B2 First Use of English Part 3 Practice

The future of grocery shopping changed in Canada last Monday when one of the largest supermarket chains in the country offered fingerprint (0)………………..(IDENTIFY) as a method

as a method of (1)………………..(PAY) for the first time in its stores.

Before launching the new system, they carried out an (2)………………..(OPINE) survey among their regular customers to measure their interest in this new technology.

In only 48 hours over 200 applications to use the system were received at the supermarket’s headquarters. In order to use this method as an (3)………………..(ALTERNATE) to card or cash

(4)……………….. (SHOP) had their fingerprints previously registered on a secure database.

Based on the fingerprint´s (5)………………..(MEASURE) , the system generates an encrypted number that is then linked to the customer’s identity and bank details.

the system generates an encrypted number that is then linked to the customer’s identity and bank details. This code is (6)………………..(DECIPHER) except by authorized users.

To pay for their shopping, customers only have to place their fingerprint on a reader, which compares the scanned image to the information in the database and either approves or declines the (7)………………..(TRANSACT) .

This process only takes a few seconds. The innovative system has quickly gained (8)……………….(POPULAR). among customers who enjoy carrying nothing with them but their own hands when they go shopping. They seem to be convinced of the safety of the system as the chances are one in 250 million that two people have the same fingerprint.