Canning is a natural extension of the planting she does. With every planted food, Loe noted, there's a moment when it's bursting with its absolute peak flavor. “I try and keep it in a time capsule in a canning jar，” Loe said. “Canning for me is about knowing what's in your food, knowing where it comes from.”

　　In addition to being more in touch with the food she's eating, another joy comes from passing this knowledge and this desire for good food to her children: “Influencing them and telling them your opinion on not only being careful what we eat but understanding the_bigger_picture，” she said, “that if we don't take care of the earth, no one will.”

　　语篇解读　本文讲述的是Loe一家如何仅用一小片土地就过上了田园般的生活，并向我们讲述了如何利用有限的条件自己栽种和保存果实。

　　1．The underlined word “prerequisite” (Para. 1) is closest in meaning to ________.

　　A. recipe

　　B. substitute

　　C. requirement

　　D. challenge

　　答案与解析　C　考查词义猜测。从语境上看，下文讲述的是Loe和她的家人在仅仅只有十分之一英亩的土地上栽种和保存他们所需的大部分食物，由此可推断，画线词的含义应是“必备条件，先决条件”，同C项的含义相近，故选C。

　　2．Why does Loe suggest starting with herbs?

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