武汉市历年信息技术奥赛试题及答案

1、武汉06年比赛1.填空、画一朵紫荆花TO HU :N :RREPEAT :NRT (5) FD :R*3.14/36 RT (5) WAIT 1 ENDTO HUABANHU 7 40*2REPEAT (3)HU 18 10*2 LT (180) RT 180HU 7 40*2LT (320)ENDTO HUAREPEAT 5(HUABAN) WAIT 100 RT 72END1.图形特点:由2个九次弧+3个半圆组成一个花瓣。2.由5个花瓣组成紫荆花。3.A花瓣的终点与B花瓣的起点相重合.B花瓣的终点与C花瓣的起点相重合.，并有交叉线.4.原题HUABAN最后一句应使用LT320或RT40,使

2、终点海龟还原向上才能画出与题目图形相同的紫荆花2.一列从右向左开动的火车TO CFX :A :B REPEAT 2FD :A RT (90 ) FD :B RT 90 ENDTO YUAN REPEAT 36RT 5 FD 18*3.14/18 RT 5ENDTO HCT CFX 60 180 FD 60 RT 90 FD 30 LT 90 CFX 35 20 FD 35 LT 90 FD 8 RT 90 CFX 5 36 PU BK 95 LT 90 FD 25 RT 180 PD REPEAT 4FD 40 (YUAN) BK 159 LT 90 LT 135 FD 30 RT 45 FD

3、 15 BK 15 LT 45 BK 30 RT 135ENDTO DONG HCT (WAIT 10) (CLEAN) LT 90 FD 10 RT 90 PD ENDTO Z CS HT REPEAT 30(DONG)END武汉赛051.填空。画出右面的小风车TO CFXREPEAT( 2 )FD 20 RT 90 (FD 70) RT 90END TO ZHUIREPEAT 6(CFX) RT 360/6(HT)END2. 画出钟面TO ZFXREPEAT 4FD 100 (RT 90)ENDTO YUANREPEAT (36) RT 5 FD 50*0.174 RT 5ENDTO 12

4、XIANREPEAT 12PU FD 45 PD FD 4 PU BK 49 RT (360/12) PDENDTO ZFD 40ENDTO XYUANREPEAT 36FD 3 BK 3 RT 20ENDTO ZHCS ZFXFD 50 (YUAN)PU RT 90 FD 50 LT 90 PD(XYUAN)(12XIAN)(Z)END3.画三个菱形TO LXREPEAT (2 )FD 40 RT 60 FD 40 RT (180-60 )ENDTO SLHT LT (30)REPEAT (3)LX RT (120)END4.画一个只要秒针走的时钟TO ZFX2REPEAT 4FD 100

5、RT 90ENDTO YUAN2REPEAT 36RT 5 FD 50*0.174 RT 5ENDTO 12XIAN2REPEAT 12PU FD 45 PD FD 4 PU BK 49 RT 360/12 PDENDTO Z2FD 40ENDTO XYUAN2REPEAT 36FD 3 BK 3 RT 10ENDTO ZHU1CS ZFX2FD 50 (YUAN2)PU RT 90 FD 50 LT 90 PD 12XIAN2(XYUAN2)Z2ENDTO ZHU2Z WAIT 10 PE BK 40PD XYUAN2RT 360/60 PD(ZHU2)ENDTO ZH2(ZHU1)PU B

6、K 40 PD ZHU2END武汉赛03预赛填空画图题一TO DAYREPEAT 36FD 10*3.14/18 LT 10ENDTO XYREPEAT 36FD 7*3.14/18 RT 10ENDTO ZFXREPEAT 4FD 20 RT 90END TO SJXREPEAT 3FD 20 RT 120END 填空: 先要看懂题目的过程,才能填空人踢球 TO RTQ CS RT 20 ZFX (FD 20) RT 90 FD 10 DAY BK 10 LT 90 BK 20 RT (90 ) FD 10 SJX RT (60) FD 10 SJX FD 10 LT (120) FD 10

7、 SJX RT 30 PU FD 30 LT 90 (PD) XY HT END2.填写被调用的过程名TO CFXREPEAT 2FD 10 RT 90 FD 50 RT 90ENDTO BANYREPEAT 18RT 5 FD 30*3.14/18 RT 5ENDTO XX REPEAT 14FD 30 BK 30 PU RT 90 FD 50/14 LT 90 PDEND TO ZH1 CS (CFX ) FD 10 LT 90 (BANY) LT 90 (CFX) FD 10 RT 90 FD 25 LT 90 FD 20 BK 20 RT 90 FD 25 RT 90 FD 10 LT

8、 90 ( BANY) LT 90 FD 10 (XX ) HTEND3.动画填空有人从山的左下角出发沿着盘山公路绕到了山顶，最后站在山顶上（如图）他先由左向右走，向上登一层，再由右向左走，向上登一层，接着又由左向右走向上登一层.直到山顶。编程序模拟这一过程. 画山路设计:1.号路=300 2.号路=280 3.号路=260. 14.号路=40TO X :NRT 90 FD :NBK :N-10pu LT 90 FD 20 PDENDTO SL :NIF :N40 STOPX :N(SL :N-20)ENDTO XRLT 90 FD 2 RT 90 FD 8RT 90 FD 5 RT 90FD

9、 8 LT 90 FD 2BK 2 RT 90 BK 8 LT 90 BK 6 LT 90REPEAT 4FD 7 RT 90LT 90 BK 1 RT 90 BK 8 LT 90 BK 2 RT 90HTENDTO YZ :NREPEAT :N/10XR WAIT 5 PE ( XR ) PU RT 90 FD 10 LT 90 PDPU SETX XCOR+5 FD 8 PD TT :N PU SETX XCOR-5 BK 8 PDLT 90 FD 10 RT 90FD 20 PDEND TO ZZZ :RREPEAT :R/10XR WAIT 5 PE XR PU LT 90 FD 10

10、 RT 90 PDPU SETX XCOR-30 FD 8 PD TT :R PU SETX XCOR+30 BK 8 PDRT 90 FD 10 LT 90FD 20 PDEND TO XRSS :NIF :N6 STOPXW :BRT 90 FD :B*1.5 LT 90XWP :B+5 :T+1ENDTO TY :TIF :T20 STOPPU FD 200 RT 90 PDSETPC 12 REPEAT 36RT 5 FD 20*0.174 RT 5WAIT 50SETPC 15 REPEAT 36RT 5 FD 20*0.174 RT 5PU LT 90 BK 200 PDRT 9T

11、Y :T+1ENDTO ZCS FS PU SETXY -100 -150PDSETPC 9 XWP 20 1SETXY 30 -150PDLT 90 HT TY 0END甲组决赛1.编程画出房顶和屋檐下的灯笼TO WPREPEAT 15 FD 10 BK 10 REPEAT 18RT 5 FD 14*3.14/18 RT 5LT 180FD 10 BK 10ENDTO QW :TIF :T10 STOPWPPU LT 90 FD 28*15 RT 90 PDPU BK 10 PDQW :T+1ENDTO DLREPEAT 2FD 4 RT 90 FD 8 RT 90FD 4LT 90 REP

12、EAT 18RT 5 FD 8*3.14/18 RT 5LT 90REPEAT 2FD 4 RT 90 FD 8 RT 90FD 4 RT 90 FD 4 LT 90 FD 15 BK 15RT 90 FD 4 RT 90 FD 4 LT 90REPEAT 18RT 5 FD 8*3.14/18 RT 5LT 90 FD 4REPEAT 4 FD 8 BK 8 RT 90 FD 2 LT 90FD 8 BK 8 RT 180ENDTO DLPREPEAT 15DL PU RT 90 FD 28 LT 90 PDENDTO ZZCS FS SETPC 0 PD PU SETXY -200 100

13、PD QW 1PU BK 20 PD PU SETX XCOR+7 PDsetpc 12 DLP HTEND2.*编一程序模拟火箭升空要求是: 在屏幕的左下角出现开始飞行的火箭,向右上角飞去.远去的火箭看上去越来越小.火箭突然爆炸,形成3块小碎片.碎片逐步下落,看上去越来越大.如图请将放在动画部分的本题移到此处。并将在动画部分中的本题删去。武汉赛02年填空1.五星树TO WREPEAT 5FD 20 RT 144ENDTO BWREPEAT 8FD 30 W BK 30 RT 45ENDTO ZCSRT 90 FD 60 BK 120 FD 60LT 90 FD 70 RT 15BW HTEN

14、D填空2.小丑TO SJREPEAT 3FD 60 RT 120ENDTO YREPEAT 36FD (30*0.174) RT 10ENDTO SZREPEAT 4FD 30 BK (30) RT 90ENDTO ZHCS fs RT 30 PDSJ LT 30 PU BK 10 PDY RT 90 PU FD 30 LT 90 BK (60) PDSZ BK 30 RT 30 (BK 60)SJ RT 60 PE FD 60 HT pdEND编程：调用已有的过程画出指定的图形1.画三层抽屉TO CFX :A :BREPEAT 2FD :A RT 90 FD :B RT 90ENDTO H1

15、CFX 40 120PU FD 15 RT 90 FD 30 LT 90 PDCFX 10 60PU LT 90 FD 30 RT 90 BK 15 PDENDTO QHCS FSREPEAT 3H1 FD 40END2.画一朵花TO YUANREPEAT 11RT 5 FD 3.14*60/18 RT 5ENDTO HBYUAN RT 70YUAN RT 70ENDTO HUACSREPEAT 12HB RT 30END按要求完成任务1.海龟在长方形的左下角，请用三组不同的命令分别画出这个长方形TO C1 ;用重复REPEAT 2FD 60 RT 90 FD 120 RT 90ENDTO C

16、2 ;用定位命令SETY 60 SETX 120 SETY 0 SETX 0ENDTO C3 ;画二个正方形STREPEAT 4FD 60 WAIT 20 RT 90REPEAT 4FD 60 WAIT 20 LT 90 ;再画一个正方形WAIT 50 PE SETY 60 SETY 0 PD ;洗去多余的直线ENDTO C4 :T ;用尾递归IF :T2 STOPFD 60 RT 90 FD 120 RT 90C4 :T+1ENDTO C5 :T ;用中递归IF :T1 STOPFD 60 RT 90 FD 120 RT 90C5 :T+1FD 60 RT 90 FD 120 RT 90EN

17、D2、画出玩具小时钟并让中间的长针顺时针方向转动。TO SZCS HTPU FD 100 RT 90 PDREPEAT 36RT 5 FD 100*0.174 RT 5PU LT 90 BK 100 PDREPEAT 12PU FD 80 PD FD 20 PU BK 100 RT 30REPEAT 12PD FD 70 WAIT 100 PE BK 70 RT 30 PD FD 70END3.写程序画出下面的宝塔TO FREPEAT 4FD 20 RT 90ENDTO FP :KREPEAT :KF PU RT 90 FD 20 LT 90 PDENDTO QBT :PIF :P10 STOPFP :PPU LT 90 FD :P*20+10 RT 90 PDPU BK 20 PDQBT :P+1ENDTO FZCS FS STQBT 1PU SETXY -200 60P