12.Time is limited,so you must finish it in 30 minutes.

分析 時間有限,所以你必須在30分鐘內(nèi)完成它.

解答 limited 考查形容詞.句意:時間有限,所以你必須在30分鐘內(nèi)完成它.limited是形容詞"有限的",在句中做表語.

點評 本題考查形容詞的詞義.形容詞詞義一直都是高考考查的一個熱點,它注重考查考生結(jié)合語境準確選用詞語的能力.由于英語詞匯豐富,且用法多變,考生掌握起來有較大難度,因此在平時應(yīng)注意詞匯的積累,理解詞語的含義及其常見的習慣搭配,再聯(lián)系句子所表述的意義和語境,選出正確的答案.

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