today than at any time in history. I can almost guarantee that if you long for more energy, the problem is not with your body.
What you’’re seeking is not physical energy. It’’s emotional energy. Yet, sad to say, life sometimes seems designed to exhaust our supply. We work too hard. We have family obligations. We encounter emergencies and personal crises. No wonder so many of us suffer from emotional fatigue, a kind of utter exhaustion of the spirit.
And yet we all know people who are filled with joy, despite the unpleasant circumstances of their lives. Even as a child, I observed people
A. Y
B. N
C. NG
[填空题]心理治疗与心理咨询的相同点在于二者的______与______是相同的。
[判断题]在确定工件坐标系时，通常采用工件固定不动，刀具相对移动的原则。
[判断题]交流电流的频率越高.则电感元件的感抗值越小.而电容元件的容抗值越大.
A.正确
B.错误
[简答题]《南昌铁路局动车组消防安全管理暂行规定》南铁公安字[2007]456号第四条规定：动车组消防安全监察工作由安全监察部门负责，消防监督工作由（ ）部门负责。
[简答题] 电客车在进行非自身动力转轨时,检修人员必须唤醒列车,点击HMI屏幕,确认转轨电客车辅助高压箱二位闸刀处于
。
[判断题]核生化事故（件）处置后，应严格落实处置人员隔离和健康跟踪措施。( )
A.正确
B.错误
[单选题]目前，防灾系统大雨一级报警会（）。
A.限速45km/h
B.120km/h
C.200km/h
D.停运
[单项选择]下列地址中，属于154.100.80.128/26的可用主机地址是（）。
A. 154.100.80.128
B. 154.100.80.190
C. 154.100.80.192
D. 154.100.80.254
[单选题]室内储存场所不应设置员工宿舍。甲、乙类物品的室内储存场所内不应设办公室。其他室内储存场所确需设办公室时，须采用耐火极限不低于（ ）小时的防火隔墙和耐火极限不低于（ ）小时的楼板与其他部位分隔，
A.2.5、1
B.1、2.5
C.2、5
D.2、1
[单选题]按费用构成要素划分的建筑安装工程费用中，固定资产使用费属于（ ）。
A.检验试验费
B.施工机具使用费
C.施工机械使用费
D.企业管理费
[单项选择]内种皮为1列栅状黄棕色石细胞，内含硅质块的药材是( )
A. 枳壳
B. 补骨脂
C. 女贞子
D. 槟榔
E. 砂仁
[单选题]BA002 通用变频器中最常用的主开关电源都是( )器件。
A.常闭
B.常开
C.自整定
D.自关断
[单项选择]
Californian Michael Schwabe said goodbye to the gas pump two years ago. He leased an electric car. Schwabe says he gets more out of driving an electric car than just a charge.
"With the price of gasoline and with the problems with clean air, it’s important we get electric vehicles out on the road."
On California roads there are about two thousand electric cars. By 2003, ten percent of all new cars may be required to have zero emissions. This is a mandate automakers say it is way ahead of its time.
Gloria Bergquist of the Alliance of Auto Manufacturers says, "The technology (for zero emissions) isn’t here yet; it still needs advancement in driving range to make it more appealing to a wider consumer audience".
Automakers blame it on the batteries. Power runs out on most cars aRer about 70 miles. However, some cars can now go more than 100 miles on a charge. Batteries are expensive. Carmakers say there is nothing they c
A. Two days ago.
B. Two months ago.
C. Two years ago.
D. Ten years ago.
[多项选择]申请国家助学贷款须具备的条件有（）。
A. 具有中华人民共和国国籍，具有完全民事行为能力
B. 家庭经济确实困难，无法支付正常完成学业所需的基本费用
C. 学习刻苦，能够正常完成学业
D. 必要时须提供有效的担保
E. 诚实守信，无违法违纪行为
[判断题]马某系某水电站操作工，因受单位领导批评，为发泄不满，用炸药将水电站大坝炸毁，致使大坝下游 200 余户居民受淹，造成 1 人死亡，1 人失踪。马某的行为构成爆炸罪。
A.正确
B.错误
