小题1:D
小题2:C
小题3:D
小题1:细节理解题,有文中语句“Our dreams often include all the senses—smells, sounds, sights, tastes and things we touch.”可知。
小题2:理解推断题,有文中语句推断可知。
小题3:细节理解题,有文中语句“Scientists believe it is important to keep researching dreams. Yet there is still no agreement on exactly how the brain works when we are dreaming or why we dream.”可知。