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【单选题】
处于谐振状态的RLC交流串联电路，当电源频率升高时，则电路将呈现（ ）。A.
电阻性
B.
电感性
C.
电容性
D.
不确定
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【简答题】钢筋的强度是指钢筋的 强度和 强度。钢筋的 强度是设计计算时的主要依据 。
【单选题】以下for语句构成的循环执行了( )次。 #define N 2 #define M N+1 #define NUM (M+1)*M/2 main() { int i,n=0; for(i=1;i<=NUM;i++) {n++;printf("%d",n);} printf("\n"); }
A.
5
B.
6
C.
8
D.
9
【简答题】以下for语句构成的循环执行了( )次。
# include #define N 1
#define M N+1
#define NUM (M+1)*M/2
main( )
{int i,n=0;
for (i=1;i<=num;i++) n++; printf("%d",NUM); }A. 5 B. 6 C. 3 D. 9
【单选题】Talk to those people who first saw films when they were silent, and they will tell you the experience was magic. The silent film had extraordinary powers to draw members of an audience into the story,...
A.
music was the most important element of silent films
B.
silent films rely on a combination of music and image in affecting an audience
C.
the importance of music in silent film has been overestimated
D.
live music compensated for the poor quality of silent film images
【单选题】Task 1 Directions: After reading the following passage, you will find 5 questions or unfinished statements, numbered 36 through 40. For each question or statement there are 4 choices marked A, B, C, a...
A.
people do all their work by telephone
B.
employees wear nightclothes while working
C.
people do their work outside companies
D.
employees communicate with each other
【单选题】以下for语句构成的循环执行了()次。 # include # define N 2 # define M N+1 # define NUM(M+1)*M/2 main() {int i , n=0; for(i=1;i<=NUM;i++) {n++; printf("%d",n); } printf("\n"); }
A.
5
B.
6
C.
9
D.
8
【单选题】以下for语句构成的循环执行了（）次。 #include #defineNi #defineMN+1 #defineNUM（M+1）*M/2 main（） {inti，n=0； for（i=1；i<=num；i++） {n++； printf（"%d"，n）； }}
A.
5
B.
6
C.
8
D.
9
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