The agricultural revolution．,The invention of labor,sav-找考题网

单项选择题

A．The agricultural revolution.
B．The invention of labor-saving machinery.
C．The development of scientific agriculture.
D．The farming machinery in America.

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单项选择题

A．Yes.B．No.C．Maybe.D．Unknown.

A．Yes.
B．No.
C．Maybe.
D．Unknown.

单项选择题

A．Life without television.B．Life in the city.C．Life in the countryside.D．Life full of love.

A．Life without television.
B．Life in the city.
C．Life in the countryside.
D．Life full of love.

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