单项选择题

How many hours are workers limited to each day

A．10 hours
B．9 hours
C．8 hours
D．7 hours
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单项选择题
What are passengers having connecting flights in Los Angeles told to do
A．Make alternate plans
B．Proceed to the gate
C．Listen for an announcement
D．Get full refunds at the counter
单项选择题
What is being announced
A．The attendants will start regular drink service.
B．The flight will be longer than expected.
C．The plane has just taken off.
D．The passengers can unfasten their seatbelts.
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