单项选择题

A．It’s too cold for people to adapt themselves to the temperature.
B．The temperature of the rooms is uncomfortable.
C．The temperature of the rooms is quite uneven.
D．It’s difficult to install them in the rooms.
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单项选择题
A．On Friday.B．On Saturday.C．On Thursday.D．On Wednesday.
A．On Friday.
B．On Saturday.
C．On Thursday.
D．On Wednesday.
单项选择题
A．Every room has a heater.B．The Central room has a heater.C．A heat chamber heats air and passes the warm air through ducts and openings into rooms.D．The rooms are installed with blowers or convection.
A．Every room has a heater.
B．The Central room has a heater.
C．A heat chamber heats air and passes the warm air through ducts and openings into rooms.
D．The rooms are installed with blowers or convection.
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