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【单选题】
1 Matt lives on popcorn and seafood salads. The price of popcorn is 1 dollar per bag and the price of seafood salad is 2 dollars each. Matt allows himself to spend no more than 13 dollars a day on food. He also restricts his consumption to 5500 calories per day. There are 1000 calories in a bag of popcorn and 500 calories in a seafood salad. If he spends his entire money budget each day and consumes no more than his calorie limit:A.
he can consume up to 3 bags of popcorn per day, but no more.
B.
he can consume up to 1 bag of popcorn per day, but no more.
C.
he can consume up to 5 seafood salads per day, but no more.
D.
he can consume up to 4 bags of popcorn per day, but no more. (e) None of the above.
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】下述维生素 C 的功能中与坏血病症状密切相关的是
A.
参与某些神经递质的合成用
B.
影响胶原蛋白的合成
C.
促进铁的吸收利
D.
促进类固醇的代谢
E.
抗氧化作用
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