huahua - 2008-3-19 10:49:00
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