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【判断题】
电压源可以等效转换为一个理想的电流源和一个电阻的并联,电流源可以等效转换为一个理想电压源和一个电阻的串联。A.
正确
B.
错误
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举一反三
【简答题】试 分析下面各程序段的时间复杂度。 for (i=0; i for (j=0; j a [i][j]=0;
【多选题】爱国主义的内涵包括( )
A.
体现了人民群众对自己祖国的深厚感情
B.
反映了个人对祖国的依存关系
C.
是人们对自己故土家园、种族和文化的归属感、认同感、尊严感与荣誉感的统一
D.
调节个人与祖国之间关系的道德要求、政治原则和法律规范
【单选题】试分析下面各程序段的时间复杂度。 for (i=0; i for (j=0; j a[i][j]=0;
A.
O(m*n)
B.
O(n)
C.
O(m)
D.
O(1)
【简答题】下列程序段的输出结果为______。 Check = True: a = 1 Do a = a + 1 Check = Check + 1 Loop While a ＜ 10 print Check
【单选题】Which of the following is true about the commodity trading?
A.
When commodity prices are falling, natural-resource firms loses money.
B.
Stock funds benefit when commodity prices rise.
C.
Individual investors should hold on to a commodities fund when they have decided upon it.
D.
Market performances of the stock funds and the commodities they have invested in are not necessarily the same.
【单选题】The word 'custom' in this passage most probably means
A.
the concept of the true and the false of a society
B.
the independently developed social orders
C.
the adjustment of the individual to the new social environment
D.
the patterns and standards of behavior. of a community
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