The Gilded Age refers toA．the United States in 1820s.B．the United States in early 20th cen

The word they in Paragraph 4 refers toA．most minor coinsB．the amount of nickel###

The phrase "one another" in the passage refers toA．populationsB．racesC．ecological conditio

In the semantic triangle, "referent" refers toA．concept.B．the real world.C．the thought.D．m

According to the comprehensive input theory, "i ＋1" refers toA．the current level of the le

The Bill of Rights refers toA．the American Constitution.B．10 amendments to the Constitutio

The Gilded Age refers to the United StatesA．in 1820s.B．from the 1860s to the start of 20th