根据下面材料，回答题The idea came to Nathan Eagle, a research scientist with the-考呗网题库移动版

单选题根据下面材料，回答题The idea came to Nathan Eagle, a research scientist with the Massachusetts Institute of Technology, when he was doing a teaching stint in rural Kenya. He realised that, as three-quarters of the 4.6 billion mobile-phone users worldwide live in developing countries, a useful piece of technology is now being placed in the hands of a large number of people who might be keen to use their devices to make some money. ① To help them do so, he came up with a service called txteagle which distributes small jobs via text messaging in return for small payments.
Only 18% of people in the developing world have access to the Internet, but more than 50% owned a mobile-phone handset at the end of 2009 ( a number which has more than doubled since 2005 ) , according to the International Telecommunication Union. One study shows that adding ten mobile phones per 100 people in atypical developing country boosts growth in GDP per person by 0.8 percentage points.
Mr. Eagle hopes txteagle will do its bit by mobile “crowdsourcing”—breaking down jobs into small tasks and sending them to lots of individuals. These jobs often involve local knowledge and range from things like checking what street signs say in rural Sudan for a satellite-navigation service to translating words into a Kenyan dialect for companies trying to spread their marketing. ② A woman living in rural Brazil or India may have limited access to work, adds Mr. Eagle, “but she can still use her mobile phone to collect local price and product data or even complete market-research surveys.” Payments are transferred to a user's phone by a mobile money service, such as the M-PESA system run by Safaricom in Africa, or by providing additional calling credit.
Working with over 220 mobile operators, txteagle is able to reach 2 billion subscribers in 80 countries. It already has the largest contract-labour force in Kenya and new ways of using it are being found all the time．Recently a large media firm asked Mr. Eagle for help in monitoring its television commercials across Africa. The company was concerned that, although it had paid for broadcasting rights, its ads could be replaced with others by local television companies. So txteagle pays locals to watch and then text notes about which ads are shown．“I would never think of that myself,” says Mr. Eagle. Which is why he is not sure just how big all these small text jobs could become.
The one who is most likely to use txteagle is __________．

A． an aggressive man aiming to make a fortune
B． a young mother who is busy with housework
C． a poor man who has just lost his job
D． a rich man who idles around the whole day

参考答案C

解析:文章大意
本文介绍了一项新的手机服务txteagle。开篇介绍Nathan Eagle推出txteagle这项服务的缘由，第二段简要介绍手机用户数量，接着第三段介绍txteagle业务的经营模式以及得到报酬的方式，末段概述txteagle业务的运营情况以及发展势头。
长难句注释
1．He realised that，as three-quarters of the 4．6 billionmobile-phone users worldwide live in developing countries，a useful piece of technology is now being placed in the hands of alarge number of people who might be keen to use their devices to make somemoney．
【分析】本句为主从复合句，主句主干结构为He realised that…。that引导宾语从句，宾语从句的主干结构a useful piece of technology is now being placed in the hands，as three-quarters of the 4．6 billionmobile-phone users worldwide live in developing countries是宾语从句中的原因状语从句；who might be keen to use their devices to make some money是a large number of people的定语从句。
【译文】他意识到，全世界46亿手机用户中有四分之三的用户生活在发展中国家，因而一项实用技术此刻正掌握在大量或许渴望用自己手机赚钱的人手中。
2．These jobs often involvelocal knowledge and range from things like checking what street signs say inrural Sudan for a satellite-navigation service to translating words into aKenyan dialect

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单选题Which of the following tasks of txteagle is NOT mentioned in the passage?

A． Making a surve
B． Collecting pape
C． Gathering dat
D． Doing translatio

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单选题Mr. Eagle is uncertain about the future of txteagle because __________．

A． unexpected ways of using it emerge continuously
B． the contract-labour force is constantly increasing
C． there are more and more mobile-phone users
D． various companies are interested in the service

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单选题The passage aims to __________．

A． illustrate how people can make small money
B． show why txteagle becomes so popular
C． present the prospect of a new service
D． introduce a way to earn money by texting

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