Plants make about 95 percent of the (nourishment) need by the process of photosynthesis.找错题 括号内的 nourishment 错误.改为什么合适呢?

Plants make about 95 percent of the (nourishment) need by the process of photosynthesis.找错题 括号内的 nourishment 错误.改为什么合适呢?toefl mar .1993 的题.
为什么这个问题在 动词 章节部分.the 后面 nourishment 是 要改为动词吗?
是make---nourishment to need .不定式作其宾语补足语的动词 make+宾语+to be.
有人就只给nourishment是营养食物/滋补品.改成 nutrition 营养.
植物通过光合作用达到95%的营养需要.
补充找到的二个例句：One of the most fantastic things about digital products is that the working model presented to users need not be bound by the limitations of physics and the inherent messiness of real three-dimensional space.数字产品最为奇特的特点之一是展现给用户的工作模型不必受物理上的限制，也没有随之产生的杂乱的真实世界三维空间。
(There were almost no women in California in those days ,and the Chinese filled a real need by this " woman's work ".)some went to work as farmlands or as fishermen.（在那段岁月，在加利福尼亚几乎没有妇女，因而中国人所做的这些“妇女”的工作确实迎合了当时的需要。）还有一些人做起了农夫或是渔夫的工作。
在动词的被动式之后，使用 by + 名词 或者代词 表示谁是动作的执行者。这个人或物称为“agent主动者”。
He was bitten by a dog.The tree was struck by lightning.This wasn't written by Shakespeare.