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1.ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ( )
A.Do LoopÓï¾äºÍForÓï¾ä½á¹¹Ïàͬ
B.Do LoopÓï¾äÏÈÖ´ÐÐÒ»´ÎÑ»·Ìå,ÈôÌõ¼þÎªÕæ,Ôò¼ÌÐøÖ´ÐÐÑ»·Ì岿·Ö C.Do LoopÓï¾äÿ´Î¿ªÊ¼Ö´ÐÐÑ»·Ìåǰ,¶¼ÒªÅжÏÌõ¼þÊÇ·ñÎªÕæ
D.Do LoopÓï¾äÿ´Î¿ªÊ¼Ö´ÐÐÑ»·Ìå֮ǰ,¶¼ÒªÅжÏÌõ¼þÊÇ·ñΪ¼Ù,ÕâÑùÖØ¸´Ö´ÐÐ,Ò»Ö±µ½Ìõ¼þÎªÕæÊ±,¾ÍÌø¹ýÑ»·Ì岿·Ö ´ð°¸:B
2.ÏÂÁи³ÖµÓï¾ä´íÎóµÄÊÇ( ) A.i=i-1
2
B.m=m+1 C.k D.x+y=a ´ð°¸:D
3.ÔÚÈçͼËùʾµÄËã·¨¿òͼÖÐ,µÚ3¸öÊä³öµÄÊýÊÇ( )
-
A.1 B C.2 D
½âÎö:µÚÒ»´ÎÑ»·,Êä³öA=1,N=2;
µÚ¶þ´ÎÑ»·,A=1 Êä³öA
¡¡
¹ÊµÚ3¸öÊä³öµÄÊýÊÇ2. ´ð°¸:C
4.ÏÂÃæÊÇÇó56¸öÊýµÄƽ¾ùÊýµÄ»ù±¾Óï¾ä,ÔÚºáÏßÉÏÓ¦ÌîдµÄÄÚÈÝΪ( ) S=0
For i=1 To ÊäÈëxi S=S+xi Next a=S/56
Êä³ö A.56,a B.56,S
µÚÈý´ÎÑ»·,A Êä³öA=2,N=4;
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C.57,a-1 D.57,S-1
½âÎö:ÓÉÓÚÊÇÇó56¸öÊýµÄƽ¾ùÊý,Òò´ËÑ»·±äÁ¿µÄÖÕÖµÊÇ56,Êä³öµÄÊÇÕâ56¸öÊýµÄƽ¾ùÊýa. ´ð°¸:A
5.Ö´ÐÐÈçͼËùʾµÄËã·¨¿òͼ,ÈôÊäÈëµÄa,b,k·Ö±ðΪ1,2,3,ÔòÊä³öµÄM=( )
A
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¡Ü3,M
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6.³ÌÐò¿òͼÈçͼËùʾ,ÈôÊä³öµÄy=0,ÔòÊäÈëµÄxΪ( )
Ëã·¨½áÊø,Êä³öM
A.-3,0 C.0,-5
µ±y=0ʱ,Ò×ÇóµÃx=-3»òx=0. ½âÎö:ÓɳÌÐò¿òͼ¿ÉÖª,´Ë¿òͼ±íʾ·Ö¶Îº¯ÊýÇóÖµ,y
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7.Ö´ÐÐÏÂÃæµÄËã·¨Óï¾ä,Êä³öµÄ½á¹ûΪ( ) x=20
If x>=10 Then Value=5*x Else
Value=4*x End If
Êä³öValue A.100 B.80 C.60 D.20 ½âÎö:ÓÉËã·¨Óï¾ä¿ÉÖª,µ±x=20ʱ,Value=5¡Á20=100. ´ð°¸:A
8.Ö´ÐÐÒÔÏÂËã·¨Óï¾äʱ,Ö´ÐÐÑ»·ÌåµÄ´ÎÊýÊÇ( ) i=1 Do i=i+1
2
B.-3,-5
D.-3,0,-5
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i=i*i Loop While i<10 Êä³öi
A.2 B.10 C.11 D.8 ½âÎö:i=1,µÚÒ»´ÎÖ´ÐÐÑ»·Ìå,
i=i+1=2, i=i¡¤i=4,
i=4<10,³ÉÁ¢.
µÚ¶þ´ÎÖ´ÐÐÑ»·Ìå i=i+1=5, i=i¡¤i=25,
i=25<10,²»³ÉÁ¢,
Í˳öÑ»·,¹²Ö´ÐÐÁË2´ÎÑ»·Ìå. ´ð°¸:A
9.Ö´ÐÐÏÂÃæµÄËã·¨¿òͼ,Èç¹ûÊäÈëµÄx,t¾ùΪ2,ÄÇôÊä³öµÄS=( )
A.4 B.5 C.6 D.7 ½âÎö:µÚÒ»´Î:1¡Ü2³ÉÁ¢,M=2,S=5,k=2;
µÚ¶þ´Î:2¡Ü2³ÉÁ¢,M=2,S=7,k=3; µÚÈý´Î:3¡Ü2²»³ÉÁ¢,Êä³öS=7. ¹ÊÊä³öµÄS=7. ´ð°¸:D
10.Ö´ÐÐÁ½´ÎÈçͼËùʾµÄËã·¨¿òͼ,ÈôµÚÒ»´ÎÊäÈëµÄaµÄֵΪ-1.2,µÚ¶þ´ÎÊäÈëµÄaµÄֵΪ1.2,ÔòµÚÒ»´Î¡¢µÚ¶þ´ÎÊä³öaµÄÖµ·Ö±ðΪ( )
A.0.2,0.2 B.0.2,0.8 C.0.8,0.2 D.0.8,0.8
½âÎö:µÚÒ»´Î:a=-1.2<0,a=-1.2+1=-0.2,-0.2<0,a=-0.2+1=0.8>0,a=0.8¡Ý1²»³ÉÁ¢,Êä³ö0.8.
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µÚ¶þ´Î:a=1.2<0²»³ÉÁ¢,a=1.2¡Ý1³ÉÁ¢,a=1.2-1=0.2¡Ý1²»³ÉÁ¢,Êä³ö0.2. ´ð°¸:C
11.Ö´ÐÐÈçͼËùʾµÄËã·¨¿òͼ,ÈôÊä³öµÄֵΪ4,ÔòPµÄȡֵ·¶Î§ÊÇ( )
A
B
C
D
½âÎö:¸ù¾ÝËã·¨¿òͼ,µÚÒ»´ÎÑ»·,S
µÚ¶þ´ÎÑ»·,S µÚÈý´ÎÑ»·,S
¶øÊä³öµÄnֵΪ4,¹ÊPµÄȡֵ·¶Î§Îª
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12.ÈçͼÊÇijËã·¨¿òͼ,ÈôÊä³öµÄyÖµÊÇ4,ÔòÊäÈëµÄxÖµ¿ÉÒÔÊÇ( A.1 B.2
C.3 D.4
½âÎö:Ëã·¨¿òͼÖк¬ÓÐÑ¡Ôñ½á¹¹,Æä±¾ÖÊÊÇÇóÒ»¸ö·Ö¶Îº¯ÊýµÄÖµ,
¼´Çóº¯Êýy - µÄº¯ÊýÖµ.
2
µ±x¡Ü2ʱ,Áîx=4,½âµÃx=¡À2;
µ±2
4
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