题目详情
题目详情:

[单项选择]轴与轴承配合的部分称为()。
A. 轴颈;
B. 轴肩;
C. 轴头;
D. 轴尾。

热门试题:

[多选题]针对该疾病的预防措施正确的有哪些( )
A.女性保持外阴清洁
B.多饮水,勤排尿
C.积极治疗体内感染灶
D.每日常规口服呋喃妥因
[单项选择]基牙间的分散程度可以增强义齿的固位作用,因为
A. 基牙越分散,倒凹的深度越大
B. 基牙越集中,各固位体间的相互制约作用越强
C. 基牙越分散,倒凹的坡度越大
D. 基牙越集中,倒凹的坡度越大
E. 基牙越分散,各固位体间的相互制约作用越强
[单项选择]关于本周蛋白的叙述,错误的是()
A. 又称凝溶蛋白
B. 为多发性骨髓瘤的特征之一
C. 其增高即提示肾功能不全
D. 其尿中的含量可作为肿瘤细胞数的指标
E. 大量增多伴肾衰竭,提示预后不良
[不定项选择题]共用题干 Germs(细菌)on Banknotes
People in different countries use different types of money:yuan in China,pesos in Mexico,pounds in the United Kingdom,dollars in the United States,Australia and New Zeal-and. They may use different currencies,but these countries,and probably all countries,still have one thing in______(1):germs on the banknotes.
Scientists have been studying the germs on money for well over 100 years. At the turn of the 20th______(2),some researchers began to suspect that germs living on money could spread disease.
Most studies of germy money have looked at the germs on the currency______(3)one country. In a new study,Frank Vriesekoop and other researchers compared the germ populations found on bills of different______(4).
Vriesekoop is a microbiologist at the University of Ballarat in Australia. He led the stud-y,which compared the germ populations found on money______(5)from 10 nations. The scientists studied 1,280 banknotes in total;all came from places where people buy food,like supermarkets,street vendors and cafes,______(6)those businesses often rely on cash.
Overall,the Australian dollars hosted the fewest live bacteria一no more than 10 per square centimeter. Chinese yuan had the______(7)about 100 per square centimeter. Most of the germs on money probably would not cause harm.
What we call“paper money”_________(8)isn't made from paper. The U. S. dollar,for ex- ample,is printed on fabric that is mostly cotton. Different countries may use different______(9)to print their money. Some of the currencies studied by Vriesekoop and his team,such as the American dollar,were made from cotton. Others were made from polymers.
The three______(10)with the lowest numbers of bacteria were all printed on poly-mers. They included the Australian dollar,the New Zealand dollar and some Mexican pesos.
The______(11)currencies were printed on fabric made mostly of cotton. Fewer germs lived on the polymer notes. This______(12)suggests that germs have a harder time staying alive on polymer surfaces. Scientists need to do more studies to understand______(13)germs live on, mon-ey—and whether or not we need to be concerned. Vriesekoop is now starting a study that will______(14)the amounts of time bacteria can stay alive on different types of bills.
Whatever Vriesekoop finds,the fact remains:Paper money______(15)germs. We should wash our hands after touching it;After all,you never know where your money's been. Or what's living on it. 9._________
A.formats
B.colors
C.materials
D.languages
[单项选择]新生儿医院感染预防措施不正确的是()
A. 注意小儿的皮肤清洁
B. 注意饮食卫生
C. 注意环境卫生
D. 注意手卫生
E. 出现感染性疾病的工作人员继续工作
[单选题]下列选项中属于字符串常量的是:
A.'abc'
B."abc"
C.[abc]
D.(abc)
[填空题]
Directions: There are 15 blanks in the passage. For each blank, some letters of the word have been given (not exceeding 3 letters). Read the passage below and think of the word which best fits each blank, Use only one word in each blank.
Shopping habits in the United States have changed greatly in the last quarter of the 20th century. Early in the 1900s most Americans towns and c{{U}} (79) {{/U}} had a Main Street. Main Street was always in the heart of a town. This street was de{{U}} (80) {{/U}} on both sides with many various bu{{U}} (81) {{/U}} . Here, shoppers walked into stores to look at all sorts of merchandise: clothing, furniture, hardware, groceries. In addition, some shops offered f{{U}} (82) {{/U}}. These shops included drugstores, restaurants, shoe repair stores, and barber or hairdressing shops. But in the 1950s, a ch{{U}} (83) {{/U}} began to take place. Too many automobiles had crow
[判断题] 进入可燃有毒气体泄漏区域时,应从下风方向进入,并使用喷雾水、屏风水枪、水幕水带等实施掩护。( )
A.正确
B.错误
[判断题]期权是给予期权持有者从事交易的义务,而不是权利。
[单选题]ZC-8型接地电阻测试仪测量接地电阻值时导线的另一端接线方式为( )。
A.E、P、C端分别接被测物接地极Eˊ,电位探棒Pˊ和电流探棒Cˊ
B.E、P、C端分别接被电位探棒Eˊ,电流探棒Pˊ和测物接地极Cˊ
C.E、P、C端分别接被电流探棒Eˊ,电位探棒Pˊ和测物接地极Cˊ
D.E、P、C端分别接被测物接地极Eˊ,电流探棒Pˊ和电位探棒Cˊ
[单选题]
一患者起病急病情进展迅速肝体积显著缩小色黄质地柔软镜下肝细胞广泛大片坏死有多量单个核炎细胞浸润,应诊断为( )
A.急性普通型肝炎
B.慢性轻度肝炎
C.慢性中度肝炎
D.慢性重度肝炎
E.急性重型肝炎
[单选题]对于因平行或邻近带电设备导致检修设备可能产生感应电压时,应加装()。
A.标示牌
B.围栏
C.隔离挡板
D.工作接地线或使用个人保安线
[多选题]粮油调销贷款的具体用途包括:( )
A.借款人自主经营,从其他企业调入粮食的合理资金需要。
B.借款人配合国家宏观调控政策进口粮食的合理资金需要。
C.借款人受政府指定参与落实粮食宏观调控政策调入粮食的合理资金需要。
D.借款人用于交易市场粮食拍卖的资金需要。
[判断题]操作中不允许把各限位开关当作停止按钮来切断电源。
A.正确
B.错误
[判断题]凡是能与空气中的氧或其它氧化剂发生化学反应的物质称为可燃物。
A.正确
B.错误
[判断题]采样的基本要求是样品要有代表性、在采出后不被污染、在分析测定前不发生变化。
A.正确
B.错误
[判断题]计划、组织、领导、控制仍然是数据管理活动的基本职能
A.正确
B.错误
[单选题](31194)动车组在机车回送时,途中不得通过半径小于( )的曲线。 (1.0分)
A.100m
B.150m
C.180m
D.250m
[单选题]采集设备有无人机、摄像机等。
A.对
B.错
[单选题]违章违纪事件发生的心理描述错误的是 ( )
A.冒险心理:争强好胜,喜欢逞能;私下爱与人打赌;不考虑客观因素,
不听劝阻
B.走快捷心理:总是追求更简单、便捷的处事方式,而忽视质量、安全
C.从众心理:与多数人保持一致的心理现象,通俗的说就是“随大流”
D.得过且过心理:工作低标准、马虎从事、敷衍塞责,缺乏主人翁意识和
工作责任感
[多项选择]破产债权具有如下哪些特征:()
A. 破产债权属于财产请求权
B. 破产值权属于无优先受偿权的债权
C. 破产债权必须是可强制执行的债权
D. 破产债权只能通过破产程序才能得到清偿。
[判断题]“三证合一”登记制度改革过渡期内,企业持旧版营业执照、税务登记证、组织机构代码证办理银行账户业务的,银行仍应按照《人民币银行结算账户管理办法》(中国人民银行令(2003)第5号发布)及相关规定执行。企业持旧版营业执照、税务登记证、组织机构代码证中任一证照过期的,银行应要求其到当地工商行政管理部门换发新版营业执照,再行办理银行账户业务。
A.正确
B.错误
[名词解释]产业结构政策
[单选题] 通过专用的遥控器外部控制盒操纵无人机的驾驶员称为[1分]
A.飞行员
B.起降驾驶员
C.飞行驾驶员
[判断题]对于中止犯,没有造成损害的,应当从轻处罚。 ( )
[单项选择]I didn't help him. I would have however didn't have the money.
A. or
B. but
C. otherwise
D. still
[判断题]抵押权人在签订抵押合同时,可以与抵押人约定债务人不履行到期债务时抵押财产归债权人所有。()
A.正确
B.错误
[单选题]按照《国家发展改革委国家能源局关于全面提升“获得电力”服务水平持续优化用电营商环境的意见》(发改能源规〔2020〕1479号)规定,2020年供电企业办理高压双电源用电报装的设计审查环节时限目标是(____)个工作日。
A.1
B.2
C.3
D.5
[单项选择]29岁,结婚3年不孕,月经周期24~25天,经期3~5天。盆腔检查正常,连测3个周期,BBT双相,高温相持续9~10天。诊为()
A. 无排卵型月经
B. 正常月经
C. 黄体发育不全
D. 黄体萎缩不全
E. 子宫内膜结核
[单选题]中国人民政治协商会议的议事原则是( )
A.民主协商
B.协商一致
C.合议制
D.少数服从多数
[单项选择]男,18岁,学习成绩一贯优良,品德良好。因将参加高考,半年来经常学习到深夜,但学习成绩明显下降,且变得孤僻不与人交往,对父母态度冷漠,有时可见自语自笑。诉压力太大,脑子空白,听不懂课,记忆力差。最可能的诊断是()。
A. 焦虑症
B. 抑郁症
C. 精神分裂症
D. 神经衰弱
E. 应激相关障碍
[单选题]智家工程师进行上杆作业时,上杆后要先进行的工作是:
A. 戴好安全帽
B.系帽绳
C.穿绝缘鞋
D.验电
[判断题]紧固标记的要求为沿螺母、平垫圈、弹簧垫圈(锁边垫圈)的平面用记号笔标上平直连续粗细一致的直线。 ( )
A.正确
B.错误
[多选题]蛋白泡沫不宜扑救( )火灾。 ( )
A.汽油
B.柴油
C.醇
D.醚
E.酮
[单选题]维修人员及携带物品接触网设备带电部分不得少于( )
A.2M
B.3M
C.1M
D.4M
[多选题]发现()、()及()或()等影响行车安全时,司机立即采取紧急停车措施
A.线路
B.弓网故障
C.其它轨旁设备损坏
D.超限
[判断题]安装带传动机构的V带轮必须使主、从动轮的轮槽处于同一中心线相互平行( )
A.正确
B.错误
[单选题]测量电容式电流互感器末屏绝缘电阻例行试验时,宜采用( )V绝缘电阻表。
A.500
B.5000
C.1000
D.2500

我来回答:

购买搜题卡查看答案
[会员特权] 开通VIP, 查看 全部题目答案
[会员特权] 享免全部广告特权
推荐91天
¥36.8
¥80元
31天
¥20.8
¥40元
365天
¥88.8
¥188元
请选择支付方式
  • 微信支付
  • 支付宝支付
点击支付即表示同意并接受了《购买须知》
立即支付 系统将自动为您注册账号
请使用微信扫码支付

订单号:

截图扫码使用小程序[完全免费查看答案]
请不要关闭本页面,支付完成后请点击【支付完成】按钮
恭喜您,购买搜题卡成功
重要提示:请拍照或截图保存账号密码!
我要搜题网官网:https://www.woyaosouti.com
我已记住账号密码