问题
选择题
Perhaps the best sign of _____ computer and internet use pushes up demand for paper comes from the high-tech industry itself.
A．how
B．what
C．why
D．that
答案
答案：A
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Perhaps the best sign of _____ computer and internet use pushes up demand for paper comes from the high-tech industry itself.
A．how
B．what
C．why
D．that
答案：A