【用戶】peggyiii2002

【年級】國三上

【評論內容】Enzymes consist of various types of proteins (that work to drive the chemical reactions)( 17 for certain types of nutrients to take effect.)(that work to drive the chemical reactions)修飾protein( 17 for certain types of nutrients to take effect.)修飾chemical reactions所以原本句子為....chemical reactions which are required for certain types of nutrients to take effect→此種化學反應是某些營養素作用的必要條件省略which 改成being required再省略being所以答案是 required 

【用戶】peggyiii2002

【年級】國三上

【評論內容】Enzymes consist of various types of proteins (that work to drive the chemical reactions)( 17 for certain types of nutrients to take effect.)(that work to drive the chemical reactions)修飾protein( 17 for certain types of nutrients to take effect.)修飾chemical reactions所以原本句子為....chemical reactions which are required for certain types of nutrients to take effect→此種化學反應是某些營養素作用的必要條件省略which 改成being required再省略being所以答案是 required