Washington, the capital of the US, is on the （）river.

单项选择题（）has the sole right to interpret the Constitution.

A.The Cabinet
B.The Supreme Court
C.President
D.Congress

单项选择题The First Continental Congress was held in （）in September, 1774.

A.Philadelphia
B.Boston
C.New York

单项选择题Among the five Great Lakes, only （）is wholly within the United States.

A.Erie
B.Superior
C.Michigan

单项选择题The general election in America is held every （）years.

A.5
B.4
C.6
D.3

单项选择题The colonial life can be described as the following except （）

A.simple
B.easy
C.rough
D.hard