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2015年全国职称英语考试于3月28日(9：00-11：00)举行。针对考后考生最关注的2015职称英语考试真题及答案解析问题，英语网在考后第一时间为您整理发布2015职称英语考试真题及答案解析：理工类。预祝各位考生顺利通过2015职称英语考试! 下面的短文后有2项测试任务：（1）第2326题要求从所给的6个选项中为指定段落每段选择1个标题；（2）第2730题要求从所给的6个选项中为每个句子确定一个最佳选项。（第2330题，每题1分，共8分） 1）New research published today in the journal Nature Communications,has demonstrated how glass can be manipulated to create a material that will allow computers to transfer information using light.This development could significantly increase computer processing speeds and power in the future 2）The research by the University of Surrey,in collaboration with the University of Cambridge and the University of Southampton,has found it is possible to change the electronic properties of amorphous chalcogenides,a glass material integral to data technologies such as CDs and DVDs.By using a technique called ion doping,the team of researchers have discovered a material that could use light to bring together different computing functions into one component,leading to all-optical systems. 3）Computers currently use electrons to transfer information and process applications.On the other hand,data sources such as the internet rely on optical systems； the transfer of information using light.Optical fibres are used to send information around the world at the speed of light,but these signals then have to be converted to electrical signalsonce they reach a computer,causing a significant slowdown in processing. | 
