单项选择题

The United States is composed of ______states and one district, the District of Columbia.

A．50
B．51
C．48
D．49
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单项选择题
What do you think of the black people in the U. S.
A．They form the most numerous minority.
B．They get married younger than the whites.
C．They have a higher death rate than the whites.
D．Most of them living in the countryside.
单项选择题
Which British writer wrote the novel Hard Times
A．Thomas Hardy.
B．Charlotte Bronte.
C．George Bernard Shaw.
D．Charles Dickens.
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