If the personal computer had not been invented, will the information age have arrivied by other means?
A: 正确
B: 错误
A: 正确
B: 错误
举一反三
- If computers ______, many problems on space flight could not have been solved. A: had not been invented B: are not invented C: were not invented D: have not invented
- ICs have been regarded as the most important invention in the Information Age for a long time.
- Had I know about this computer program, a huge amount of time and energy_______. A: would have been saved B: had been saved C: will be saved D: was saved
- New media enable people to __________. A: transmit information B: share personal experience C: have a discussion with other people D: All of the above
- In this digital age, the way we communicate, access and share information, enjoy entertainment and do shopping have been totally _________ and reshaped.