请问which 指代的是什么?they both contain genetic recipes for proteins with which cells extract energy from food.

分类: 作业答案 • 2022-01-02 15:39:08

问题描述：

请问which 指代的是什么?
they both contain genetic recipes for proteins with which cells extract energy from food.

答

应该是指代 genetic recipes.cells extract energy from food with genetic recipes.