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【单选题】
对一批物料或产品进行质量评价,做出批准使用或投放市场或其他决定的操作的是A.
重新加工
B.
放行
C.
交叉污染
D.
纠偏限度
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举一反三
【单选题】That is, until 2012, when Drs. Edith Widder, Steve O’Shea and Tsunemi Kobodera filmed the elusive and mysterious giant in its natural deep-sea habitat for the first time ... (Para. 3)
A.
It was not until 2012 that Drs. Edith Widder, Steve O’Shea and Tsunemi Kobodera filmed the elusive and mysterious giant in its natural deep-sea habitat for the first time …
B.
We knew very little about the elusive and mysterious giant until 2012, when Drs. Edith Widder, Steve O’Shea and Tsunemi Kobodera filmed it in its natural deep-sea habitat for the first time …
C.
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D.
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【简答题】求经过A(1,4),B(4,1)两点的直线斜率K、倾斜角α及截距b