All maintenance workers must be skilled in a variety ______maintenance tasks,
A: of
B: from
A: of
B: from
举一反三
- Maintenance workers should also possess communication skills.
- Maintenance means to control the timing of equipment maintenance.That is to say, the timing of maintenance is achieved through the use of different maintenance methods.Currently, there are three maintenance methods, which are: A: Periodic maintenance B: On-condition maintenance C: Random maintenance D: Breakdown Maintenance
- They think that the shortage of skilled workers result from .
- Which of the following maintenance is to improve the performance of the software product? A: perfective maintenance B: adaptive maintenance C: corrective maintenance D: none of the above
- Which of the following statements about maintenance is incorrect? ________以下关于维护的描述哪个是不对的？ _____ A: Most of the time, maintainers suffer from the mistakes made by developers. B: Post-delivery maintenance is the most difficult of all aspects of software production. C: The less competent programmers can be qualified for maintenance. D: Post-delivery maintenance is surely necessary.