动物性食品包括畜禽肉、禽蛋类、水产类和乳类,是人体优质蛋白、 ______ 、脂溶性维生素、 B 族维生素和 ______ 的主要来源。
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举一反三
【单选题】When a matador is in his costume, they say he's dressed in'lights' —on account of the spangle and glitter of his suit. As you might expect in the garishly symbolic world of bullfighting, though, itmea...
A.
One of his ancestors appeared in Hemingway's novels.