10．The new discovery challenged the___   ___theory about life's origins．（　�。�
A．conventionalB．particularC．contraryD．casual

分析 這項(xiàng)新的發(fā)現(xiàn)挑戰(zhàn)了傳統(tǒng)的關(guān)于生命起源的理論．

解答 答案：A
A：conventional傳統(tǒng)的，慣常的；B：particular特別的，詳細(xì)的；C：contrary相反的；D：casual隨便的，偶然的 根據(jù)題干中"the new discovery challenged"可推斷新的研究發(fā)現(xiàn)會(huì)挑戰(zhàn)傳統(tǒng)的理論，符合題干意思的只有選項(xiàng)A，故正確選項(xiàng)為A．

點(diǎn)評(píng) 此題考查形容詞的詞義辨析，根據(jù)對(duì)形容詞詞義的理解并結(jié)合語(yǔ)境，可選出正確選項(xiàng)．

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