2. 外语
  3. Brushing and flossing can surely keep your teeth and gums healthy. Sugarless food, such as ______, plays a role in the preventi

Brushing and flossing can surely keep your teeth and gums healthy. Sugarless food, such as ______, plays a role in the preventi

admin2009-04-23  17
问题 Brushing and flossing can surely keep your teeth and gums healthy.
Sugarless food, such as ______, plays a role in the prevention of tooth decay.
选项
答案cheese，popcorn，raw vegetables，and yogurt
解析 Sugarless与文中的nonsugary同义，由此定位到The Nutrition Connection标题，末段：If you snack，eat nonsugary foods，such as cheese，popcorn，raw vegetable，or yogurt．(如果你吃零食，吃一些无糖食品，比如奶酪、爆米花、生蔬菜、酸奶等。)此题关键在于根据题眼sugarless找到文章中的同义词nonsugary。
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大学英语六级

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