单项选择题

The passage is about________.

A．poison control centers and doctors
B．bathing from a container or in a shower
C．the effect of water temperature on eyeballs
D．first-aid treatment of eye problems
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单项选择题
The speakers are________.
A．a student and the director of the housing office
B．a student and a professor
C．two students
D．two housing office staff members
单项选择题
The speakers are discussing________.
A．when to move
B．where to live the following year
C．how much time to spend at home
D．whose house to visit
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