单项选择题

A．Artificial hearts.
B．Telescopes.
C．Microscopes.
D．Radio telescopes.
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单项选择题
A．That she has stopped smoking.B．That she does not want to get married.C．That she has asked the man to quit smoking many times.D．That she is not in love with the man.
A．That she has stopped smoking.
B．That she does not want to get married.
C．That she has asked the man to quit smoking many times.
D．That she is not in love with the man.
单项选择题
A．The first group.B．The second group.C．The last group.D．All the three groups.
A．The first group.
B．The second group.
C．The last group.
D．All the three groups.
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