According to the US National Heart, Lung and Blood... - 题库

【填空题】

According to the US National Heart, Lung and Blood Institute, the reason why older mothers’ children tend to be obese remains ______.

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单选题	How were immigrants viewed by U.S. Congress in early days?	查看答案
单选题	What does Edward Telles’ research say about Mexican-Americans?	查看答案
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单选题	What will agriculture be like in the 21st century	查看答案
单选题	What does the author think of traditional farming practices?	查看答案
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单选题	Specialisation and the effort to increase yields have resulted in________.	查看答案
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