热门试题:
[单选题]10kV及以下架空电力线路的导线紧好后,弧垂的误差不应超过设计弧垂的()。
A.±3%
B.±4%
C.±5%
D.±6%
[单项选择]
When aluminum was first produced about a hundred and fifty years ago, it was so difficult to separate from the ores in which it was found that its price was higher than that of gold. The price remained high until a new process was discovered for refining the metal with the aid of electricity approximately three quarters of a century later. The new method was so much cheaper that aluminum became practical for many purposes, one of which was making pots and pans.
Aluminum is lightweight, rustproof and easily shaped into different forms. By mixing it with other metals, scientists have been able to produce a variety of alloys, some of which have the strength of steel but weigh only one third as much.
Today, the uses of aluminum are innumerable. Perhaps its most important use is in transportation. Aluminum is found in the engine of automobiles, in the hulls of boats. It is also used in many parts of airplanes. In fact, the huge "airbus" planes would probably
A. lightweight, rustproof but not easily shaped into different forms
B. heavyweight, rustproof and easily shaped into different forms
C. lightweight, rustproof and easily shaped into different forms
D. lightweight and easily shaped into different forms but it is easy to become rusty
[多项选择]零件尺寸大、过盈量大或无法打入、压入的情况多用()方式装配
A. 敲打
B. 冷装
C. 热装
D. 导拉
[单项选择]关于《中华人民共和国执业医师法》的适用范围,正确的说法是()
A. 依法取得执业医师资格的人
B. 依法取得执业医师资格或者执业助理医师资格的专业医务人
C. 依法取得执业医师资格或者执业助理医师资格,在医疗机构中执业的专业医务人员
D. 依法取得执业医师资格或者执业助理医师资格,经注册在医疗机构中执业的专业医务人员
E. 依法取得执业医师资格或者执业助理医师资格,经注册在医疗、预防、保健机构中执业的专业医务人员
[判断题]铁路运输企业所属临管铁路发生的责任伤亡事故,定该企业责任事故。 ( )
A.正确
B.错误
[单选题]
世界主题转换为( ),使中国能够专心致志地搞社会主义现代化建设,能够在新的背景下展开改革开放的蓝图。
A.发展与脱贫
B.和平与发展
C.发展与环保
[判断题] 易燃液体是指在常温下极易着火燃烧的液态物质,这类物质大都是无机化合物,其中很多属于石油化工产品。( )
A.正确
B.错误
[单选题]急性胆囊炎在非手术治疗期间若出现胆囊穿孔,最主要的护理措施是( )
A.做好紧急手术的准备
B.药物止痛
C.非药物止痛
D.物理降温
E.药物降温
[单项选择]干制品的贮存最适当的温度是()。
A. 0~1℃
B. 12~15℃
C. 0~2℃
D. 10~15℃
[判断题]医师利用计算机开具普通处方,则不需使用纸质处方。()
[单选题]GIS局部放电超声波检测至少由两人进行,并严格执行保证安全的组织措施和(____)。
A. 技术措施
B. 专项措施
C. 安全措施
D. 专业措施
[单项选择]决定粉尘对机体作用性质的主要因素是()
A. 粉尘的化学成分
B. 接触浓度
C. 接触时间
D. 粉尘的分散度
E. 粉尘的类型
[单选题]用以监视和控制排气的压力高压继电器的波纹管室,接于压缩机的()。
A.进气腔
B.排气腔
C.曲轴箱
[单选题]CRH3A型动车组新的油气分离器更换时,要在油气分离器中注入约( )的润滑油。
A.10ml
B.15ml
C.20ml
D.30ml
[单项选择]出自范仲淹的话是()
A. "人命至重,有贵千金,一方济之,德逾于此"
B. "无恒德者,不可以做医,人命生死之所系"
C. "一存仁心,……二通儒道,……三精脉理,……四识病原,……十勿重利。"
D. "不为良相,愿为良医"
E. "夫医者,非仁爱之士,不可托也;非聪明理达,不可任也;非廉洁淳厚,不可信也。"
[单选题]( )是党的生命,是党内政治生活积极健康的重要基础。
A.群众路线
B.民主集中
C.实事求是
D.党内民主
[多选题]下列文件资料中,属于工程量清单计价模式下投标人报价依据的有( )。
A.招标工程投资估算
B.招标工程标底
C.招标人答疑纪要
D.建设工程设计文件
E.招标文件及工程量清单
[单选题]水门汀的主要用途是( )
A.粘固修复体
B.垫底
C.临时修复
D.粘固+垫底+临时修复
E.磷酸锌可永久充填
[单项选择]原始凭证按( )不同,分为通用凭证和专用凭证。
A. 来源
B. 手续及内容
C. 格式
D. 填制方法
[单选题]患者女性,55岁。右乳头瘙痒6月余,体格检查:右乳头及乳晕区皮肤潮红、渗出,有较多鳞屑,少量增厚,未扪及明显肿块,应除外
A.乳管内乳头状瘤
B.乳房结核
C.乳房囊性增生病
D.乳头湿疹样癌
E.炎性乳腺癌
[单选题]一般检测比空气重的可燃气体或有毒气体的检测仪,应安装于距地面( )cm处。
A.10
B.15
C.30-60
[单项选择]血瘀发热证的首选方为()
A. 重要病机之一
B. 多次、多食、多尿、消瘦、乏力
C. 肺、胃、肾
D. 清热润燥,养阴生津
E. 阴津亏损,燥热偏盛
[判断题]盈亏平衡销售价格越大项目抗风险能力越强。
[填空题]更换4RD或5RD熔片时,应在启动发电机( )后进行。
[多项选择]社会学的理论作用包括()
A. 认识作用
B. 意识形态作用
C. 约束作用
D. 教育作用
[单项选择]凤姐在宝钗机带双敲之后,她的态度与原先比有了什么变化?()
A. 依旧支持宝黛爱情
B. 由支持转为暧昧
C. 由反对转为支持
D. 与林黛玉走的更近了
[填空题]已知当x→0时,mxn与1n(1-x3)+x3为等价无穷小,则m=______,n=______.
[判断题]已结清贷款可以进行冲补账。( )
A.正确
B.错误
[单项选择]由于企业的一笔投资会对其他企业的产品产生需求,在其他企业生产能力已被充分利用并获得盈利之后,就会引起这些企业也扩大投资,如此多次传递,投资需求会不断扩大。这反映了投资具有( )特点。
A. 投资效益滞后
B. 风险性
C. 乘数效应
D. 基数效应
[单项选择]English names and Chinese names are quite different in some (41) ways, but it’s not hard for us to know.
Unlike Chinese, most English people have (42) names. One is their family name, both of the other names are given names. Their family name is (43) the given name. They use Mr, Mrs or Miss with the (44) name, but they never use (45) with the first name. For example, we can (46) a man named James Allan Green Mr Green, (47) we can’t call him Mr James or Mr Allan. People usually use Jim (48) James. Jim is short for James because it’s (49) to remember.
But Chinese names are the opposite. A girl with the name Hun Limei (50) her family name Hun first. Of course, she can be called Ah Mei for short in China if you wish.
A. but B. so C. and
[判断题]2.56 机动车行驶证工本费为每本15元。
A.正确
B.错误
[多项选择]社会基本矛盾()。
A. 制约着其他各种社会矛盾的发展
B. 决定着社会的进程、性质和面貌
C. 推动着人类社会不断向前发展
D. 是社会发展有其客观规律的内在根据
[单项选择]角化囊肿好发于
A. 上颌前牙区
B. 上颌磨牙区
C. 上颌尖牙区
D. 下颌升支及磨牙区
E. 下颌前牙区
[填空题]调车作业中,车辆临时停在警冲标外方时,一批作业完了后,应立即送入( )内方。