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  3. The research suggests that people increase physical activity to a medium level and pay attention to the choices of their food an

The research suggests that people increase physical activity to a medium level and pay attention to the choices of their food an

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问题 The research suggests that people increase physical activity to a medium level and pay attention to the choices of their food and calorie intake to maintain ideal weight.
Zinc can help reproduce many new brain cells.
选项 A、Y
B、N
C、NG
答案C
解析 第十五段指出"ZINC—A nutrient important to many cell functions，including the immune system"．锌对于细胞功能非常重要，包括免疫系统。题干中“锌有助于产生新的脑细胞”的信息文章中并未提及。
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大学英语四级

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