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
詳解 (共 2 筆)
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(A) alternative 另外的；...
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inferential a.推理的；推...
私人筆記 (共 1 筆)
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題目：我們今天的主要能源來源是煤炭、天...
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