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【单选题】
What happened when he was interviewed?A.
He was asked to come back in 24 hours but he didn't.
B.
These people realized how much time and expense he had put into his applications.
C.
He was told that they would contact him within 24 hours but they didn't.
D.
They told him it was a privilege to be given an interview.
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皮皮学刷刷变学霸
举一反三
【单选题】以下有关氧化还原反应的说法正确的是（ ）
A.
含有氧元素的物质是氧化剂
B.
在氧化还原反应中，失去电子的元素化合价降低
C.
失电子越多的还原剂，其还原性就越强
D.
氧化剂得到电子的数目和还原剂失去的电子的数目一定相等
【简答题】巴氏消毒乳菌落计数平板培养的温度是 。