Some species disappeared or became ______ as new forms came into being that were better adapted to the Earth’s changing environm

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问题 Some species disappeared or became ______ as new forms came into being that were better adapted to the Earth’s changing environment.

选项 A、extinguished
B、massive
C、extinct
D、feeble

答案C

解析 形容词词义辨析题。由并列连词or可知,空格中应填入与disappeared“消失”意思相近的词,extinct“灭绝的,绝种的”符合句子语境,故C正确。extinguished表示“(灯火、希望、热情、想法等)被熄灭的,被消灭的”,不符合本句语境;massive表示“大量的,大规模的”;feeble表示“虚弱的,脆弱的”。
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