D
Nowadays, there are lots of unmanned convenience stores(无人便利店).
There's no shop assistant in the unmanned convenience stores and shoppers must scan a QR code(扫描二维码)on the door to get in. Then 11.
C
It means the next shopper has to scan the code to get in too.
After choosing the things, shoppers can scan the price of each thing at the electronic check - out area. Once the shopper has paid, 12.
D
You can also walk around the store without buying anything. Scanning the QR code on the wall beside the door will make the locked door open. But 13.
A
, an alarm is triggered(触发)at the door.
Although it is not large, 14.
E
. Also, the things are cheaper than those in other convenience stores. However, 15.
B
, because they are not used to making mobile(移动)payments.
The unmanned convenience store costs less to build and run. For now, such stores are mainly in rich neighbourhoods that are closed or semi - closed.
根据短文内容,从所给选项中选出能够填入空白处的最佳选项。(有一项多余)
A. if someone tries to leave without paying
B. it may not win the hearts of some people
C. the door locks once the shopper enters
D. he or she can leave the store
E. the store has many kinds of things to choose
F. it is popular with all the young people
11. ______ 12. ______ 13. ______ 14. ______ 15. ______