热门试题:
[单选题]要降低液压系统中某一部分的压力时,一般系统中要配置( )。
A.溢流阀
B.减压阀
C.节流阀
D.单向阀
[单选题]TCP协议提供的是()服务。(4311)
A.无连接的数据报
B.无确认的数据报
C.有确认的数据报
D.虚电路
[判断题]折角塞门用来开通或遮断制动主管与制动软管之间的空气通路。( )P131T536
A.正确
B.错误
[单项选择]一项社会调查在问卷中了解不同年龄的居民对网络购物的看法和态度,其中的“看法和态度”属于( )
A. 因变量
B. 自变量
C. 中间变量
D. 定比变量
[单项选择]离心泵()流。
A. 径向
B. 轴向
C. 斜向
D. 反向
[单项选择]
Train companies in Tokyo are taking action to reduce the number of people jumping in front of trains. They are fitting blue lights on station platforms to try and create a more calming atmosphere. The East Japan Railway Company has invested almost $170,000 to install the lights in all of the 29 stations on the capital’s busy Yamanote Line. There has been an alarming rise in the number of people committing suicide at train stations. A total of 68 people threw themselves under trains in the year up to March. This compares with 42 suicides in the same period a year earlier. In 2008, Japan had nearly 2,000 suicides by jumping in front of a train; around six percent of all suicides nationwide. Suicides have risen sharply in the past decade due to poor economic conditions.
No one knows if the blue lights will work. There is no evidence to show that blue light reduces suicidal feelings. Keihan Railway spokesman Osamu Okawa stated: "We thought we had to do something to
A. has no result yet
B. is proved effective
C. is welcomed by suicides
D. has been refused by stations
[判断题]变压器高、低压绕组必须有可靠绝缘性能。
A.正确
B.错误
[单项选择]虚人感受外邪,应采用的是
A. 治本
B. 治标
C. 标本兼治
D. 先治本后治标
E. 反治
[判断题]网关箱体应具备良好的抗冲击、防腐蚀和防雷能力,并具备加封、加锁位置。
A.正确
B.错误
[单选题]听别人讲话时,你最好是:( )
A.对别人的讲话表示兴趣,记住所讲的要点
B.
请对方说出问题的重点
C.对方老是讲些没必要的话时,你会立即打断他
D.对方不知所云时,你就很烦躁,就去想或做别的事
[单项选择]对于红斑-丘疹型多形红斑,下列不正确的是()
A. 全身症状轻微
B. 多有关节疼痛
C. 好发于四肢远端
D. 皮疹红斑表面可有大量厚积鳞屑
E. 皮疹呈多形性
[单项选择]下面这个程序的结果是
#include<iostream.h>
classA
private:
inta;
public:
voidseta( );intgeta( );;
voidA::seta( )
a=1;
intA::geta( )
returna;
classB
private:
inta;
publiC://
voidseta( );intgeta( );;
voidB::seta( )
a=2;
intB::geta( )
returna;
classC:publicA,publicB
private:
intb;
public:
voiddisplay( );;
voidC::display( )
int b:geta( );
cout<<b;
voidmain( )
Cc;
c.seta( );
c.display( );
A. 1
B. 2
C. 随机输出1或2
D. 程序有错
[多选题]企业按消费行为对客户分类,需要从( )方面收集以往消费数据二
A.购买情况
B.购买地点
C.购买方式
D.购买频率
E.购买金额
[多项选择]患者王某,25岁,受凉后发热、咳嗽、胸痛1周,经抗感染治疗后胸痛消失,但出现胸闷、憋气、乏力。查体:左下肺叩浊音,呼吸音消失;血常规:WBC13.4×109/L,N%78%。入院后需要做哪些检查来判断病情()
A. ESR
B. 胸片
C. 血常规
D. 腹部彩超
E. PPD实验
F. 血气分析
G. 肺MRI
H. 心脏彩超
I. 血CEA
J. 血AFP
K. 动态心电图
[判断题](47285)( )成组更换新道岔和新岔枕属于普通线路换轨大修主要内容。(1.0分)
A.正确
B.错误
[判断题]试压现场应加设围栏和警示牌,设专人现场监督。
A.正确
B.错误
[判断题]休息时,为方便吊装作业,可以将吊物、吊具、吊索、吊笼吊在空中( )
A.正确
B.错误
[单选题]美国著名领导学家伯恩斯认为领导者可以分为交易型领导者和变革型领导者,前者强调领导者的行为是一种交易行为,而变革型领导者常常通过提高下属对特定目标的重要性和价值的认识而激励他们自主创新,以集体利益为主,迈向更高的境界。你认为他是从( )角度来理解领导的。
A.权力
B.对人的认识与理解
C.与组织和群体成员的联系
D.领导的风格、作风以及营造出来的组织、群体氛围
[判断题]梁上任意截面的弯矩等于该截面任一侧所有外力对形心之矩的代数和。()
[判断题]《广深港高速铁路跨境旅客运输组织规则》(铁总客〔2021〕91号)旅客提前或延后乘车应在规定时间内办理改签,未改签乘车按无票处理。
A.正确
B.错误
[判断题]低电压保护在系统运行方式变大时,保护范围会缩短。( )
A.正确
B.错误
[判断题]用"令"发布部门规章时,必须按部门规章产生的程序进行。
[单项选择]
Questions 91 — 100 are based on the following passage. (15 points) Electronic mail has become an extremely important and popular means of communication. The convenience and efficiency of electronic mail are threatened by the extremely rapid growth in the volume of unsolicited commercial electronic mail. Unsolicited commercial electronic mail is currently estimated to account for over half of all electronic mail traffic, up from an estimated 7 percent in 2001, and the volume continues to rise. Most of these messages are fraudulent or deceptive in one or more respects. The receipt of unsolicited commercial electronic mail may result in costs to recipients who cannot refuse to accept such mail and who incur costs for the storage of such mail, or for the time spent accessing, reviewing, and discarding such mail, or for both. The receipt of a large number of unwanted messages also decreases the convenience of electronic mail and creates a risk that wanted electronic mail message
A. decent
B. instructional
C. sexual
D. commercial
[单项选择]根据我国现行有关交易制度,下列只有( )可以进行当日回转交易。
A. B股
B. A股
C. 债券
D. 基金证券
[单项选择]{{B}}SECTION A CONVERSATIONS{{/B}}
{{I}} In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow.{{/I}}
{{I}} Questions 1 to 3 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions.
Now listen to the conversation.
{{/I}}What does the man most probably do
A. A driving course instructor.
B. A driving test examiner.
C. A car salesman.
D. A boyfriend of the girl’s.
[单选题]Android操作系统的手机,如何使用蓝牙传输文件( )
A.进入设置,打开蓝牙
B.打开下拉菜单,点亮蓝牙标志
C.进入设置打开蓝牙,并打开可检测性,找到要传输的机子进行配对
D.直接传输文件
[单项选择]( )是预算外资金管理的职能部门,依照部门和单位的财政隶属关系,实行统一领导,分级管理,按预算外资金的用途分类进行核算。
A. 财政部门
B. 政府部门
C. 经济管理部门
D. 国务院
[单选题]220161.为了保证电气设备操作安全,避免因设备故障造成对人体伤害,所以在电气设备投运后,一般采用保护接地和( )的方式。( )
A.工作接地
B.保护接零
C.重复接地
D.接地极
[多选题]属于便携式防盗门破拆工具组功能特点的( )。(中)
A.可产生较大的开门破坏力,与手动泵配合可产生自锁功能;
B.可在有爆炸危险的场所使用,非常安全;
C.外形小巧、便携,可储存在金属箱内,实施快速机动救援;
D.可增压抬升防盗门及其边缘;
[多项选择]在轨道电路地段作业,为防止联电,对作业使用()工具须绝缘。
A. 轻型车辆
B. 道尺
C. 养路机具
D. 液压器的手摇杆
[单项选择]肝性脑病患者补充植物蛋白质的量是()。
A. 1~2g/d
B. 5~10g/d
C. 10~20g/d
D. 1~2g/d
E. 30g/d
[判断题]可燃物不是只在有氧气的条件下才能发生燃烧。
A.正确
B.错误
[单项选择]子类可以继承父类的哪个成员
A. transient
B. serialize
C. synchronized
D. static
[单项选择]下列关于预算编制的说法中,错误的是()
A. 预算应按照月预算和年预算分别编制
B. 差异分析的重点是可控预算
C. 预算的分类应与记账的分类保持一致
D. 当支出大比例超过预算时,应督促客户改进,而不能修改预算
[多选题]《矿山救护规程》对氧气和氧气瓶使用的具体要求( )。
A.氧气符合医用氧气的标准;
B.氧气瓶须按国家压力容器规定标准,每5年进行除锈清洗、水压试验;
C.达不到标准的氧气瓶不准使用;
D.每季度化验1次;
[填空题]______(我被警告不要去)the east coast which was full of tourism.
[多选题]门(楼)牌原则上按3—5米编一个号,保持左单右双,顺序从小到大,杜绝( )的现象。
A.单双号混编
B.重号
C.无序跳号
D.使用其他街(路)巷门牌号