Scientists are increasely _____ that the earth is getting hotter because of carbon dioxide and other gases.

A. content B. conscious C. convinced D. common

 

C

【解析】句意：科學(xué)家們?cè)絹碓较嘈�，由于二氧化碳和其他的氣體地球正變得越來越熱。A. content 滿意的；B. conscious 有意識(shí)的；C. convinced 信服的，確信的；D. common常見的。由句意可知選C。

考點(diǎn): 考查形容詞詞義辨析的用法。

 

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