单项选择题

According to an investigation, automobiles are （） for two-thirds of the smog in American cities.

A．inferior
B．resistant
C．unconscious
D．responsible

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单项选择题
Violent programmes on television may have a bad （） on children.

A．affection
B．influence
C．effect
D．power
单项选择题
The bus broke down, so all the passengers were （） to another bus.

A．transformed
B．rescued
C．transferred
D．transplanted
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