A. have healing effects B. be used externally C. be promoted D. help the disabled E. be further explored F. suit different peopl

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问题 A. have healing effects
B. be used externally
C. be promoted
D. help the disabled
E. be further explored
F. suit different people
The use and benefits of aromatherapy need to______.

选项

答案E

解析 文章第四段最后两句指出,关于芳香疗法的研究还是一个未知的新课题,还需要进行更多的探索,以得出关于其用途和功效的科学结论。故本题选E。
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