摘要: Choose the word or set of words that, when inserted in the sentence, best fits the meaning of the sentence as a whole. Cur...
Choose the word or set of words that, when inserted in the sentence, best fits the meaning of the sentence as a whole.
Currently rising temperatures in the Arctic and Antarctic are ——- of a still warmer world that could result from an excess of atmospheric carbon dioxide produced by the burning of oil, gas, and coal.
polarities- harbingers
- vestiges
- counterexamples
- aftereffects
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