单项选择题

A．It can cause electrical shocks.
B．It can alter the shape of the metal.
C．It requires too many small particles.
D．It is too expensive.
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单项选择题
A．Written by children themselves.B．Telling stories about the reader himself.C．Printed with standard things.D．Published with the help of computers.
A．Written by children themselves.
B．Telling stories about the reader himself.
C．Printed with standard things.
D．Published with the help of computers.
单项选择题
A．It has a garden.B．It is not in the city center.C．It is not very expensive.D．It is very far from the place the man works in.
A．It has a garden.
B．It is not in the city center.
C．It is not very expensive.
D．It is very far from the place the man works in.
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