2．Half a century ago，parts of the Thames were______"biologically dead"because of the pollution．（　　）
A．declaredB．imaginedC．sensedD．marked

分析 半個世紀以前，泰晤士河的部分因為污染而被宣布"生物意義上的死亡"．

解答 答案：A    A declared 聲明，宣布；  B imagined想象，猜想；  C sensed 感覺到，覺察到；  D mark 標出，標記．根據(jù)句意答案應該為A．

點評 本題考查動詞辨析，首先分析每個選項中動詞的意思和用法，然后結合句意確定恰當?shù)拇鸢福?/p>

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