皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【简答题】
Given the advantages of electronic money, you might think that we would move quickly to the cashless society in which all payments are made electronically. 1 a true cashless society is probably not around the corner. Indeed, predictions have been 2 for two decades but have not yet come to fruition. For example, Business Week predicted in 1975 that electronic means of payment would soon "revolutionize the very 3 of money itself," only to 4 itself several years later. Why has the movement to a cashless society been so 5 in coming? Although electronic means of payment may be more efficient than a payments system based on paper, several factors work 6 the disappearance of the paper system. First, it is very 7 to set up the computer, card reader, and telecornmunications networks necessary to make electronic money the 8 form. of payment Second, paper checks have the advantage that they 9 receipts, something thai many consumers are unwilling to 10 . Third, the use of paper checks gives consumers several days of "float" - it takes several days 11 a check is cashed and funds are 12 from the issuer&39;s account, which means that the writer of the check can cam interest on the funds in the meantime. 13 electronic payments arc immediate, they eliminate the float for the consumer. Fourth, electronic means of payment may 14 security and privacy concerns. We often hear media reports that an unauthorized hacker has been able to access a computer database and to alter information 15 there. The fact that this is not an 16 occurrence means that dishonest persons might be able to access bank accounts in electronic payments systems and 17 from someone else&39;s accounts. The 18 of this type of fraud is no easy task, and a new field of computer science is developing to 19 security issues. A further concern is that the use of e lectronic means of payment leaves an electronic 20 that contains a large amount of personal data. There are concerns that government, employers, and marketers might be able to access these data, thereby violating our privacy. 1 A.However B.Moreover C.Therefore D.Otherwise 2A.off B.back C.over D.around 7A.imaginative B.expensive C.sensitive D.productive 8A.similar B.original C.temporary D.dominant 9A.collect B.provide C.copy D.print 10A.give up B.take over C.bring back D.pass down 11A.before B.after C.since D.when 12A.kept B.borrowed C.released D.withdrawn 13A.Unless B.Until C.Because D.Though 14A.hide B.express C.raise D.ease 16A.unsafe B.unnatural C.uncommon D.unclear 17A.steal B.choose C.benefit D.return 18A.consideration B.prevention C.manipulation D.justification 6A.for B.against C.with D.on 20A.chunk B.chip C.path D.trail 15A.analyzed B.shared C.stored D.displayed 3A.power B.concept C.history D.role 19A.cope with B.fight against C.adapt to D.call for 5A.silent B.sudden C.slow D.steady 4A.reward B.resist C.resume D.reverse
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【简答题】5月31日是世界无烟日,据统计我国80%的网民主张在任何室内公共场所都应禁止吸烟,请写出一种香烟烟气中的有害物质.并从健康和安全的角度谈一谈吸烟的危害。  ______________________。
【单选题】患者女性,28岁,怕热、多汗、林重下降3个月,双手有细颤,突眼不明显,甲状腺II度弥漫性肿大、质地软、有血管杂音,心率108次/分,两肺呼吸音清,考虑为Graves病。为明确诊断,首先要检查
A.
甲状腺摄碘率
B.
血TSH、FT3、FT4
C.
抗甲状腺抗体TG-Ab、T0P-Ab
D.
甲状腺B型超声
E.
甲状腺放射性核素扫描
【简答题】遗传学的研究知道,家兔的毛色是受A、a和B、b两对等位基因控制的。其中,基因A决定黑色素的形成;基因B决定黑色素在毛皮内的分布;没有黑色素的存在,就谈不上黑色素的分布。这两对基因分别位于两对同源染色体上。育种工作者选用野生纯合子的家兔进行了如下图的杂交实验:(黑色兔子是因为形成的黑色素没有在毛体内分布造成的) 请分析上述杂交实验图解,回答下列问题: (1)控制家兔毛色的两对基因在遗传方式上____...
【多选题】下列属于阿司匹林理化性质的是
A.
可与碱中和反应
B.
能形成分子内氢键
C.
遇三氯化铁显色
D.
可水解反应
E.
在酸性条件下易解离
【单选题】5月31日是世界无烟日,今年的口号是“生命与烟草的对抗”。香烟燃烧产生烟尘、尼古丁、焦油、CO等多种有害物质,青少年朋友要远离烟草,养成良好的生活习惯。下列有关说法正确的是(  )
A.
香烟装有过滤嘴,所以吸烟对人体无害
B.
香烟烟气中只有尼古丁有毒
C.
香烟烟气中的CO比O 2 更容易与血红蛋白结合
D.
吸烟只影响自己的健康,不影响他人健康
【多选题】下列属于阿司匹林理化性质的是
A.
可与碱中和反应
B.
可水解反应
C.
能形成分子内氢键
D.
在酸性条件下易解离
E.
遇三氯化铁显色
【单选题】决定家兔毛色的基因白色(H)对黑色(h)是显性的。一对白毛家兔生了一只黑毛家兔,这对白毛家兔的基因组成是    (   )
A.
HH和HH
B.
Hh和Hh
C.
Hh和hh
D.
hh和hh
【单选题】美国哪位总统被称之为潇洒的总统()
A.
克林顿
B.
奥巴马
C.
D.
【单选题】怕热、多汗、林重下降3个月,双手有细颤,突眼不明显,甲状腺II度弥漫性肿大、质地软、有血管杂音,心率108次/分,两肺呼吸音清,考虑为Graves病。为明确诊断,首先要检查
A.
甲状腺摄碘率
B.
血TSH、FT3、FT4
C.
抗甲状腺抗体TG-Ab、T0P-Ab
D.
甲状腺B型超声
E.
甲状腺放射性核素扫描
【简答题】利用IEL检索题名中含有“物联网与智慧城市”方面的文献(2011-2017),检索结果中包括全文和元数据。写出检索表达式和各类文献及数量。
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题