14-冲刺2023年中考英语首字母填空临考押题（上海专用）

冲刺2023年中考英语首字母填空临考押题（上海专用）14 （一） If you look around the room you are in right now, you’ll probably notice a number of electronics. But can you imagine if they all had to be joined together by wires? Picture the wire snaking along the floor, for example, from your smartphone to your speaker, or connecting your game controller to the computer screen, meaning you could n____1____ sit more than a couple of meters away from it. A world of electronics connected by wires wouldn’t just be untidy, but a possible danger, too. That’s where Bluetooth comes in. We’ve all heard of it — but what e____2____ is it? Bluetooth is a method of short-distance wireless communication between electronics that makes use of the power of radio waves. The idea was first thought of by Dr. Janp Haartsen at Swedish mobile company Ericsson in 1994. Things really stepped up in September 1998 when the Bluetooth Special Interest Group（SIG） was set up to develop and s____3____ the technology. Bluetooth 1.0 came out in 1999, and a year later it began to be used in mobile phones and desktop computers. Now Bluetooth has become an increasingly p____4____ way of solving the problem of more and more electronics needing to be connected. without having to connect everything together with wires. But if you look at the remote control（温控器） you use to choose the program on TV, you might rightly ask y____5____ why Bluetooth was such a big deal. After all, connecting objects with infrared signals（红外信号） which can’t be seen had been done before. The problem with remote controls is that they need to keep what is called “line of sight”. If something is standing between the remote control and receiver, it won’t w____6____. Because Bluetooth uses radio waves, the things standing in the way are no longer a problem. Since its creation in the late 1990s, the technology has become more and more improved and w____7____ used, with the 4 billionth Bluetooth objects shipped in 2020. （326词） 答案：1.never 2.exactly 3.spread 4.popula