单项选择题The word bead originally meant prayer, but now it refers to the rosary used in the prayer. This is an example of______.
单项选择题It is in the year of ______ that Columbus discovered the New World.
单项选择题The poem A Psalm of Life was written by ______.
单项选择题The 18th century in English literature is an age of ______.
单项选择题The same one word may have more than one meaning. This is what we call ______.