There is so much to know and so many seemingly contradictory theories on the subject of nutrition and its relationship with human body and mental function. (根据要求选出答案,用大写字母填写,无标点!) 1. 动词不定式作定语 ( ) 需要了解的 2. 介词短语( ) 与人体及心智机能的关系 3 .介词短语( ) 关于营养元素及它 ... 4. 主干句( ) 有太多需要探索的领域和许多看似矛盾的理论 There is so much to know and so many seemingly contradictory theories. to know on the subject of nutrition and its relationship with human body and mental function so much to know and so many seemingly contradictory theories