单项选择题

On what are their research findings based

A．A survey of farmers in northern Japan.
B．Tests performed on a thousand old people.
C．The .study of brain volumes of different people.
D．The latest development of computer technology.

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热门试题

单项选择题

The author's attitude towards American television is ______.

A．critical
B．praising
C．doubtful
D．sympathetic

单项选择题

The author believes that television in the United States has become important to most people because ______.

A．it promotes family unity
B．it helps them develop their speaking ability
C．it attracts their life in many ways
D．it challenges society