单项选择题

Which element determines the harm brought by the noise pollution

A．Frequency and intensity of the sound.
B．The time the pollution lasts.
C．The density of the population.
D．The quality of the sound.
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单项选择题
In France, what is the common thing in finding a partner for both sexes
A．They place more emphasis on appearance.
B．They both seek the romance than real life.
C．They'd like to attend parties, bars and clubs to meet someone.
D．They pay more attention to financial status.
单项选择题
According to the passage we know in Portugal ______.
A．Portuguese preferred to get partners through friend's introductions
B．Portuguese are more likely to hunt partner online
C．Portuguese said they had lied about their marital status
D．both man and woman put a sense of humor at the top of their list
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