2014
高考英语阅读理解抓分练习精品(44)及答案 第三部分.阅读理解 (共15小题 每题2分 共30分) a a mobile phone is in fact a small radio. a radio sends a person’s voice over a long way to another radio. a voice that is sent by a radio is called a signal. a radio signal travels very quickly. only a few years ago, mobile phones were large. they needed large batteries. they had to