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【单选题】
如果三相异步电动机三相绕组首尾相连，这种接线方式称为()A.
单相连接
B.
三角形连接
C.
星形连接
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举一反三
【简答题】下面程序段的运行结果是()。 DO 1 I=1,10,2 1K=K+1 PRINT *,K END (A) 10 (B) 8 (C) 6 (D) 5
【判断题】下列输出语句中正确的是 。A) print*, (a(k,j),k=1,3,j=1,3)B) print*, a(k,j),k=1,3,j=1,3)C) print*, ((a(k,j),k=1,3),j=1,3)D) print*, (a(k,j),k=1,3),j=1,3A. 写法不正确B. 写法不正确C. 正确D. 写法不正确
A.
正确
B.
错误
【单选题】下述循环的循环次数是: k=2; while(k): print( “%d”,k); k-=1; print(“\n”);
A.
无限次
B.
0 次
C.
1 次
D.
2 次
【单选题】下列Visual Basic程序段运行时输出的结果是( ) For k=1 to 3 If k<=1 Then a=3 If k<=2 Then a=2 If k<=3 Then a=1 Print a; Next Print k
A.
1 1 1 4
B.
3 2 1 4
C.
3 3 3 3
D.
1 2 3 4
【单选题】Why does Anna want to improve English?
A.
To get a promotion soon.
B.
To communicate with her customers better.
C.
To make friends with British people.
D.
To make use of her spare time.
【单选题】下列程序段的执行结果为 a=5 For k=1 To 0 a=a * k Next k Print k；a
A.
-1 6
B.
-1 16
C.
1 5
D.
11 21
【单选题】Why does Tina want to travel alone?
A.
Because she doesn't have a boyfriend
B.
Because she wants to be more independent
C.
Because she doesn't like travelling with others
【单选题】Why does John Want to buy bicycle?
A.
To replace his stolen bicycle.
B.
To begin bicycling to work.
C.
To join a bicycle club.
D.
To train for a bicycle race.
【单选题】Why does John want to buy a bicycle?
A.
To replace his stolen bicycle.
B.
To begin bicycling to work.
C.
To join a bicycle club.
D.
To train for a bicycle race.
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