【母题来源】【2016·全国新课标II】
【母题原题】
【2016·全国新课标II】完形填空（共20小题；每小题1.5分，满分30分）
阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
Hundreds of people have formed impressions of you through that little device(装置)on your desk. And they’ve never actually 21 you. Everything they know about you 22 through this device, sometimes from hundreds of miles away. 23 they feel they can know you 24 from the sound of your voice. That’s how powerful the 25 is.
