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【单选题】
有一种德国银的材料,这种材料的成分主要是A.
银铜合金
B.
铜镍合金
C.
铜锡合金
D.
铜锌合金
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反馈参考答案：
举一反三
【单选题】When you install a new program on your computer, it is typically added to the ____ menu.
A.
All Programs
B.
Select Programs
C.
Start Programs
D.
Desktop Programs
【简答题】The factors for which you typically do not control are called ()to your organization .
【简答题】(2)线性表的逻辑结构是________,其所含元素的个数称为线性表的________。
【单选题】You have lost datafile 4 from your database. Which is typically the fastest way to restore your database? （）
A.
Restore and recover the datafile.
B.
Restore and recover the tablespace.
C.
Restore and recover the database.
D.
Restore and recover the control file.
E.
Restore and recover the parameter file.
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