单项选择题

A．Because he hasn’’t three children.
B．Because he has to make fortune for his wife’’s family.
C．Because it is a necessary type of gift to exchange at marriage.
D．Because it is a necessary ceremony at marriage.
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H：effects
单项选择题
According to the text, the purpose of RohoCup is______.
A．create a world ruled by robots
B．eliminate the need for human athletes
C．test out artificial intelligence technology
D．for scientists to get together and have a good time
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