单项选择题

The first paragraph tries to tell us how to control noise pollution by ______.

A．taking measures to reduce human exposure to noise
B．using or replacing with quieter products
C．appealing to Government to set up laws
D．people's serf consciousness

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热门试题

单项选择题

Why did Gates drop out of Harvard in his junior year

A．Because he could not pay the tuition.
B．Because he fell far behind others in his study.
C．Because he didn't like the subject he was majoring.
D．In order to devote his time to Microsoft.

单项选择题

Who founded Microsoft

A．Gates and his high school friend Paul Allen.
B．Bill Gates.
C．Gates, Allen and some other students.
D．Paul Allen.