[多项选择]男性患者，48岁。主诉：腹痛、腹泻8个月，加重1周。8个月来患者常感脐周或右下腹痛，伴间歇腹泻，粪便呈糊状，无脓血，近1周腹泻次数增加，每日10余次，伴有发热，体温38.7℃。病来患者无夜间盗汗，无咳嗽、咳痰，无恶心、呕吐，经常有口腔多发溃疡，饮食睡眠一般，体重下降约1.5kg。既往否认肝炎、结核等传染病病史。有长期吸烟、饮酒史。查体：腹平软，未触及包块，右下腹有压痛，无反跳痛及肌紧张，肝区无叩痛，胆囊点无压痛，移动性浊音阴性，肠鸣音正常。该患者入院后需完善的相关检查是（）。
A. 便常规及潜血
B. 结肠镜及活检
C. 血尿淀粉酶
D. 心理测试
E. 肠道传输试验
F. ¹⁴C-尿素呼气试验
G. 胃肠钡剂造影
H. PPD试验
I. 便结核分枝杆菌培养
J. 腹部血管彩超
K. 肝胆脾彩超

[单项选择]在编辑幻灯片中，按Ctrl+Y键，可以实现（）
A. 撤销前次操作
B. 剪切选择的元素对象
C. 粘贴选择的元素对象
D. 重复前次操作

[多选题]下列属于消防防坠落辅助设备的有( )
A.腰斧
B.安全钩
C.上升器
D.八字环

[单项选择]Recent opinion polls show that _____.
A. available employment should be restricted to a small percentage of the population
B. new jobs must be created in order to rectify high unemployment figures
C. available employment must be more widely distributed among the unemployed
D. the present high unemployment figures are a fact of life

[单选题]类白血病与白血病的鉴别中必不可少的一项是
A.血象
B.骨髓象
C.细胞化学染色
D.Ph染色体
E.组织活检

[多项选择]纳税人、扣缴义务人遗失税务登记证件的，应将（）在税务机关认可的报刊上刊登遗失声明，凭此声明申请补办税务登记证件。
A. 纳税人名称
B. 纳税人经营范围
C. 税务登记证件名称
D. 税务登记证件号码
E. 税务登记证件有效期
F. 发证机关名称

[单项选择]麻杏甘草石膏汤的功用是
A. 解肌清热，祛痰止咳
B. 辛凉宣泄，清肺平喘
C. 解肌透热，降气平喘
D. 辛凉透表，清热解毒
E. 宣肺利气，清热止咳

[判断题]（ ）扣件涂油，混凝土枕螺旋道钉改锚，属于钢轨大修主要内容。
A.正确
B.错误

[多项选择]根据《合同法》的规定，属于无效合同的情形有( )的合同。
A. 一方以欺诈手段订立损害对方当事人利益
B. 当事人恶意串通订立损害集体利益
C. 当事人协商一致订立损害社会公共利益
D. 约定的合同条款对当事人的利益显失公平
E. 以合法形式掩盖非法目的

[判断题]进行箱柜卫生清洁时可以使用湿抹布抹去箱柜的灰尘，但只允许使用干抹布或经过绝缘处理过的毛刷接触箱柜内带电设备。(___)
A.正确
B.错误

[判断题]国家统一的会计制度是指国务院根据《中华人民共和国会计法》制定的关于会计核算、会计监督、会计机构和会计人员以及会计工作管理的制度。

[单项选择]治疗心肾不交之虚烦不眠，应选用的药物是
A. 乌梅
B. 肉豆蔻
C. 莲子
D. 桑螵蛸
E. 海螵蛸

[判断题]矿井发生火灾后，位于火源进风侧的人员，应顺着新鲜风流撤退。
A.正确
B.错误

[单选题]扑救可能产生有毒气体的火灾(如电缆着火等)时,扑救人员应使用消防( )呼吸器。
A. 负压式
B. 正压式

[单选题](B737ng)737NG发动机燃油系统有一个HPSOV（高压关断活门），它装在哪里：
A.大翼上，发动机吊架的左侧
B.大翼上，发动机吊架的右侧
C.HMU内部
D.MEC内部

[简答题]营养丰富的食品容易由于微生物的污染而腐烂变质，试根据微生物学知识分析哪些方法可被用于延长食品的保存期？

[填空题]flash发布影片后，默认的的声音以（）格式输出。

[单选题] 病人,男性,18岁。连续输液10天后沿静脉走向出现一条索状红线,感觉局部灼热、疼痛,应考虑为 ( )
A.动脉炎
B.静脉炎
C.发热反应
D.空气栓塞
E.静脉栓塞

[判断题]焊接设备、工具和材料应排列整齐不得乱堆乱放,操作现场的所有气焊设备、焊接电缆线等,允许相互缠绕。(　　)
A.正确
B.错误

[单选题]CTCS-3级以及信号机常态灭灯的CTCS-2级自动闭塞区段，发车进路信号机故障且引导信号不能开放时发出列车，隔离模式运行时，行车凭证为（ ）。
A.
B.（A）调度命令
C.（B）出站信号机（线路所通过信号机）显示的允许运行的信号
D.（C）列控车载设备显示的允许运行的速度值

[多选题]除工作需要外,公安民警不得烫染、蓄留明显夸张的发色、发型。男性民警不得( )。除病理等因素外,公安民警不得剃光头。
A.留长发
B.留大鬓角
C.留平头
D.蓄胡须

[多选题]钢轨伤损形式主要有轨头磨耗、轨头剥离裂纹及掉块、轨顶面擦伤、（ ）等。
A.波形磨耗
B.表面裂纹
C.内部裂纹
D.锈蚀

[单选题]120型空气制动机是（）式空气制动机。(1.0分)
A.间接作用
B.分压力作用
C.直接作用
D.负反馈作用

[单项选择]

Low levels of literacy and numeracy have a damaging impact on almost every aspect of adults, according to a survey published yesterday, which offers (1) of a developing underclass. Tests and (2) with hundreds of people born in a week in 1958 graphically illustrated file (3) of educational underachievement. The effects can be seen in unemployment, family (4) , low incomes, depression and social inactivity.
Those who left school at 16 with poor basic skills had been employed for UP to four years less than good readers (5) they reached 37. Professor John Bynner, of City University, who carried the research, said that today’s (6) teenagers would even encounter greater problems because the supply of (7) jobs had shrunk.
Almost one fifth of the 1,700 people interviewed for yesterday’s report had poor literacy and almost half (8) with innumeracy, a proportion (9) other surveys for the Basic Skills
A. defect
B. backwardness
C. handicap
D. scarcity

[单选题]《反恐怖主义法》规定，公安机关调查恐怖活动嫌疑，经县级以上公安机关负责人批准，责令恐怖活动嫌疑人员遵守未经公安机关批准不得离开所居住的市、县或者指定的处所约束措施的，措施的期限不得超过（ ）月。
A.A、一个
B.B、三个
C.C、六个
D.D、

[简答题]下列关于轨缝调整条件的叙述，不正确的是(　　)。

[多选题]《电网工程建设预算编制与计算规定（2018 年版）》中规定，以下选项中应计入项目建设管理费的是（ ）。
A.前期工作费
B.工程监理费
C.企业管理费
D.工程保险费
E.招标费

[多选题]绝对剩余价值、相对剩余价值和超额剩余价值的关系是
A.绝对剩余价值和相对剩余价值都是靠增加工人的剩余劳动时间生产出来的
B.绝对剩余价值和相对剩余价值生产的物质技术基础不同，因而在资本主义发展的不同时期所起的作用不同
C.相对剩余价值生产的条件是少数企业的劳动生产率高于本部门的平均劳动生产率，而超额剩余价值生产的条件则是社会生产率的普遍提高
D.生产相对剩余价值的整个过程，在现实生活中表现为无数资本家不断地追逐超额剩余价值的过程

[判断题]车挡或端站台不能作为确定线路有效长的起止点。
A.正确
B.错误

[不定项选择题]共用题干 Living Alone Is Joyful More and more Americans are living alone.Some live alone because of divorce or the death of a partner. _______（46) According to a recent U.S.census（人口普查）,25 percent of all households in the U.S.are made up of just one person.This is dramatic change from the extended families of just a couple of generations ago. The typical person living alone is neither old nor lonely．
______(47)The majority of these people have chosen to live alone.They are responding to decreasing social pressure to get married and have a family.
It's now socially acceptable,even fashionable,to live alone.As people get better jobs and become financially independent,it becomes possible for them to maintain a one-person household.______(48)
However,people who do get married are marrying at a later age and divorcing more often. The number one reason given by most people for living alone is that they simply enjoy doing what they want when they want to do it."Living alone is a luxury,"says Nina Hagiwara,33."Once you do it,you can't ever go back to living with others,"David C'Debaca,46,agrees.
______(49) Children think that being grown up means being able to do exactly as they please._______(50) The chance to discover whether that freedom is as wonderful as it sounds is a chance more and more Americans are taking. ______(49)
A.There's more pressure to get married nowadays.
B.The growing number of women with good jobs has done much to increase the number of people living alone.
C.However,even more people are living alone because they have chosen to.
D.It seems that many grown-ups today are realizing that childhood dream.
E.In fact,a quarter of the 23 million single people in the U.S.are under the age of 35.
F.He says,"I like being by myself."

[单选题]测量(____)V的电压时，为了安全起见，应两人进行测量，其中一人监护。
A. 200
B. 500
C. 1000
D. 150

[判断题] ( )氯气伤害呼吸系统。
A.正确
B.错误

[填空题]党的十二大以来,我党处理与各民主党派关系的方针是:( )。

[填空题]{{B}}第二节 短文理解 1{{/B}}
阅读下面短文，从[A] (Right)、[B] (wrong)、[C] (Doesn’t Say)三个判断中选择一个正确选项。