The technology of 5G is the next great increase in speed for wireless (无线的) devices. It 【小题1】 (include) both the speed at which mobile users download something to their devices and the latency (等待时间) they experience between sending 【小题2】 receiving information.

5G aims to deliver data rates (数据速率) that are 10 to 100 times faster than present 4G networks. Users should expect 【小题3】 (see) download speeds in the order of gigabits per second (Gb/s), much 【小题4】 (great) than the tens of megabits per second (Mb/s) speeds of 4G. Mobile devices will be able to send and receive information in less than one-thousandth of a second, appearing to be happening 【小题5】 (instant) to the user. To reach these speeds, the 【小题6】 (introduce) of 5G requires new technology and systems.

“That’s important because it will enable new apps 【小题7】 are just not possible today,” said Harish Krishnaswamy, an expert on electrical engineering at Columbia University in New York. “【小题8】 example, at gigabits per second data rates, you could potentially download a movie to your phone or tablet in a matter of 【小题9】 (second). Those types of data rates could enable virtual reality apps or self-driving cars.”

Apart from 【小题10】 (require) high data rates, new technologies that communicate with the user’s environment like augmented reality or self-driving cars will also require extremely low latency. For that reason, the goal of 5G is to achieve latencies below the 1-millisecond mark.

Moving silently through Alibaba Group Holding Ltd’s “FlyZoo” hotel, black disc-shaped robots about a metre in height deliver food and drop off fresh towels.

The robots are part of a set of high-tech tools that Alibaba 【小题1】 (say) extremely cuts the hotel’s cost of human labour and removes the need for guests to interact 【小题2】 other people.

Inside the hotel, softly-lit white panelled walls bring to mind 【小题3】 insides of Hollywood spaceships. Guests check in at reception desks that scan 【小题4】 (they) faces, as well as passports or other ID. 【小题5】(visit) with a Chinese national ID can scan their faces using their smartphones to check in ahead of time.

At the hotel’s restaurant, taller capsule-shaped robots deliver food that guests 【小题6】 (order) via the FlyZoo app while at a separate bar, a large robotic arm can mix more than 20 different types of cocktails. Facial recognition cameras add charges to the room rate 【小题7】 (automatic).

The hotel does employ humans, 【小题8】 Alibaba refused to tell how many. This includes chefs and cleaners as well as reception staff, 【小题9】 will assist with conventional check-in procedures for guests unwilling to have their faces 【小题10】 (scan) and want to use electronic key cards.

A smart home is one that 【小题1】(integrate) computers into the structure of the buildings itself. You future home will learn your daily routine and 【小题2】(prefer) so everything will be ready for you. Lights will come on 【小题3】 instant you enter the door along with your favourite music or TV programmes. For 【小题4】(secure) reasons, your future home will switch off household appliances and detect anything abnormal. This smart technology is not a fantasy. Nevertheless, it will take some years 【小题5】 most new homes begin to use this new technology.