11．More and more people all over thd country are worried about foodsafety（safe）．

分析 全國越來越多的人擔(dān)心食品安全問題．

解答 答案：safety．
提示詞safe是形容詞，意為"安全的"，根據(jù)所給單詞結(jié)合語境 可以推測句意為"全國越來越多的人擔(dān)心食品安全問題．"，由于設(shè)空處單詞放在短語worry about后面，和前面的food構(gòu)成短語"食品安全"作worry about的賓語，所以應(yīng)填提示詞的名詞形式safety，故答案為：safety

點評 本題考查用所給單詞的適當(dāng)形式填空，首先要根據(jù)語境明確句意，然后再根據(jù)相關(guān)語法對所給單詞在形式上做出正確的變化．

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