热门试题:
[单选题] 海洋运输货物保险的基本险中,保险费率最高的是( )
A. 平安险
B.锈损险
C. 水渍险
D.一切险.
[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.
2._________
A.period
B.year
C.century
D.decade
[判断题]处在磁场中的铁芯都有涡流现象发生而使铁芯发热。( )
A.正确
B.错误
[多选题]’年版50元纸币通过技术创新,纸张()等性能均显著提高。
A.耐折度
B.撕裂度
C.抗脏污
[多项选择]职业性致癌物分为( )。
A. 标准致癌物
B. 一般致癌物
C. 确认致癌物
D. 可疑致癌物
E. 潜在致癌物
[单项选择]数据库用户一般有三大类,即______。
A. 计算机软件维护员、硬件维护员及操作员
B. 数据录入员、数据统计员及程序设计员
C. 数据采集员、数据处理员及数据分析员
D. 数据库管理员、终端用户及程序设计员
[多项选择]《浙江省农村信用社联合社科技信息应用项目立项审批管理办法》规定,属于B类项目的有()。
A. 个人理财管理系统
B. 影像管理系统
C. 网点自助系统前置
D. OCR系统
[单选题]媒体转码应用场景不包括()
A.电商视频;
B.视频网站;
C.线下教育;
D.电视传媒
E.略
F.略
G.略
[单项选择]下列有关我国现行税制结构的说法中,不正确的是()。
A. 以流转税和所得税并重为主体
B. 以消费税和营业税并重为主体
C. 社会主义市场经济要求税收分配有助于实现公平、平等,按能力负税的原则
D. 有多种税种为配合发挥作用
[单选题]接触网最低工作电压为( )。【铁路劳动安全】第5章
A.29kV
B.25kV
C.27.5kV
D.19kV
[简答题]综合险条款中,不能特约承保的财产是矿井(坑)内的设备和物资。( )
[单选题]按照规范,当人行横道达到()米时,就应在道路中央设置安全岛。
A.20
B.25
C.30
D.35
[单选题]起飞过程中,起落架控制手柄无法放到收上位。可能的原因:
A.起落架人工放口盖位置电门损坏
B.起落架控制手柄超控扳机在超控位
C.地面扰流板内锁活门故障
D.起落架选择活门在旁通位
[多项选择]“已熟型”水果指在采收时已经成熟,冰箱冷藏贮藏时最好先用纸包住,再装袋放入冰箱。以下属于“已熟型”水果的是()。
A. 葡萄
B. 苹果
C. 草莓
D. 猕猴桃
E. 香蕉
[单项选择]按照保险公司07年非车险承保政策,如果每个危险单位运输金额需要原油预约分保支持的,费率应控制在()以上,短量免赔率控制在()以上。()
A. 费率0.06%短量0.5%
B. 费率0.05%短量0.5%
C. 费率0.06%短量0.3%
D. 费率0.07%短量0.3%
[单选题]在从事10米处高空作业,属于___高处作业。
A.1级
B.2级
C.3级
D.4级或特级高处作业
[多选题]当验明确已无电压后,应立即将( )( )( )( )。工作地段各端和工作地段内有可能反送电的各分支线都应接地。
A.将检修的高压配电线路和设备接地并三相短路
B.电缆及电容器接地前应逐相充分放电
C.星形接线电容器的中性点应接地、串联电容器及与整组电容器脱离的电容器应逐个多次放电
D.装在绝缘支架上的电容器外壳也应放电
[单项选择]幽门梗阻患者术前准备中,错误的是()
A. 纠正低氯血症
B. 纠正低钠血症
C. 纠正低钾血症
D. 纠正代谢性碱中毒
E. 纠正缺水状态
[多项选择]下列哪些是弹簧圈类栓塞物质()
A. 不锈钢圈
B. NT海/球栓
C. 微型铂金丝圈
D. 微球
E. 明胶海绵
[单选题]当CRH1的M车的制动出现故障被隔离后,动车组将限速()运行。
A.150km/h
B.160km/h
C.180km/h
D.200km/h
[简答题]甲单位为一中央级事业单位,2018年2月,甲单位经领导班子研究决定,对外转让一项股权投资(该投资系以单位房屋出资取得)。该项股权投资账面成本为520万元(未达到资产处置规定限额),转让价款为600万元,财务处将取得的转让价款600万元作为单位自有资金处理。
[多选题]具有无级变速功能的传动系有( )
A.机械传动
B.液压传动
C.液力机械传动
D.电传动
[单选题]铁路桥梁、涵洞及隧道,均应修建为永久性结构,具有良好的(),符合工程结构抗震和相应的技术规范要求。
A.稳定性
B.平顺性
C.耐久性
D.坚固性
[单项选择]以下四种选定单元格区域的方法中,错误的是( )。
A. 单击选定区域的左上角单元格,再单击该区域的右下角单元格
B. 单击选定区域的左上角单元格,按住SHIFT键,再单击该区域的右下角单元格
C. 将鼠标指针指向选定区域的左上角单元格,拖动鼠标到该区域的右下角单元格
D. 在名字框中输入该单元格区域的名称或地址并按回车键
[判断题]变态心理学和精神病学一起作为科学逐步发展起来。( )
[单选题]党在社会主义初级阶段的基本路线是党和国家的生命线、人民的幸福线,也是党内政治生活正常开展
的()。
A.根本保证
B.前提条件
C.思想基础
D.基本原则
[判断题]美国总统布什全部实现六大教育目标的第一项就是有关幼儿教育的。
[简答题]目前福建省高速公路已修建了2700多公里。随着里程的不断扩大,一些管理单位效益却在逐步下降。请你结合所报考职位回答,应该怎么办
[单项选择]1mol葡萄糖经有氧氧化净得ATP与经酵解所得ATP数之比最接近于
A. 8:1
B. 15:1
C. 18:1
D. 24:1
E. 36:1
[单选题]120“半自动”缓解阀的功用是使制动机( )。
A.缓解
B.制动
C.保压
D.充气
[多选题]装配图中的技术要求是指用规定的符号或文字,说明机器或部件在( )及使用等方面的要求。
A.A、装配
B.B、调试
C.C、检验
D.D、安装
[单选题]成套接地线应由有透明护套的多股软铜线和专用线夹组成,截面积应满足装设地点短路电流的要求,但不得小于( )mm2。
A.15
B.20
C.25
D.28
[单项选择]下述适合放射治疗的是()。
A. 健康状况不佳,呈恶病质者
B. 癌性空洞
C. 合并高度肺气肿
D. 胸膜广泛转移
E. 中心型肺癌伴纵隔淋巴结受累
[单选题] 在所有党的纪律和规矩中,第一位的是( )。
A. 政治纪律和政治规矩
B. 工作纪律
C. 组织纪律
D. 生活纪律
[单项选择]
Apple computer introduced its pioneering, user-friendly Mackintosh computer in 1984. The "Mac" quickly became popular and appeared likely to (26) the field. But Apple officials were reluctant to (27) the Mac’s (28) system to other manufacturers and give up control of their project. Meanwhile, Microsoft developed the" Windows" system for rival IBM computers and (29) machines. Microsoft licensed its operating systems to whoever could pay the price, and its sales (30) . Later September Apple finally licensed the Mac technology. But by then, most computers were (31) to Windows and few customers signed (32) .
Our lives are a (33) of our decisions--whether in business or 15ersonal (34) . And in every decision, there comes a crucial point when you must make up your mind. Deciding too quickly can bring (35) consequences; (36) too long can mean missed opportunities. And everyday
A. inform
B. reform
C. conform
D. deform