单项选择题

A．When the method of controlled experiment was first introduced.
B．When Galileo succeeded in explaining: how things happen.
C．When Aristotelian scientists tried to explain why things happen.
D．When scientist were able to acquire an understanding of reality by reasoning.
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单项选择题
A．She wants the man to stop using the computer.B．She wants the man to pay attention to her.C．She wants the man to pay attention to the outdoor chess game.D．She wants the man to have a walk with her.
A．She wants the man to stop using the computer.
B．She wants the man to pay attention to her.
C．She wants the man to pay attention to the outdoor chess game.
D．She wants the man to have a walk with her.
单项选择题
A．To buy only one holiday home.B．To buy at most two holiday homes.C．To buy a week or more at each of two holiday homes.D．To share holiday homes with others by buying a room.
A．To buy only one holiday home.
B．To buy at most two holiday homes.
C．To buy a week or more at each of two holiday homes.
D．To share holiday homes with others by buying a room.
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