【简答题】The engineering of a class concept represents A. a new design concept with which a new hardware system can be built by using(or modifying)off-the shelf Ics B. a new design concept with which a new sof...
【单选题】听力原文:You can now buy Microsoft's new operating system Vista.The Windows software went on sale in 70 countries today. Microsoft says Vista is such a huge improvement that users will inevitably say 'wow...