問題詳情

10. What is “infrastructure,” the keyword repeatedly appears in the above article?
(A) the underlying foundation of an environmental organization
(B) the permanent installations required for military purposes
(C) the system of public works
(D) the wireless censors

參考答案

答案:[無官方正解]
難度:計算中-1
書單:沒有書單,新增

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