单项选择题

A．To emphasize the dangers of the old method.
B．To explain a step in the new technique.
C．To show that the treatment will not cause fire.
D．To illustrate a combination of old and new treatment.
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单项选择题
A．The man will rent the apartment when it is available.B．The man made a bargain with the landlady over the rent.C．The man insists on having a look at the apartment first.D．The man is not fully satisfied with the apartment.
A．The man will rent the apartment when it is available.
B．The man made a bargain with the landlady over the rent.
C．The man insists on having a look at the apartment first.
D．The man is not fully satisfied with the apartment.
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