单项选择题

What’s the most popular heating system according to the engineer

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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单项选择题
When was James Michener born
A．1990.
B．1907.
C．1908.
D．1905.
单项选择题
According to the text the newsagent last wrote out Topham on the top right - handed corner of the author’s paper because ______.
A．the newsagent wanted to revenge on the author’s habit of frequently changing the order
B．the newsagent was intentional to punish Topham
C．the newsagent was careless and opinionated
D．the newsagent was reluctant to write the author’s name in a correct way
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