单项选择题

It is implied about Trevor Baylis that ______.

A．he invented the clockwork radio
B．he runs a race
C．he was once a singer
D．he is in charge of a swimming pool
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单项选择题
According to the passage, Poseidon saves a life by ______.
A．plunging into the pool
B．alerting the lifeguard
C．crying for help
D．rushing to the pool
单项选择题
It could be inferred from the first paragraph that ______.
A．lifeguards often failed to notice the people who get drowned
B．AI is an idea invented by a French company
C．anyone in the water can be saved by the AI
D．people often get drowned in Britain
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