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.

相关考题

The author's attitude towards American television is __...

单项选择题The author's attitude towards American television is ______.

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

The author believes that television in the United State...

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

According to the author American television is poor in ...

单项选择题According to the author American television is poor in quality because ______.

A．advertisers are interested in experimenting with new ideas
B．it is still at an early stage of development, compared with the radio
C．the programs have to be developed in the interests of the sponsors for economic reasons
D．it is controlled by radio companies