热门试题:
[单项选择]砖砌体砌筑施工的工艺顺序是()砖)。
A. 抄平、放线、摆砖样、挂准线、立皮数杆、铺灰、砌砖
B. 放线、抄平、摆砖样、挂准线、立皮数杆、铺灰、砌砖
C. 抄平、放线、摆砖样、立皮数杆、挂准线、铺灰、砌砖
D. 放线、抄平、摆砖样、立皮数杆、挂准线、铺灰、砌砖
[多项选择]苦杏仁苷水解后,产生的成分是()
A. 氢氰酸
B. 半乳糖
C. 苯甲醛
D. 葡萄糖
E. 苯甲醇
[单项选择]换向阀处于中位时能使液压泵卸载,可选()型滑阀机能。
A. D
B. Y
C. H
D. P
[单选题]设计温度小于或等于()℃的压力容器称为低温压力容器。
A.-20
B.-10
C.0
[单项选择]中华人民共和国第一任公安部长是( )。
A. 罗瑞卿
B. 李克农
C. 陈赓
D. 彭真
[单选题]《行规》第52条规定:调车作业通知单和以口头方式布置的调车作业计划,必须逐钩传达。用口头方式布置计划不得超过( )钩,并不得连续使用。
A.1
B.2
C.3
D.5
[单选题]高处作业应使用工具袋。上下传递材料、工器具应使用绳索;邻近带电线路作业的,应使用绝缘绳索传递,较大的工具应用绳拴在( )。
A. 牢固的构件上
B.设备上
C.设备外壳上
D.横担上
[多选题]下列关于我国古代佛塔描述正确的是( )
A. 佛宫寺释迦塔是我国现存最古老最高的木结构塔
B. 北海白塔为覆钵式塔
C. 嵩岳寺塔是我国现存最早的砖塔
D. 真觉寺金刚宝塔是我国现存最早的金刚宝座式塔
E. 小雁塔是玄奘法师为供奉从印度带回来的佛像所建。
[单选题]发病率最高的小儿腹股沟疝为
A.右侧離沟斜疝
B.双侧腹股沟斜疝
C.双侧腹股沟直疝
D.单侧腹股沟直疝
E.左侧腹脂勾跡
[判断题]电台的部门代码是YX。( )
A.正确
B.错误
[单选题]下列树种叶片边缘呈现波状的是
A..桑
B..辽东栎
C..文冠果
D..黄栌
[单选题]湿温潮热的特点是( )
A.日晡热甚
B.身热不扬
C.腹满便秘
D.夜间低热
E.手足心热
[多项选择]防虫保护技术也可用()等方法,使害虫无生存环境。
A. 机械包装
B. 真空包装
C. 充气包装
D. 脱氧包装
E. 防锈油包装
[单项选择]Vibrations in the ground are a poorly understood but probably widespread means of communication between animals.
It seems unlikely that these animals could have detected seismic "pre-shocks" that were missed by the sensitive vibration-detecting equipment that clutters the world’s earthquake laboratories. But it is possible. And the fact that many animal species behave strangely before other natural events such as storms, and that they have the ability to detect others of their species at distances which the familiar human senses could not manage, is well established. Such observations have led some to suggest that these animals have a kind of extra-sensory perception. What is more likely, though, is that they have an extra sense-a form of perception that people lack. The best guess is that they can feel and understand vibrations that are transmitted through the ground.
Almost all the research done into animal signaling has been on sight, hearing and smell, because these are s
A. the world’s earthquake laboratories were not effective in detecting seismic "pre-shocks".
B. seismic signaling was the major communication form of many animal species.
C. those animal species can feel and understand all kinds of vibrations.
D. all strange animal behaviors can be explained by extra-sensory perception.
[判断题]( )衰减比是表征控制系统快速性的指标。
A.正确
B.错误
[判断题]( )80 km/h<υmax ≤120 km/h 正线混凝土枕地段,高低在作业验收时静态容许偏差管理值为5mm。
A.正确
B.错误
[单选题]相关( )设备检修、试验前后( )。
A.带电
B.感性
C.容性
D.容性、感性
[单选题]混凝土应在12小时内进行覆盖养护,并有足够的养护期,一般情况不少于( )天。
A.4
B.5
C.6
D.7
[单选题]触诊对全身的哪个部位的检查更重要
A.颈部
B.腹部
C.胸部
D.皮肤
[单项选择]
If you do not use your arms or your legs for some time, they become weak. When you (36) . using them again, they (37) become strong again. Everybody knows this and nobody would think of (38) this fact. (39) there are many people who do not (40) to know that memory works in the (41) way.
(42) someone says that he has a good memory; he (43) means that he (44) his memory by practising exercising it. When someone (45) says that his memory is poor, he actually means that he (46) give it enough chances to become (47) . Have you ever (48) that people who cannot read or write usually have (49) memories than those who can This is (50) those who (51) read or write (52) remember things. They have to remember dates, places, names, songs and stories. So their memory is the whole time (53) . So (54) you want to have a goo
A. seen
B. heard of
C. noticed
D. thought of
[单项选择]We can separate the mixture into the pure chemical compounds ______ it is composed.
A. in which
B. of what
C. of which
D. from which
[单选题]CRH380B型动车组车辆落成后在自重负荷条件下,在水平轨道上测量横向缓冲器与中心销挡板间隙,左右两侧平均值为()mm。
A. 10~20;
B.15~20;
C.10~24;
D.18~24
[单选题]缆线路和传输设备,光缆终端在光终端盒上,它们之间的分界点是( )。
A.综合柜的活动连接器
B.第一个尾纤活动连接器
C.第二个尾纤活动连接器
D.尾纤头
[单项选择]螺旋桨调速器中给定弹簧的功用是().
A. 反映螺旋桨实际迎角的大小。
B. 反映螺旋桨选定迎角的大小。
C. 反映螺旋桨实际转速的大小。
D. 反映螺旋桨选定转速的大小。
[单选题]正压式空气呼吸器气瓶的最高工作压力是( )MPa。
A.20
B.25
C.30
D.35
[单项选择]对流感尚无满意的特异性预防措施的原因是()
A. 流感病毒不能细胞外培养
B. 抗体无明显的保护作用
C. 制备的疫苗无抗原性
D. 流感病毒易发生变异
E. 流感病毒通过呼吸道飞沫传播
[单项选择]《谏逐客书》中,“弃黔首以资敌国,却宾客以业诸侯”采用的修辞方法是
A. 比喻
B. 层递
C. 对偶
D. 对比
[单选题]老年男性患者,近2月来感头晕乏力,心悸不适来院检查,查体:贫血貌,皮肤干燥,指甲脆裂。浅表淋巴结未触及,肝脾不大。实验室检查:血红蛋白70g/L,网织红细胞计数0.005,血片示小细胞低色素性贫血改变,血清铁6.2μmol/L,总铁结合力92μmol/L,粪便检查钩虫卵(+)。
[问题3][单选题]
本病铁剂治疗的最终目的是使
A.血常规恢复正常
B.红细胞形态恢复正常
C.血清铁恢复正常
D.总铁结合力恢复正常
E.补足贮存铁
[多项选择]关于规范性文件的系统化的说法,正确的是( )。
A. 规范性文件的系统化方式主要包括法规汇编、法典编纂和法规清理
B. 法规汇编是重要的立法活动,只能由国家立法机关进行
C. 法典编纂不只是对现行法律规范进行整理归类,还需对其内容加以审查、修改和补充
D. 法规清理只能由拥有立法权的国家机关或其授权的机关进行,分为集中清理、定期清理和专项清理
[判断题]怀孕的妇女或年老的人犯罪,不属于法定从轻、减轻处罚条件。
A.正确
B.错误
[多选题]电梯制造单位应当按照安全技术规范的要求对电梯进行校验和调试,并对()结果负责。
A.校验
B.安装
C.调试
D.修理
[单选题]钱女士,初产妇,产后2周出现弛张热,下腹疼痛并且压痛明显,下肢肿胀疼痛,皮肤紧张发白。最可能的诊断是( )。
A.产后关节炎
B.子宫肌炎
C.血栓性静脉炎
D.急性盆腔腹膜炎
E.急性盆腔结缔组织炎
[判断题]税务机关在发售发票时,应按财政、税务部门核准的收费标准收取发票工本费,并向购票方开具发票。( )
[单选题]某批次点能计量器具抽样验收不合格,该批次电能计量器具应( )
A.退回生产厂家
B.入库后放置在不合格区
C.立即报废