18．A study finds that the more education people have，______ they are to form unhealthy habits．（　�。�
A．more likelyB．more possible
C．the less likelyD．the less passible

分析 句意：一項研究發(fā)現(xiàn)，人們接受的教育越多，就會有越少的可能性去形成不健康的習(xí)慣．

解答 答案：C
特殊句型：The+比較級+句子，the+比較級+句子．比較級中的特殊作用的結(jié)構(gòu)表示"越…就越…"．一、根據(jù)分析題干，前面有the more，后面需用the+比較級結(jié)構(gòu)，先排除A，B；二、根據(jù)句意確定需選用表示可能性的詞；三、分析likely，possible的用法，likely既可用人也可用物作主語，常用句式：It is likely for sb．to do sth．或sb．is likely to do sth．； possible的常用句式：It is possible for sb．to do sth．或 It is possible that從句．作表語時不能用人作主語．空格后句中主語為they指人，故答案選C．

點評 解答本題掌握比較級的固定句式是第一要素，其次認真區(qū)分likely及possible的用法．

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