学进去

Traditionally, we take the subway with our subway cards or ________ using QR codes(二维码) on our smartphones. But now, people traveling on the Beijing Daxing Airport Express subway have ________ new way to take a ride—they can scan the palms(扫描手掌).

To enjoy the service, people need to record their palm on machines in subway stations. Then, they have to turn on the palm-scanning function(功能) on their smartphones. Once they do this, they are ________ to go through the ticket gates without subway cards or smartphones. ________ they finish the travel, their smartphones will pay the money for their ride.

Many people welcome the new technology. They think it helps ________ to travel faster and more easily. They ________ take out their subway cards or smartphones in rush hours. What’s more, the palm-scanning technology is very ________ to people who sometimes forget to bring their subway cards. If the battery(电池) of your phone ________ out, your palms can get you into the subway station. Besides Beijing, some other ________ like Shenzhen also put the new technology into use in service in the subway station. Although we ________ use palm-scanning in other fields(领域) now, I believe it will be widely used in the near future, like paying in the supermarket or restaurant.