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y--£»

} while (--y)£» printf(\}

A) -1 B) 1 C) 8 D) 0 &&H&& A B C D

&&D&& D

*19¡¢C

ÔËÐÐÒÔϳÌÐòºó£¬Èç¹û´Ó¼üÅÌÉÏÊäÈ룺65 14<»Ø³µ>£¬ÔòÊä³ö½á¹ûΪ( main( ) {

int m, n;

printf(\ scanf(\ while (m != n) { while (m > n) { m -= n; }

while (n > m) { n -= m; } }

printf(\}

A) m=3 B) m=2 C) m=1 D) m=0 &&H&& A B C D

&&D&& C

*20¡¢D

ÏÂÃæ³ÌÐòµÄÊä³ö½á¹ûÊÇ( )¡£ main( ) {

int x = 10, y = 10, i;

)¡£ for(i = 0; x > 8; y = ++i) {

printf(\ } }

A) 10 1 9 2 B) 9 8 7 6 C) 10 9 9 0 D) 10 10 9 1 &&H&& A B C D

&&D&& D

*21¡¢A

ÏÂÃæ³ÌÐòµÄÊä³ö½á¹ûÊÇ( )¡£ main( ) {

int n = 4; while (n--) {

printf(\ } }

A) 2 0 B) 3 1 C) 3 2 1 D) 2 1 0 &&H&& A B C D

&&D&& A

*22¡¢A

ÏÂÃæ³ÌÐòµÄÊä³ö½á¹ûÊÇ( )¡£ main( ) {

int i;

for(i = 1; i < 6; i++) { if (i % 2) {

printf(\ continue; }

printf(\ }

printf(\}

A) #*#*# B) ##### C) ***** D) *#*#* &&H&& A B C D

&&D&& A

*23¡¢B

ÓÐÒÔϳÌÐò¶Î: s = 1.0;

for(k = 1; k <= n; k++) {

s = s + 1.0 / (k * (k + 1)); }

printf(\

ÇëÌî¿Õ,ʹÏÂÃæµÄ³ÌÐò¶ÎµÄ¹¦ÄÜÍêÈ«ÓëÖ®µÈͬ¡£ s = 0.0; d = 1.0; k = 0; do {

s = s + d; _________;

d = 1.0 / (k * (k + 1)); } while(_________); printf(\ A) k++ k

B) k=k+1 k<=n C) d+=1 k>n D) n=n+1 k<=n &&H&& A B C D

&&D&& B

*24¡¢C

ÔËÐÐÒÔϳÌÐòºó£¬Èç¹û´Ó¼üÅÌÉÏÊäÈë4 6 8 12 -9 58 2 -1<»Ø³µ>£¬ÔòÊä³ö½á¹ûΪ( )¡£ main( ) {

int x, i, m; do {

scanf(\ } while (x < 0 && x != -1); m = x;

while (x != -1) {

scanf(\ if (x > 0 && x > m) { m = x; } }

if (m != -1) {

printf(\ } }

A) m=-9 B) m=2 C) m=58 D) m=-1 &&H&& A B C D

&&D&& C

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