問題詳情

State control guarantees less efficiency in the exploration for oil, and in the _____32_____ and refinement of fuel. Further, these state-owned _____33_____ do not divulge how much they really own, or what the production and exploration _____34_____ are. These have become the new state secrets.
32.
(A). companies
(B). extraction
(C). numbers
(D). investment

參考答案

答案:B
難度:簡單0.7375
統計:A(3),B(59),C(4),D(14),E(0)

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