单项选择题
A.10%~12% B.12%~14% C.10%~15% D.10%~20% E.20%~30%
A.1%~2% B.3%~5% C.10%~12% D.12%~14% E.20%~30%
A.鸭肉 B.鸡肉 C.猪瘦肉 D.猪肥肉 E.猪肝
A.贫血 B.水肿 C.体内胆固醇量下降 D.不孕症 E.前列腺素合成增加
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