热门试题:
[判断题].用于水泥混凝土中的粉煤灰需水量比和矿渣粉流动度比试验用砂均为0.5mm～1.0mm的中级砂。( )
A.正确
B.错误
[单选题]根据事故致因理论：未对作业人员进行专门安全培训，并取得特种作业人员操作证，属于( )。（）
A.人的不安全行为
B.物的不安全状态
C.作业环境不良
D.安全管理缺陷
[单选题] 本例行肺X线胸部摄片未见异常,其最佳治疗方案为
A.全子宫+双附件切除
B.全子宫切除+淋巴清扫
C.全身化疗
D.B超下局部注射抗癌药物
E.全子宫切除
[多选题]建筑性能化设计主要解决的问题有（ ）。
A.建筑防排烟
B.人员安全疏散设施
C.防火分区面积
D.钢结构耐火保护
E.火灾场景设定
[多选题]《收费公路管理条例》中的车辆通行费的标准由哪些因素计算确定？（）
A.技术等级和投资总额
B.当地物价指数
C.偿还贷款或者有偿集资款的期限
D.收回投资的期限
[单选题]459、心得安是哪种药品的别名
A.盐酸普萘洛尔
B.硝苯地平
C.硝酸异山梨酯
D.曲克芦丁
[单选题]进行500kV带电清扫工作时，绝缘操作杆的有效长度不准小于（ ）m。
A.1.5
B.2.0
C.3.0
D.4.0
[单选题]机动排烟机的用途有( )。
A.对火场外的区域进行排烟
B.对火场内部浓烟区域进行排烟送风
C.对火场内的区域进行排烟
D.对火场外的浓烟区域送风
[单选题]动脉性充血的主要病理变化是
A.局部组织呈暗红色
B.器官体积增大
C.小动脉和毛细血管扩张，血液输入量增加
D.器官重量增加
E.血流减慢
[简答题]Write on ANSWER SHEET TWO a note of about 50-60 words based on the following situation:
Your class is going to have a party to celebrate the traditional Chinese Festival "Mid-Autumn Day". You want to invite your foreign teacher Mr. Smith to join you. Write him a note of invitation. You should tell him when and where the party is going to be held.
Marks will be awarded .for content, organization, grammar and appropriateness.
[单项选择]男性，72岁，阵发性心房颤动3年，平时为窦性心律，心率55次／分，注射阿托品后，心率无明显加快，口服地高辛0．25mg／d，2周后出现反复晕厥就诊，心率32次／分，此时最为合适的治疗方法是（）
A. 停服地高辛，给氯化钾
B. 停服地高辛，给苯妥英钠
C. 停用地高辛，加用阿托品
D. 停用地高辛，加用氨茶碱
E. 安置心脏起搏器
[单选题]在招标投标程序中，确定中标人的权利归属于()。
A.招标人
B.评标委员会
C.招标代理机构
D.有关行政监督部门
[简答题]EDI是按照统一的通用标准格式，标准的经济信息，通过通信网络传输，在贸易伙伴的电子计算机系统之间进行数据交换和自动处理。( )
[单选题]工作负责人应由有本专业工作经验、熟悉工作范围内的设备情况、熟悉本规程，并经（ ）批准的人员担任。
A.工区（车间）
B.单位
C.上级单位
D.公司
[单选题]( ) 从组织上确立了党对军队的绝对领导,为建立一支无产阶级领导下的新型人民军队奠定了基础。
A.井冈山会师
B.工农武装割据
C.三湾改编
[单项选择]滚动轴承的基本代号自左向右分别表示( )
A. 尺寸系列、轴承类型和轴承内径
B. 轴承内径、尺寸系列和轴承类型
C. 轴承类型、尺寸系列和轴承内径
D. 轴承类型、轴承内径和尺寸系列
[单选题]同一项施工多站进行时，主站和辅站原则上不超过( )个。
A.A.4
B.B.5
C.C.6
D.D.7
[单项选择]When I was walking down the street the other day, I happened to notice a small brown leather wallet lying on the sidewalk. I picked it up and opened it to see if I could find out the owner’s name. There was nothing inside it except some change and an old photograph—a picture of a woman and a young girl about twelve years old, who looked like the woman’s daughter. I put the photograph back and took the wallet to the police station, where I handed it to the desk sergeant. Before I left, the sergeant took down my name and address in case the owner might want to write and thank me.
That evening I went to have dinner with my aunt and uncle. They had also invited a young woman so that there would be four people at the table. Her face was familiar. I was quite sure that we had not met before, but I couldn’t remember where I had seen her. In the course of conversation, however, the young woman happened to mention that she had lost her wallet that afternoon. All at once I realized where i
A. the writer found both the wallet and its owner
B. the finder and the loser of the wallet were old friends
C. the finder and the loser of the wallet met at the police station
D. the woman knew the writer and his uncle
[单选题]《铁路旅客运输服务质量规范》(铁总运〔2016〕247号)规定，有空调的服务处所温度调节适宜，体感舒适，夏季原则上保持（ ）。
A.22℃ -28℃
B.24℃ -28℃
C.26℃ -28℃
D.25℃ -28℃
[多选题]以下通信方式属于有线通信方式的是()。
A.电力线载波
B.以太网
C.PSTN
D.电信专网
[单选题]导致设备局部放电的因素中的状态运行影响不包括哪项( )
A.绝缘材料不均匀
B.运行过电压
C.雷电波冲击
D.谐波畸变
[单项选择]When his daughter Mary went out for her evening walk Doctor Cochran sat for an hour alone m his office. It began to grow dark and the man who all afternoon had been sitting on chairs and boxes before the livery barn across the street went home for the evening meal. The noise of voices grew faint and sometimes for five or ten minutes there was silence. Then from some distant street came a child’s cry. Presently church bells began to ring.
The Doctor was not a very neat man and sometimes for several days he forgot to shave. With a long lean hand he stroked his half grown beard. His illness had struck deeper than he had admitted even to himself and his mind had an inclination to float out of his body. Often when he sat thus his hands lay in his lap and he looked at them with a child’s absorption. It seemed to him they must belong to someone else. He grew philosophic." It’s an odd thing about my body. Here I’ve lived in it all these years and how little use I have had of it. Now it’s
A. had intended to go for a walk with Mary
B. had to fight with acute depression
C. liked to grow his beard in purpose
D. was suffering from a fatal disease
[单选题]（2020年）根据税收征收管理法律制度的规定，税务机关可以采取的税款征收措施不包括（ ）。
A.责令缴纳
B.责令提供纳税担保
C.取消税收优惠
D.采取税收保全措施
[判断题] 工作许可后,工作负责人、专责监护人应向工作班成员交待工作内容、人员分工、带电部位和现场安全措施,告知危险点,并履行签名确认手续,方可下达开始工作的命令。( )
A.正确
B.错误
[多项选择]患儿男，3岁，因“咳嗽3天，发热1天”来诊。患儿体温39℃，咳声频繁，呼吸急促，面红口干，烦躁不安，脉浮数。曾服西药（小儿感冒片、阿莫西林、止咳糖浆等）治疗，症状未减轻。查体：咽充血，扁桃体稍有肿大，双肺呼吸音粗，可闻及细小湿啰音。X线透视示：肺纹理增粗，右下肺见小片状影。诊断：急性支气管肺炎。遂以上法运内八卦，清肝、肺经，揉掌小横纹，清天河水、开天门、推太阳。运八卦穴的作用是（）
A. 胸膈
B. 和五脏
C. 逆运治热
D. 降胃气
E. 消宿食
F. 平肝气
[单选题]在下水道、煤气管线、潮湿地、垃圾堆或有腐质物等附近挖沟（槽）时，应设监护人。在挖深超过（）的沟（槽）内工作时，应采取安全措施，如戴防毒面具、向沟（槽）送风和持续检测等。监护人应密切注意挖沟（槽）人员，防止煤气、硫化氢等有毒气体中毒及沼气等可燃气体爆炸。
A.1.0m
B.1.5m
C.1.8m
D.2.0m
[单选题]车站发生不明原因的群体性晕倒或出现明显有毒气体泄露症状时，车站应立即报（ ）， 穿好防护用品组织疏散乘客，执行关站程序。
A.站长
B.值班站长
C.行调
D.行值
[多选题]（ ）信号机不能使用时，应开放引导信号。引导信号不能开放或无进站信号机时，应派引导人员接车
A.进站
B.通过
C.接车进路
D.驼峰
[单项选择]设向量组(Ⅰ)：α1，α2，…，αs，其秩为r1，向量组(Ⅱ)：β1，β2，…，βs，其秩为r2，且βi(i=1，2，…，s)均可以由α1，…，αs线性表示，则______．
A. 向量组α1+β1，α2+β2，…，αs+βs的秩为r1+r2
B. 向量组α1-β1，α2-β2，…，αs-βs的秩为r1-r2
C. 向量组α1，α2，…，αs，β1，β2，…，βs，的秩为r1+r2
D. 向量组α1，α2…，αs，β1，β2，…，βs,的秩为r1
[单选题] 发绀伴杵状指,可见于
A.先天性心脏病;
B.气胸;
C.胸腔积液;
D.肺炎;
E.休克;
[单选题]下列关于医学模式的说法，哪一项是错误的
A.生物医学模式是建立在近代生物学、化学、物理学和社会实践基础之上的医学模式
B.生物医学模式认为任何一种疾病都可在器官、细胞或生物大分子上找到可测量的、形态的或化学的改变
C.医学模式向生物一心理一社会医学模式的转变在本质上反映了医学道德的进步
D.生物医学模式对人类健康、疾病的认识是片面的，没有对医学起推动作用
E.20世纪下半叶开始，医学模式由生物医学模式逐渐转变为生物-心理-社会医学模式
[单项选择]有关立体视觉的叙述，错误的是（）。
A. 立体视觉又称空间视觉
B. 它表示两个物体相对的远近关系
C. 它必须以双眼单视为基础
D. 绘画、雕塑职业要求有良好的立体视觉
E. 立体视锐度正常值＞60弧秒
[单选题]在防火重点部位或场所以及禁止明火区动火作业，应填用( )。
A.第一种工作票
B.第二种工作票
C.动火工作票
[单选题]集装箱按所装货物（）结构分为普通货物箱和特种货物箱。
A.种类和尺寸
B.重量和箱体
C.种类和箱体
D.重量和尺寸
[单选题]人们常称为“头皮”的结构是指 ( )
A.颅顶部的皮肤
B.颅顶部的皮肤和浅筋膜
C.皮肤和浅、深筋膜
D.皮肤、浅筋膜、帽状腱膜与枕额肌
E.由浅入深共5层结构
