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单项选择题

理想溶液各组分混合过程熵变

A．大于0
B．小于0
C．等于0
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单项选择题
During the year ended 30 September 20X4 Hyper Co entered into two lease transactions:
On 1 October 20X3 a payment of 340,000.
On 1 August 20X4 a payment of $18,000 for a nine-month lease of an item of excavation equipment.
What amount in total would be charged to Hyper Co's statement of profit or loss for the year ended 30 September 20X4 in respect of the above transactions
A．$101,000
B．$68,000
C．$97,000
D．$98,000
单项选择题
GenBank登录号AAA59172蛋白质，用ProtParam工具预测其蛋白质不稳定指数为（）。
A、1.447
B、1.416
C、40.33
D、41.33
单项选择题
小偏心受拉构件破坏时仍保留有混凝土受压区。
A．对
B．错
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