某种商品的需求弹性系数Ed=1表明该商品()。
A. 单位需求弹性
B. 需求缺乏弹性
C. 需求富有弹性
D. 没有弹性
What are some of the objectives of The Linux Foundation? Select all answers that apply.
A. To promote Linux and provide neutral collaboration and education
B. To improve Linux as a technical platform
C. To sponsor the work of Linus Torvalds
D. To manage Linux and UNIX servers on a commercial basis
What is the use of the Impress component in LibreOffice?
A. Word processing
B. Spreadsheets
Create and edit graphics and diagrams
D. Presentations
What is Ekiga used for?
A. To connect to VoIP
B. To access IRC
C. To connect to FTP Servers
D. To access GTalk
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