Is the thistle the national emblem of Scotland?-общий
What is the national emblem of Scotland?- спец. к подлежащему
What country*s emblem is the thistle?- спец. к дополнению
Is the thistle or a rose the national emblem of Scotland?- альтернативный
The thistle is the national emblem of Scotland, isn*t it?- разделительный
