【单选题】Notices to Mariners are published .
【单选题】双击工序导航器—几何中的坐标图标 ,将对 ( )设置。
【简答题】Is this syllogism valid or invalid?
All published authors are writers.
Some writers are professors.
Therefore, some professors are published authors.A. Valid B. Invalid
【单选题】Navigational Warnings are published according to
D.
all area over the world
【单选题】Is this syllogism valid or invalid? All published authors are writers. Some writers are professors. Therefore, some professors are published authors.