The United States produces as much as half of the worldsA．wheat and rice.B．cotton.C．tobacc

As it is mentioned in the passage, schools in the United States do the following exceptA．p

The United States has less than 5% of the world s population; yet it produces about ______

______ , known as "the City of Angels", is the second largest city in the United States.A．

The 1920s in the United States has been described as a period ofA．culture revival.B．loss o

In the early decades of the United States. the agrarian movement promoted the farmer as s

Although the United States covers so much land and the land produces far more food than th