题干

阅读张伟的《移动支付新方式》一文,完成下列小题。

      ①互联网时代,效率要求被无限提高,安全更是不可忽视的需求,尤其是在网络支付方面。现在,在线支付和移动支付逐渐被越来越多的消费者所接受,现有的保障手段已经远远不够。因此,掌握和引领未来网络支付潮流的互联网巨头们,把目光转向了新的保障手段,比如指纹支付、A、B、C、D等。与传统的输入密码相比,新的支付方式操作更方便,安全性也更高。

      ②对于指纹的应用,古老而新鲜:一方面,摁指纹在中国很早就被用作许可、同意、授权的凭证;另一方面,指纹解锁已经被广泛应用于智能手机的身份识别,苹果公司之前用iPhone5s手机引领了这一酷炫的设计。此外,在移动支付方面,继支付宝钱包、京东钱包启用指纹支付之后,近日,微信6.2版本也推出了指纹支付功能。用户在微信中开通指纹支付功能,下单后进入支付流程,根据界面提示将手指置于手机指纹识别区,仅用几秒便可完成支付。据介绍,微信指纹支付支持iOS8.0以上系统使用,安卓系统现仅华为mate7手机支持使用,后续将陆续支持其他机型手机。

      ③相比指纹,掌纹识别的应用是近些年才提出的概念。掌纹的形态由遗传基因控制,即使由于某种原因表皮剥落,新生的掌纹纹线仍保持着原来的结构。每个人的掌纹纹线都不一样,即使是孪生同胞,他们的掌纹也只是比较相似,而不会完全一样。因此,从理论上看,掌纹识别比指纹识别安全性更高,也越来越受到重视。

      ④2014年4月,瑞典隆德大学研究生弗雷德里克•雷夫兰德把掌纹支付变成了现实。他开发的掌纹支付技术无需智能手机、NFC芯片和应用程序便能实现支付。用户需先输入手机号码的最后4位,然后将手放在扫描仪上,接着就会从用户的银行账户扣除相应的金额。目前,他创立的公司已在当地的咖啡店和商铺中成功安装掌纹识别付款系统。

      ⑤除了指纹、掌纹,每个人的虹膜也是独一无二的。虹膜是位于眼睛黑色瞳孔和白色巩膜之间的圆环状部分,由相当复杂的纤维组织构成,包含很多相互交错的类似于斑点、细丝、条纹、隐窝等细节特征,这些特征在人出生前就以随机组合的方式确定下来了,一旦形成终生不变。虹膜识别的准确性是各种生物识别技术中最高的,所以使用虹膜识别技术进行授权在安全性方面无疑更具优势。

      ⑥2015年5月,富士通推出了全球首款搭载虹膜识别技术的智能手机Arrows NX F-04G。这款智能手机所搭载的虹膜识别技术通过凝视屏幕即可自动解锁,或是进行手机支付以及登录网页。

      ⑦相比以上技术,声纹识别也具有特殊的优势。首先,声纹特征的获取比较方便、自然,语音的识别成本也很低廉;其次,声纹识别使用简单,除了麦克风无需额外的录音设备,声纹辨认和确认的算法复杂度低,配合一些其他措施,如通过语音识别进行内容鉴别等,声纹识别的准确率可提升到极高程度。据悉,百度钱包正在研发声纹识别技术,用户在购物后,即可用声纹验证的方式取代传统密码完成支付。

      ⑧前段时间,在德国汉诺威消费电子、信息及通信博览会上,马云当着德国总理默克尔的面在网站上购买了一枚纪念邮票,令人吃惊的是,他竟然用自己的脸付了账。面部识别技术因此瞬间爆红,让人感觉“刷脸”的时代即将来临。

上一题 下一题 0.0难度 选择题 更新时间:2017-12-30 09:16:22

答案(点此获取答案解析)

同类题5

阅读下面短文,掌握大意,然后从1-20各题所给的四个选项(A、B、C和D)中,选出最佳答案。

        My husband, Bob, died in January 2004. His death was unexpected as well. I 1 condolences(哀悼)from people I hadn't heard from in years: letters, cards, flowers, calls, and visits. I took a bad knock with 2. I was so struggling to3the whys and hows of this terrible thing that had happened to my family, knowing in my heart that there really were no 4. It's just all so sad.

        One message5me deeply. I received a letter from my best friend from sixth6 through high school. We had drifted somewhat since 7 in 1959, as she stayed in our home town and I did not. 8 it was the kind of friendship that could quickly resume even if we9touch for five or ten years.

        Her husband, Peter, had died perhaps 20 years ago at a young age, 10her with deep sorrow and heavy 11: finding a job and raising three young children. She and Pete, 12 Bob and I, had shared one of those rare, close, "love-of-your-life-you-can-never-forget" 13.

        In her letter she 14 an anecdote about my mother who had passed away years ago. She wrote, "When Pete died, your dear mother 15me and said, 'Trudy, I don't know what to say...so I'll just say I love you.'"

        She closed her letter to me repeating my mother's words of so long16, "Bonnie, I don't know what to say...so I'll just say I love you."

        I felt I 17 almost hear my mother speaking to me now. What a 18 message of sympathy! How dear of my friend to cherish it all those years and then 19 it on to me.I love you. 20 words. A gift. A legacy(遗赠物).