单项选择题

By using the phrase "stay tuned for good news" (Line 5, Para. 3) the author wants us to ______.

A．try and be more optimistic
B．wait for the situation to change for the better
C．expect more positive innovations
D．hope that the good news won't change

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热门试题

单项选择题

Digital technologies really began to take form when ______.

A．DVD technology was introduced
B．it was used with photography
C．used in computing
D．information was encoded

单项选择题

The author implies that excitement over the digital revolution may be hindered by ______.

A．ignorance of the technology
B．robust economic growth
C．the economic realities of its practicality
D．economic problems of hi-tech companies