题目内容

由于去应力退火时温度低于A1，所以钢件在去应力退火过程中不发生组织上的变化，目的是__________。

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公允价值，是指市场参与者在计量日发生的有序交易中，出售一项资产所能收到或者转移一项负债所需要支付的价格

A. 对
B. 错

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Section A 第1题

A)Have a holiday.
B)Fly to Beijing.
C)Travel on business with him.
D).Prepare some documents.

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Section A 第2题

A)In a cinema.
B)In a library.
C)In a store.
D）In a bank

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Section A 第3题

A)He likes watching football games.
B) He likes traveling with his friends.
C)He prefers to go traveling alone.
D)He prefers to stay at home with his family.

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