单项选择题

A．Farmers had few tools before the agricultural revolution.
B．People in the United States were traditionally self-reliant.
C．Life on the farm was extremely difficult.
D．New tools were designed to be portable.
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单项选择题
A．It will take about twenty minutes to get to the museum.B．The woman is a tourist in the city.C．Traffic is very heavy at that time.D．The museum closes at around seven o’clock.
A．It will take about twenty minutes to get to the museum.
B．The woman is a tourist in the city.
C．Traffic is very heavy at that time.
D．The museum closes at around seven o’clock.
单项选择题
A．Basketball players.B．Professional football players.C．A few Stars.D．Tennis players.
A．Basketball players.
B．Professional football players.
C．A few Stars.
D．Tennis players.
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