問題詳情

5.Our major energy sources today are coal, gas and pil, but we expeixlMrtiiese will run out next century and so it is vital that we develop_____sources.
(A) alternative
(B) inferential
(C)contextual
(D) progressive

參考答案

答案:A
難度:適中0.565217
統計:A(13),B(4),C(3),D(2),E(0)

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