单选题:根据下列文章,回答题。This passage is mainly concerned with___.[A] peop

题目内容:
根据下列文章,回答题。


This passage is mainly concerned with___.
[A] people's growing interest in natural foods
[B] natural food and healthy diet  
[C] the importance of fibre in foods
[D] harrnful effects of sugar
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导游服务的性质在不同的国家和地区,由于社会制度、意识形态和民族的不同,其政治属性也不同。 (  )

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根据短文,回答题What is the trend of credit-theft crime?[ A ] Tightl

根据短文,回答题What is the trend of credit-theft crime?[ A ] Tightly suppressed. [ B ]

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为了更准确地了解唇舌部位的病变范围和性质,临床检查时一般用(  )

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