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【简答题】
如果一个系统从环境中吸收40J的热,而系统的内能增加了200J,那么系统从环境中得到了多少功?如果该系统在膨胀过程中对环境做了10J的功,同时吸收了28J的热,求系统的内能变化值
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B.
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A.
付款人直接将现金支付给收款人
B.
付款人委托非金融机构向收款人转账
C.
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D.
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A.
土壤中的无机盐
B.
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C.
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D.
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