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【简答题】
乙类推挽功率放大电路的 较高,在理想情况下可达 %,但这种电路会产生一种被称为 失真的特有的非线性失真现象,为了消除这种失真,应当使推挽功率放大电路工作在 类状态。
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【单选题】In the parents' view, entry to a good university depends upon
A.
having some early art training.
B.
attending the best primary and middle schools.
C.
getting a good job.
D.
the parents' prestige and position.
【单选题】Do you feel like __________ today?
A.
having something eaten
B.
having something to eat
C.
to have something eaten
D.
to have something to eat
【单选题】I meant______the matter with you, but I had some guests then.
A.
discuss
B.
discussing
C.
having discussed
D.
to have discussed
【多选题】若有如下程序段,则能表示数组a的元素的是( )。 int a[12]={0}, *p[3], **pp, i; for ( i = 0; i < 3; i ++ ) p[i]=& a[i * 4]; pp=p;
A.
a[12]
B.
p[2][3]
C.
a[10]
D.
pp[0][1]
【单选题】若有如下函数定义: int fun() { static int k=0; return ++k; } 以下程序段运行后屏幕输出为( ) int i; for(i=1;i<=5;i++) fun(); printf("%d",fun());
A.
0
B.
1
C.
5
D.
6
【简答题】有如下程序段: int total = 0; for ( int i = 0; i < 4; i++ ){ total +=i; } System.out.println(total); System.out.println(i); 则输出 total 的值为:( ___________) ; 输出 i 的值为:( _____________) 。 若将 for ( int i=0; i <...
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