Passage Three What does the word "non-demented " in Para. 2 probably mean?

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问题 Passage Three
What does the word "non-demented " in Para. 2 probably mean?

选项

答案Mentally clear.根据原文第二段第二句可知，调查研究的对象是1077名60岁到90岁之间的non-demented和healthy的人，其中的and otherwise表明这两个词在意思上是并列或递进的关系；再根据第三段前两句可知，在研究的前十年里，志愿者中有43人患上了阿尔茨海默病，后面又将这些患阿尔茨海默病的病人与未患病者进行比较。综上所述，可以推出“Mentally clear”为正确答案。

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专业英语四级

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Passage Three What does the word "non-demented " in Para. 2 probably mean?

专业英语四级

Nowadaysitisverydifficultforcollegegraduatestofindadecentjobinthejobmarket.Inordertofindawayout,somecol

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Tomtoldhisfather______hadhappened.

Benjamintoldmehisfatherhaddecidedtosupporthimand_______hewouldquittheschooltostarthisbusiness.

Asadevelopingcountry,wemustkeep______withtherapiddevelopmentoftheworldeconomy.

Thismayhavepreservedtheelephantfrombeingwipedoutaswellasotheranimals_______inAfrica.

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