单项选择题

A．eliminating all excessive and unnecessary noise
B．where industrial noise comes from
C．how to protect yourselves from being hurt by noise
D．how to complain when you suffer traffic noise
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单项选择题
Next to football, the most popular sport in Britain should be ______.
A．basketball
B．ping-pong
C．cricket
D．golf
单项选择题
Christianity was introduced into Britain by ______.
A．the Celts
B．the Viking Danes
C．the Germans
D．the Romans
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