This mode of typewriter is efficient, economical and (practice)_____for collegestudents.
举一反三
- practice on the ___________ A: illuminate B: interview C: master D: typewriter
- His efforts to improve the company have been very_____. A: efficient B: educational C: effective D: economical
- Creativity is characterized by _______. A: fluency of mental activity B: uniqueness of practice mode C: flexibility of thinking mode D: originality of thought and behavior
- 霍顿（F.W.Horton）提出的信息资源管理的“三E”目标是指（） A: 高效Efficient B: 实效Effective C: 经济Economical D: 优秀Excellent E: 电子Electronic
- The Three-Tier model of the database system is（）. A: Up mode, mode, Down mode B: Front mode, mode, Rear mode C: External mode, mode, internal mode D: Large mode, Medium mode, Small mode