题目内容
To label their produce as organic, farmers have to obtain a certificate showing that no ________ chemicals have been used to kill pests on the farm for two years.
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Ancient Greek gymnastics training programs were considered to be an ________ part of the children’s education.
Researchers have found that happiness doesn’t appear to be anyone’s; the capacity for joy is a talent you develop largely for yourself.
We want out children to have more than job skills; we want their lives to be ________ and their perspectives to be broadened.
Online schools, which ________ the needs of different people, have emerged as an increasingly popular education alternative.
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