海淀区2015
高考英语阅读理解训练（1）（答案）《2015高考复习》阅读理解 when you're surfing the internet on your laptop from your dorm or home，do you know your personal details are being gathered secretly？and would you be surprised to know the information may be sold cheaply to advertisers and marketers? according to an investigation by the wall street journal，all it takes is a tiny file in a computer－a single code consisting of a long series of numbers and letters－to record the computer user's age，gender，location，favor
