单项选择题

According to the woman, what causes most of the damage to the air

A．Industrial sources.
B．Automobiles.
C．Nitrogen sources.
D．Natural activities.
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单项选择题
Jamaile Morally was accused of all EXCEPT________.
A．illegal possession of a gun
B．attempted kidnap
C．attempted murder
D．attempted rape
单项选择题
What’’s the probable relationship between the two speakers
A．Teacher and student.
B．Doctor and patient.
C．Lawyer and client.
D．Boss and secretary.
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