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【单选题】
18 网络商务信息的收集要求之一的适度性是指( )。A.
收集的资料不要太多
B.
收集的资料不能太少
C.
收集的信息要有针对性和目的性，不要无的放矢
D.
收集的资料有一定的标准，不多也不少
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【单选题】Mary wrote an article on ________ the team had failed to win the game.
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why
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who
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That
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