21. Among all the greenhouse gases, carbon dioxide (CO2) is considered most ________ for global climate change
because of its huge emission amount.
(A)responsibility
(B) responsible
(C) responsibly
(D) responsive
詳解 (共 2 筆)
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在所有的溫室氣體當中，二氧化碳被視為地球...
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Among all the greenh...
私人筆記 (共 1 筆)
未解鎖
(考片語) Among all the...
阿摩線上測驗
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