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Although air travel comes with jet lag, ...

    Although air travel comes with jet lag, delays and awful food, it offers a brief digital detox—a precious few hours away from the wave of emails, messages and app announcements. But not anymore, In flight Wi-Fi is getting faster and cheaper, and is an increasingly common offering on budget and flagship airlines.

But how does in-flight Wi-Fi actually work? To simplify, there are two ways for an internet signal to reach your device when you’re up in the clouds. The first is via ground based mobile broadband towers, which send signals up to the aircraft’s antennas (天线). As you travel into different sections of airspace, the plane automatically connects to signals from the nearest tower, so there is (in theory at least) no interruption to your Internet. But if you’re passing over large areas of water or particularly remote zones, connectivity can be an issue.

The second method uses satellite technology. Planes connect to satellites in space (35,000 km above the planet), which send and receive signals via receivers and transmitters. Information is transmitted to and from your smart phone via an antenna on the top of the aircraft. These are the same satellites that are used in television signals and weather forecasting. Information is passed between the ground and the plane via the satellite.

All of that technology is expensive. The costs are usually passed on to customers. Over half of the world’s aircraft will be equipped with in-flight Wi-Fi within the next few years. It is set to become a billion-dollar industry by 2020. In the near future you’ll need to find a better excuse than “Sorry I missed your message—I was on a plane”.

1.What sends signals up to the aircraft’s antennas?

A.Internet companies. B.Ground-based receivers.

C.Budget and flagship airlines. D.Ground-based mobile broadband towers.

2.Who will pay for the in-flight Wi-Fi technology in the end?

A.Aircraft passengers. B.Satellite company.

C.Broadband towers. D.The local government.

3.What can we infer about in-flight Wi-Fi from the last paragraph?

A.It serves every customer. B.It has a bright future.

C.It develops very slow. D.It’s a high-tech industry.

4.What is the best title for the text?

A.How to Use In-flight Wi-Fi? B.Why Only Some Airlines Have In-flight Wi-Fi?

C.Why Is In-flight Wi-Fi Expensive? D.How Wi-Fi Works on a Plane?

 

1.D 2.A 3.B 4.D 【解析】 这是一篇说明文。飞机上的Wi-Fi越来越快,越来越便宜,越来越多的廉价航空公司和旗舰航空公司都提供这种服务。但是飞机上的Wi-Fi是如何工作的呢?文章主要就飞机上的Wi-Fi是如何工作的展开说明,指出飞机乘客会为机上Wi-Fi技术买单,且这项技术未来很有前景。 1. 细节理解题。根据第二段中The first is via ground based mobile broadband towers, which send signals up to the aircraft’s antennas (天线).可知第一种是通过地面移动宽带发射塔,将信号发送到飞机的天线上。由此可知,是地面移动宽带塔向飞机的天线发送信号。故选D。 2. 细节理解题。根据最后一段中All of that technology is expensive. The costs are usually passed on to customers.可知所有这些技术都很昂贵。成本通常转嫁给乘客。由此可知,最终飞机乘客会为机上Wi-Fi技术买单。故选A。 3. 推理判断题。根据最后一段中Over half of the world’s aircraft will be equipped with in-flight Wi-Fi within the next few years. It is set to become a billion-dollar industry by 2020.可知未来几年内,世界上超过一半的飞机将配备空中Wi-Fi。到2020年,它将成为一个价值十亿美元的产业。由此可推知,飞机上的Wi-Fi未来很有前景。故选B。 4. 主旨大意题。根据第二段中But how does in-flight Wi-Fi actually work? To simplify, there are two ways for an internet signal to reach your device when you’re up in the clouds.可知但是飞机上的Wi-Fi是如何工作的呢?简单地说,当你在云端时,有两种方式可以让互联网信号到达你的设备。结合文章主要说明了飞机上的Wi-Fi越来越快,越来越便宜,越来越多的廉价航空公司和旗舰航空公司都提供这种服务。但是飞机上的Wi-Fi是如何工作的呢?文章主要就飞机上的Wi-Fi是如何工作的展开说明,指出飞机乘客会为机上Wi-Fi技术买单,且这项技术未来很有前景。由此可知,D选项“Wi-Fi在飞机上是如何工作的?”最符合文章标题。故选D。
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