A.PhiladelphiaB.PlymouthC.Boston（）has been called the “……

单项选择题The number of Congressmen from each state varies depending on （）

A.the size of the area
B.the size of the population
C.the tradition
D.the wealth

单项选择题The first thirteen states of the US mainly located （）seaboard.

A.theeastern
B.thewestern
C.thenorthern

单项选择题The Great Salt Lake lies in northern （）

A.Idaho
B.Arizona
C.Nevada
D.Utah

单项选择题The US Federal Government is composed of the following except （）

A.thelegislative
B.thestandingcommittee
C.thejudicial
D.theexecutive

单项选择题In Feb. （）came President Nixon’s historic visit to China.

A.1979
B.1972
C.1973