单项选择题

The invention of paper meant more people could be educated because more books could be printed and ___________.

A．distributed
B．broadcasted
C．scattered
D．spread
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单项选择题
It can be inferred from the passage that the market share of _________.
A．the U.S. information service sector was equal to 40 percent of the global market share
B．the U.S. information service sector was about one seventh of the global market share
C．computers in the United States is much smaller than that of television
D．computers in the United States had reached about 50 billion by 1992
单项选择题
Up until the time, his interest had focused almost ___________ on fully mastering the skills and the techniques of his crafts.
A．radically
B．restrictively
C．exclusively
D．inclusively
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