Computers will flourish because they enable us to accomplish tasks that could never before have been undertaken.
A: implement
B: B. render
C: C. assign
D: D. complete
A: implement
B: B. render
C: C. assign
D: D. complete
举一反三
- ______ so many people put of work as today. A: Before have never there been B: There have been never before C: Never before have there been D: Have there never before been
- According to the author, the introduction of the computer is a revolution mainly because ______. A: the computer has revolutionized the workings of human mind B: the computer can perform the tasks that could only be done by humans before C: computers have helped to switch to an information technology D: computers have a great impact on society
- What tasks can computers programmed with smart strategies accomplish?
- Never before _______ so many restaurants offering food delivery. A: there are B: there have been C: were there D: have there been
- 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