【单选题】Although data ______ will no doubt be safe for many years, there is no substitute for the real thing if you have to produce the document in a court of law 15 years from first filing it.
【单选题】Section B Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C and D. You shoul...
A.
affordable printers make it possible for anyone to forge documents
B.
the American Secret Service will be able to trace any document
C.
every printed document will be secretly marked out through high-tech
D.
counterfeiters have more advanced technology to use