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听力文本：
AT&T plans to spend 18 billion dollars in 2010 upgrading its wireless networks to handle the increasing amount of new traffic.
AT&T计划于2010年投资180亿美元，用来升级无线网络，以满足不断增加的通信需求。
There is roughly 2 billion dollars more than the company had invested in the previous year.
相比去年，今年的投资增加了接近20亿美元。
Specifically, AT&T will add 2,000 new cell sites and upgrade existing cell sites with three times more fiber links than it had in 2009.
具体来说，AT&T将新建2000座中继站，并对现有中继站进行升级，升级后的中继站光纤线路数量相较2009年将增加三倍。
This will increase capacity to connect the cell tower to AT&T's main network.
这将大大提升中继站与AT&T主通信网络之间的连接强度。
AT&T, which is the only wireless operator in the U.S. selling the iPhone, has been the target of much criticism over this past year,
AT&T是唯一与苹果公司合作的无线通信运营商。在过去的一年中它饱受苹果手机用户指责，
as many iPhone subscribers, particularly in densely populated urban areas, have complained about dropped calls, slow Internet access, and poor service.
尤其是居住在人口密集的城市的用户，他们反应的问题包括电话断线、联网困难、通信质量差等。
Some critics claimed the company has not been spending enough on network upgrades to keep up with the growing demand.
一些人谴责AT&T没有投入足够的资金进行网络系统升级，因此无法满足日益增长的需求。
AT&T has acknowledged that it has faced some difficulties, particularly in big cities. But the company is "closing the gap".
AT&T作出回应，称其的确遇到了一些难题，大城市中尤为明显，但公司正在尽力补救。
Question 1.For what purpose will the AT&T's 18 billion dollars mainly be used?
1.AT&T的180亿美元将主要作何用途？
Question 2.Where does AT&T face difficulties?
2.AT&T在哪方面面临难题？
译文属可可原创，仅供学习和交流使用，未经允许不得转载
