单项选择题

It can be inferred from the passage that ______.

A．all the ideas "new" to us are actually old
B．some "new" ideas can make money without having to be commercialized
C．all "new" ideas first appeared in the form of a patent
D．some "new" ideas may not bring economic reward to their originators

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热门试题

单项选择题

The new era of television is brought about by ______.

A．modern technologies
B．computer technologies
C．television technologies
D．the combination of TV and computer technologies

单项选择题

From the passage we might get the hint that ______.

A．the future television will have advanced transmission techniques
B．there will be more types of television
C．the future television will be more entertaining
D．the future television will be more interactive