单项选择题

A．From his friend.
B．From the theater.
C．From a charity organization.
D．From an unknown source.
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单项选择题
A．Agricultural robots.B．Industrial robots.C．Computers.D．Electrical robots.
A．Agricultural robots.
B．Industrial robots.
C．Computers.
D．Electrical robots.
单项选择题
A．Protection of intellectual property.B．To say no to piracy.C．Luxury items and their prices.D．People and pirated products.
A．Protection of intellectual property.
B．To say "no" to piracy.
C．Luxury items and their prices.
D．People and pirated products.
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