热门试题:
[单选题] 视频监控系统施工时, 如选用SYV-75-5同轴电缆传输视频信号,当传输距离超过( )时,为了保证图像质量,必须使用电缆补偿器。
A.1200米
B.700米
C.500米
D.250米
[单项选择]The first moving-picture theater was probably the work of Harry Davis, Pittsburgh’s most prosperous showman. In 1904, he rented a storefront, filled the room with chairs, gaily decorated the exterior, and advertised the (67) of a "nickelodeon". It was a(n) (68) success.
Although Davis was the first one to use the name nickelodeon, (69) experiments were taking place in other parts of the country. (70) the country vaudeville (杂耍) managers, traveling exhibitors, and show businessmen (71) their jobs to set up their own nickel picture (72) . There was a great deal of money (73) in the business, but nickelodeon owners had to work hard to (74) their product. They could not afford to advertise (75) in the papers, but they could and (76) design their storefront facades to call attention to their shows — with oversized (77) , attraction boards, posters, and as many ligh
A. left
B. took
C. resumed
D. removed
[单选题]自控型班组在组织形式上采取党政工团（ ），在考核标准上采取统一考核标准。
A.一体化
B.双达标
C.两手抓
D.共同发展
[单项选择]Customers are found to be more satisfied ______ the quality of the goods than their service.
[单选题]计算机网络建立的主要目的是实现计算机资源的共享。资源主要指计算机的________。
A. 软件与数据库
B. 服务器、工作站与软件
C. 硬件、软件与数据
D. 通讯子网与资源子网
[多选题]每半年需()检查1遍
A.扣件安装状态
B.道岔辊轮状态
C.部件缺损
D.预埋件
[单项选择]投资项目社会评价应从( )三个层次进行分析，做到宏观分析与微观分析相结合。
A. 国家、地方、企业
B. 国家、地方、行业
C. 国家、地方、社区
D. 国家、地方、项目
[判断题]PBX类型的管制移交电话的铃流信号是由语音通信交换系统本身提供的。
[单选题]选择电压互感器二次熔断器的容量时，不应超过额定电流的（____）。
A.1.2倍
B.1.5倍
C.1.8倍
D.2倍
[单选题] LGJQ—300 导线，计算拉断力 Tb=92200N，安全系数 k=2.5，其最大使用拉力T 为（ ）kN。
A.36.9；
B.46.9；
C.56.9；
D.66.9。
[填空题]Science textbooks and technical and professional journals are usually made up of several parts and contain various special features, many of which have a standard format. 【B1】 usually contain a large number of these parts; journals and 【B2】 contain many, but not all of them.
Knowing where to look for information and 【B3】 to expect in a book can greatly increase your ability to use all the information there. Explanations of and practice using some of these textbook parts and 【B4】 are covered in these even numbered lessons. The features in textbooks are 【B5】 into the following three categories. Front matter is the 【B6】 -numeral paginated section at the front of most books. The text is the main body of the book. The 【B7】 matter comprises the additional sections at the back of most books. 【B8】 our discussion of these three sections will deal mainly with textbooks, the practice provided will greatly 【B9】 your comprehension of scientific 【B10】 as well.
A. A．odd
B．even
C．Greek
D．roman
[单项选择]下列定义变量错误的是( )。
A. int al；
B. char chl；
C. int dl=10；
D. bool bll；
[判断题]人民法院可依法对农民工工资专用账户或工资保证金账户采取预冻结措施，在工程完工且未拖欠农民工工资，人社行政部门按规定解除对上述两类账户的监管后，预冻结措施自动转为冻结措施，并可依法划拨剩余资金。
A.正确
B.错误
[单项选择]在肛门部疾患中，肛裂的发病率是：
A. 首位
B. 仅次于痔疮
C. 较低
D. 最低
E. 以上都不是
[判断题]车辆在运行中人员为方便可以扒乘矿车。
A.正确
B.错误
[单选题]下列哪个是安装在物料提升机吊笼上沿导轨运行，可防止吊笼运行中偏移或摆
动，保证吊笼垂直上下运行的装置?()
A.滑轮
B.地轮
C.导靴
D.天轮
[单选题]消防救援机构及其工作人员进行消防监督检查,应当自觉接受()的监督。
A. 公民
B. 公民、单位
C. 单位、督察
D. 群众
[单选题]出租汽车驾驶员在运营过程中根据乘客需求使用普通话、地方方言、外语，属于()要求。
A.服务标志
B.服务仪容
C.车容车貌
D.服务用语和言行举止
[填空题]下列程序的输出结果是______。
#include＜iostream)
using namespace Std；
Class Test
public：
Test（ ）cnt++；
～Test（ ）cnt--；
staticint Count（ ）return cnt；
private：
static int cnt；
；
int Test：：cnt＝0；
int main（ ）
cout＜＜Test：：Count（ ）＜＜‘‘；
Test t1，t2；
Test*pT3＝new Test；
Test*pT4＝new Test；
cout＜＜Test：：Count（ ）＜＜‘‘；
delete pT4；
delete pT3；
cout＜＜Test：：Count（ ）＜＜endl；
return 0；
[多项选择]对PPP存量项目的营业收入进行预测，需要考虑（）因素对营业收入的影响。
A. 宏观和区域经济因素
B. 所在行业现状以及发展前景
C. PPP项目合同中约定的违约条款和赔偿条款
D. PPP项目合同中约定的担保条款和提前终止条款
[单项选择]甲公司的境外子公司乙公司的记账本位币为港币，期初汇率为1港币=0.81元人民币，期末汇率为1港币=0.91元人民币，该企业利润表采用中间汇率折算，资产负债表盈余公积期初数为1000万港币，折合人民币780万元，本期提取盈余公积500万港币，则本期该企业资产负债表“盈余公积”项目的期末数额应该是（）万元人民币。
A. 1235
B. 1210
C. 1280
D. 1365
[单选题]当相关参与方发现追缴名单车牌信息错误、被套牌车、证据无效或不足等情况时，可通过部级系统提交撤销申请，并提供相关证据资料，追缴名单信息录入省级稽核管理单位应在（ ）个工作日内完成信息核实。
A.A.1
B.B.2
C.C.3
D.D.4
[单选题]下列对于系统管理员的描述哪个是正确的?( )
A.系统管理员只能创建首席用户
B.系统管 理员只能创建普通用户
C.系统管理员既可以创建首席用户,又可以创建普通用户
D.系统管 理员不能创建用户
[判断题]园区网络规划时,可以按照业务类型进行 VLAN 的规划。( )【判断题】
A.正确
B.错误
[判断题]电容器壳体明显膨胀，电容器、放电线圈或电抗器内部有异常声响，应申请将变压器停运
A.正确
B.错误
[填空题]假定用户没有给一个名为MyClass的类定义析构函数，则系统为其定义的默认析构函数首部形式为 【7】 。
[判断题]高铁车站客运人员应持有效上岗证，经过岗前安全、技术业务培训合格。 .
A.正确
B.错误
[判断题]187.(93495)抽油机驴头移开井口的方式有三种：上翻式、侧转式和可拆卸式。
A.正确
B.错误
[单选题]乳牙列期指的是:
A.6个月~~4岁
B.1岁~~3岁
C.6个月~~六岁
D.1岁~~12岁
E.4个月~~4岁
[判断题]在不同的历史时代和文化背景下所产生的爱国主义,都具有相同的内涵。
A.正确
B.错误
[判断题]高度大于2米小于5米的高处作业可以不设专人监护。( )
A.正确
B.错误
[单选题]初级专业技术职务编制()消防救援衔。
A.高级指挥长至三级指挥长
B.一级指挥长至二级指挥长
C.三级指挥长至四级指挥长
D.高级指挥长至四级指挥长
[单项选择]王某，男，11岁，淋雨后出现头痛，恶寒发热，项背强直，肢体酸重，苔白腻，脉浮紧。治法宜选（）
A. 祛风散寒，和营燥湿
B. 泄热存津，养阴增液
C. 滋阴养血
D. 滋补肝肾
E. 以上都不是
[单项选择]Topping the class academically was certainly an advantage. Studying was a breeze for Nigel. The reward was certainly incomparable to the little effort that he had to put it. It began when he was selected to help the teachers in the computer laboratories.
The peak of his school career came not when he topped the school but when he was selected for the nationwide competition. Unlike everyone else, Nigel wanted to join the contest because he liked playing with the Lego sets and making something out of them. Nigel spent the next two months rebuilding his robot. It was during the time that Nigel found out about the prizes for the competition as well as another competitor. Alicia, from a neighboring school. His early intentions were forgotten. Getting the thousand-dollar prize was more important than anything else. Nigel decided to befriend Alicia. Unaware of his intentions, she told him all about the robot that she had been building for the competition. He even helped her to put the fi
A. be the top student of the school
B. bring great honor to his school
C. constructs a robot with the Lego sets
D. win the thousand-dollar prize
[判断题]在钢筋工程量计算中，受力钢筋的混凝土保护层厚度应符合设计要求，当设计无具体要求时，不应大于受力钢筋直径，并应符合有关规定。
[单选题]页面尺寸和[ ]有关系。
A.A、页面体积
B.B、页面造型
C.C、显示器分辨率
D.D、第一屏像素
[简答题]无双向设备的双线区间封锁一条线路，在自动闭塞区间，反方向行车，按（）
[单项选择]男性，40岁，近5个月来上腹胀痛，反酸，近3个月反复呕吐，吐物为酸酵性宿食，按幽门梗阻内科治疗5天后缓解。幽门梗阻的原因可能为（）
A. 黏膜炎症、水肿
B. 癌变
C. 复合性溃疡
D. 溃疡愈合瘢痕形成
E. 胃外压性梗阻
