10．This article says _______ is bad for our lungs．（　�。�
A．smokeB．to smokeC．smoking

分析 這篇文章說(shuō)吸煙對(duì)我們的肺有害．

解答 答案：C  考查單詞填空．根據(jù)題干：要用動(dòng)名詞作主語(yǔ)，是單數(shù)形式，故選擇C．

點(diǎn)評(píng) 解答此題的關(guān)鍵是根據(jù)語(yǔ)境推測(cè)要填內(nèi)容表達(dá)的含義，然后能理解各選項(xiàng)內(nèi)容，有時(shí)可能沒(méi)有必要細(xì)細(xì)區(qū)分每個(gè)單詞的含義，僅根據(jù)句子語(yǔ)氣就可以判斷出正確答案．

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