問題詳情
31. As technology has become more readily available( A ), more blue-collar jobs haverequired to manipulate( B ) computers well in order to collect and analyze data aboutproductivity and market trends( C ) to stay competitively( D ).
參考答案
答案：D
難度：適中0.440945
統計：A(19),B(26),C(17),D(56),E(0)
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