【程序】
STORE“—123.”TO x
STORE“45” TO y
STORE“A45” TO z
? VAL(x+ y),VAL(x+ z),VAL(z+ y)
VAL(x+ y)的输出结果为 ______。
A. 123
B. -123
C. -123.4
D. -123.45
查看答案
【程序说明】程序功能是比较从键盘输入的若干个数的大小,并输出其中的最大和最小值。
【程序】
SET TALK OFF
CLEA
INPUT“M=” TO M
(4)
DO WHILE .T.
INPUT“N=” TO N
(5)
D=N
ENDIF
IF X>N
(6)
ENDIF
YN=“A”
(7)
WAIT“是否继续输入(Y—继续/N—结束)”TO YN
ENDDO
(8)
EXIT
ENDIF
ENDDO
?“最大的数是:”,D
?“最小的数是:”,X
SET TALK ON
(4)
A. STORE M,0 TO D,X
B. STORE 0 TO D,X
C. STORE M TO D,X
D. STORE 0,0 TO D,X
More football fans are expected to attend the matches in Germany 2006 than did in France 1998.
A. Y
B. N
C. NG
【程序】
SET TALK OFF
N=325
X=“ABCDEFGHIJ”
Y=“甲乙丙丁戊已.”
NC=ALLTRIM(STR(N,6))
L=LEN(NC)
N2=2*L-1
NN="
K=1
DO WHILE K<=L
N1=INT(VAL(SUBSTR(NC,K,1))* 2+1)
NN=NN+SUBSTR(X,N1,1)
NN=NN+SUBSTR(Y,N2,2)
? N1,N2,NN
N2=N2-2
K=K+1
ENDDO
? K
SET TALK ON
第一次输出结果为 ______。
A. 7 4G 甲
B. 7 5G乙
C. 7 5G 丙
D. 7 4G乙
A.DO WHILE UPPER (YN)<>“Y”B.DO WHILE UPPER(YN)<>“N”C.DO WHILE UPPER(YN)<>“Y” OR UPPER(Y
A. DO WHILE UPPER (YN)<>“Y”
B. DO WHILE UPPER(YN)<>“N”
C. DO WHILE UPPER(YN)<>“Y” OR UPPER(YN)<>“N”
DO WHILE UPPER(YN)<>“Y” AND UPPER(YN)<>“N”