单项选择题More than()of the population in the United States lived in city areas in 1988.

A.60%
B.75%
C.90%
D.50%


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1.单项选择题One of the reasons for the growth of population in Florida is because of its()

A.expanding economy
B.large number of Cuban-Americans
C.climate
D.exotic food

2.单项选择题The three states that have seen the fastest growth in population in the past 20 years are()

A.California,Arizona and New Mexico
B.California,Florida and Nevada
C.New Mexico,Texas and Florida
D.Arizona,Nevada and Florida

3.单项选择题()was an important immigration spot in late 19th century and early 20th century.

A.Ellis Island 
B.San Francisco
C.Hawaii 
D.Miami

5.单项选择题A major source of population growth is()

A.immigration 
B.baby boom
C.rising birth rate 
D.larger number of young people

6.单项选择题The annual population growth rate of the 1990s was ()

A.1%
B.0.9%
C.over 1%
D.under 1%

8.单项选择题Edinburgh International Festival of Music and Drama takes place for a period of 3 to 4 weeks between()when Edinburgh becomes a center of cultural activity.

A.July and August
B.August and September
C.September and October
D.October and November

9.单项选择题Pantomime is a kind of play based on a traditional fairy tale and per-formed()

A.at Easter
B.on New Year.s Day
C.on St.Patrick.s Day
D.at Christmas time