第7套
A digital wallet is (1) that enables users to pay for goods on the  web.It holds credit card numbers and other (2) such as shipping  address. Once entered, the data automatic ally populates order  fields at merchant sites. When using a digital wallet,consumers don’ t need to fill out order forms on each site when they purchase an  item because the information has already been (3) and is  automatically (4) and entered into the order fields across merchant  sites.Consumers also benefit when using digital wallets because  their information is (5) or protechted a private software code.And  merchants benefit by receiving protection against fraud. 
(1) A.software  B.hardware C. device  D.document 
(2) A.cards    B.secrets  C.public information D.person information 
(3) A.distributed B. stored C.addressed  D.registered 
(4) A.coded      B.updated C.corrected  D.named 
(5) A.encrypted  B.updated C.secured    D.undiscovered 
答案:1:A,2:D,3:B,4:B,5:A