问答题张太太是位家庭主妇，平时特别关注食品安全问题，请你告诉她如何通过感官判断食品是否发生腐败变质，以及家庭中预防食品腐败变质的主要措施有哪些？
问答题
张太太是位家庭主妇，平时特别关注食品安全问题，请你告诉她如何通过感官判断食品是否发生腐败变质，以及家庭中预防食品腐败变质的主要措施有哪些？
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