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单项选择题

What was the result of Columbus’ two trips to America

A．They led to the discovery of America.
B．They made native American foods popular.
C．They brought great wealth to Spain.
D．They made native American life styles well-known.
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热门试题

单项选择题What is the probable relationship between these two people

A．Daughter and father.
B．Client and lawyer.
C．Athlete and coach.
D．Patient and doctor.

单项选择题Which of the following best describes his mistake

A．A slip of the pen.
B．Careful work doesn’t help.
C．He is too critical.
D．He is poor at calculating.