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【单选题】
聚合物溶解必要条件是（）A.
吉布斯自由能变化（△Gm）小于零。
B.
吉布斯自由能变化（△Gm）大于零。
C.
吉布斯自由能变化（△Gm）等于。
D.
以上均不正确
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反馈参考答案：
举一反三
【单选题】Which is the hidden weapon that Lincoln employed to fight with Confederate Army and finally achieved the reunion of the nation?
A.
Will-powered soldiers
B.
military tactics
C.
railroad
D.
personal charm
【单选题】Which is the hidden weapon that Lincoln employed to fight with Confederate Army and finally achieved the reunion of the nation?
A.
Railroad
B.
Will-powered soldiers
C.
Military tactics
D.
Personal charm
【简答题】The army finally the city.
【单选题】The young man was glad that his experience as a cook in the army finally ____ . [ ]
A.
paid off
B.
paid for
C.
paid up
D.
paid back
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