单项选择题

Why does the shark never stop moving

A．It never sleeps.
B．It can only smell when moving.
C．If stopped it would sink.
D．It must eat constantly.
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单项选择题
What happened after the man asked if he could smoke
A．Alison offended him by asking him not to.
B．He went ahead without waiting for an answer.
C．He began to smoke but then put the cigarette out.
D．He took out his cigarettes but did to light on
单项选择题
What do you think Alison said to herself when she saw the dog
A．"I wish he wouldn't bring that dog in here."
B．"Oh, what a nice dog!"
C．"What's wrong with that poor dog"
D．"I'm sure I’ve seen that dog before somewhere."
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