单项选择题

A．The man is a football fan.
B．The man needs the woman’’s help.
C．The man didn’’t watch TV last night.
D．The man often has power failure at home.
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单项选择题
By scholarly skywriting , the author means scholars _________.
A．get new ideas from discussions through electronic networks
B．have their scientific papers openly published on the Net
C．are free to express their ideas on the line
D．create, polish and publish their ideas on the line
单项选择题
It is implied in the last paragraph that _________.
A．people should be taught how to escape the tsunami
B．a sound detection system could have saved the disaster
C．radio stations neglected their responsibilities
D．the heavy loss in the South-East tsunami could have been less
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