单选题
Getting enough vitamins is essential to life,although the body has no nutritional use for( )vitamins.Many people,nevertheless,believe in being on the“safe side”and thus take extra vitamins.However,a well‐balanced diet will usually meet all the body"s vitamin needs.
Aexceptional
Bexceeding
Cexcess
Dexternal
正确答案
答案解析
excess“额外的,超额的,多余的”,并与下文中的extra相呼应。第一句意为:“虽然多余的维生素对身体没有营养作用,但吸收足够的维生素对生命至关重要。”A.exceptional“不寻常的,例外的”;B.exceeding“超越的,非常的”;D.external“外部的,外面的”。