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9.Health problems are closely connected with bad eating habits and a ______ of exercise.(  )
A.LimitB.lackC.needD.demand

分析 健康问题与不良的饮食习惯和缺乏锻炼有紧密的联系.

解答 答案B.选项中的这四个词都可以作为名词使用,它们的意思分别是:limit"限制,局限性";lack"缺乏";need"需要",demand"要求,需求".a limit of意思是"…的限制";a need of 和a demand of 是"需要"的意思;而a lack of sth.意思是"缺乏…",符合句子所表达的意思,故答案选B.类似的短语有:a lack of food/money/skills 缺乏食物/金钱/技能

点评 本题考查名词的词义辨析.名词词义辨析题一直都是高考考查的一个热点,它注重考查考生结合语境准确选用词语的能力.由于英语词汇丰富,且用法多变,考生掌握起来有较大难度,因此在平时应注意词汇的积累,理解词语的含义及其常见的习惯搭配,再联系句子所表述的意义和语境,选出正确的答案.

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