题目

综合填空： What do you usually use mobile phones for? Sending text messages for fun? Playing games? Well, mobile phone can do f___1____ more than that. D___2___ this year’s Asian tsunami （海啸）, mobile phones saved many l___3____. More than 10000 international phones were w___4___ when the tsunami hit. Police sent text messages to them and found more than 2000. But how? People f___5___ the signal and found out w___6___ the tourists were. So, how can s___7___ so small be so smart? Well, here’s how! When you turn the phone on, it tries to find a signal. This signal. This si对美国“硅谷”的早期崛起起了关键性作用的高等院校是(    )A．哈佛大学B．麻省理工学院C．纽约大学D．斯坦福大学