单项选择题

A．To boost book sales.
B．To encourage publishers to publish e-books.
C．To advertise their machine.
D．In order to advertise their software.
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单项选择题
A．In 1946.B．In 1957.C．In 1959.D．In 1960.
A．In 1946.
B．In 1957.
C．In 1959.
D．In 1960.
单项选择题
A．Her arm needs an X-ray check.B．She played the basketball too long each time.C．She broke her arm in a basketball match.D．There is nothing serious with her arm.
A．Her arm needs an X-ray check.
B．She played the basketball too long each time.
C．She broke her arm in a basketball match.
D．There is nothing serious with her arm.
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