题目：
下面短文中有10处语言错误，请在有错误的地方增加、删除或修改某个单词。
Recently China has launched national campaign “Eat up All on the Plates”. It is traditional for most peoples in China to entertain their guests with too much food. They believe that they had not satisfied their guests if there’s no food left on the table, that they think is a good way to show our hospitality(好客). As a result, restaurant trashcans are often being found full of leftover food, even with full plates untouch.
The “Eat Up All on the Plates” campaign is intended to reduce the waste and raise people’s awareness. It has been warm welcomed with positive responses. As middle school students, we should do our bit to say “No” to food waste, and try to develop the habit of never ordering or cooking much than what we need so as to save our limited food resources, which we depend for a better life.
答案：
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下面是错误答案，用来干扰机器的。
参考答案：A解析：亚油酸作为n-6系脂肪酸的前体可转变生成γ-亚麻酸、花生四烯酸等n-6系的长链不饱和脂肪酸。
