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  3. After the earthquake, the text messages came streaming in to 4636 - reports of trapped people, fires, polluted water sources, an

After the earthquake, the text messages came streaming in to 4636 - reports of trapped people, fires, polluted water sources, an

admin2011-04-04  48
问题     After the earthquake, the text messages came streaming in to 4636 - reports of trapped people, fires, polluted water sources, and requests for food, water and medical supplies. Hundreds of volunteers translated them from Creole and French into English, tagged them with a location and passed them on to aid agencies on the ground. Yet not one of the volunteers was anywhere near Haiti.
    The 4636 texting service is part of a new generation of web-based efforts to help disaster relief that has emerged from the revolution in texting, social networking and crowdsourcing. Its impact on the ground is tangible (确凿的). For example, a Haitian clinic texted 4636 that it was running low on fuel for its generator. Within 20 minutes the Red Cross said it would resupply.
    4636 is run by a small organization called Ushahidi.com, originally set up in Kenya to gather reports of violence after the 2008 election. Within days of the earthquake on 12 January that flattened Haiti’s capital Port-au-Prince and numerous surrounding towns, it had set up a Haitian operation and recruited hundreds of volunteers to help translate messages, many of them Haitians living in the U.S. The service is free, courtesy of Digicell, Haiti’s largest mobile network operator, which had 70 per cent of its network running within 24 hours of the quake.
    Nicolas di Tada, who helped set up 4636 on the ground in the first days after the disaster, says that was the easy part. "The challenge was making responders on the ground aware of us." A stroke of luck made a big difference. One of the first texts was from a hospital which had 200 beds, and doctors, nurses and medical supplies on standby, but no patients, because hardly any relief agencies knew they were there. Forwarding that message on told a large number of organization about 4636. Now, radio stations help spread the word.
    As people generally don’t send messages to say their request has been fulfilled, Ushahidi has no way of knowing how successful it has been. Still, "the system is unprecedented," says Christopher Csikszentmihalyi, director of the Center for Future Civic Media at the Massachusetts Institute of Technology.
The example of a Haitian clinic receiving response from the Red Cross suggests that the 4636 texting service has ______.
选项
答案tangible impact
解析 由题干中的及物动词has可知，空所填词应为一名词(短语)。根据题干中的a Haitian clinic和the Red Cross定位到第二段后两句。阅读发现，这里所举事例是对第二句观点(Its impact on the ground is tangible)的进一步说明。题干中的4636 texting service has对应其中的its，故后面的impact即为has的宾语，因为此处强调的是4636中心“现实中的”作用，故不要忘记加上形容词tangible，故答案为tangible impact。
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