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【单选题】
若要在文档窗口中选择一个层,以下方法不能实现的是()A.
单击一个层的边框
B.
在一个层中按住ctrl+shift快捷键并单击它
C.
单击一个层的选择柄
D.
单击一个层中的任意位置
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【简答题】2
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...
【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.
--
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
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