题目内容
1．Now，more and more people are careful with thesafety（safe） of food．分析 现在，越来越多的人都注意食品的安全．
解答 答案：safety
联系语境，根据关键词 the…of food可知the后应该跟名词，结合提示词safe为形容词"安全的"，其名词形式为safety"安全"，这里指"食品的安全"，本身表示抽象意义 所以safety永远是单数． 故填写：safety
点评 此题考查形容词及名词间的转化．做题时抓住关键部分准确确定出其词性，再结合提示词做出相应的形式上的变化．
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