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1、*-------------------------------------------------------*【程序设计】*-------------------------------------------------------*题目：计算机等级考试数据表为STUDENT.DBF,凡笔试和上机成绩*均达到80分以上者,应在等级字段中填入"优秀"字样。*请用DOWHILE...ENDDO语句编写。*请按照题目要求，在下面编写程序代码。*-------------------------------------------------------SETTALKONSET
2、LOGERRORSONCLEAR**********Program********************End**********CLOSEDATASETLOGERRORSOFFSETTALKOFF答案：----------------------USESTUDENTDOWHILE.NOT.EOF()IF笔试>=80.AND.上机>=80REPL等级WITH"优秀"ENDIFSKIPENDDLIST*-------------------------------------------------------*【程序设计】*-------------------------
3、------------------------------*-------------------------------------------------------*【程序改错】*-------------------------------------------------------*题目:已有数据库djks.dbf。请编写程序modi1.PRG，在程序中首*先通过复制djks.dbf生成一个具有考号、姓名、笔试及上*机四个字段的数据库文件aaa.dbf(只有结构)，然后再修改urbanarea2.5.2YibincityinYibincity,accordin
4、gtoresourceandenvironmentcharacteristicsUrbanpopulationandurbanspatialdistribution,spatialdistributionofindustries,majorinfrastructureCorridorlayout,combinedwiththefuturedevelopmenttrendofsyntheticjudgments,planning,urbanspatialstructureofurbansystemcanbesummarizedas:"apolealongthetwoaxes".
5、"A"referstothemetropolitanareaalongtheYangtzeRiver,isthecoreareaofthedevelopmentofthecity.PlanstobuildfortheYangtzeRivereconomicbeltonthepillar,advancingalongthe...GuangheRiver,Yiliang,prestigeoftheexternalcohesionofzhaotong,Yunnan,internalconnectingYibincitytotheNorth.TheSichuan-Yunnan-Gui
6、zhouborderareaofYibin,inthecityofzhaotong,liupanshuithree,zhaotongcity,themostpopulousandmostextensiveregions,themosteconomicallybackward,totheNorthinWumengmountainareaofyanjin,shuifu,suijiangcountiesradiationpowerisrelativelyweak.Yibincityandinfrastructureinsuchareasshouldbestrengthenedand
7、docking,extendingsouthwardtopublicservices,promotethedevelopmentofmineralresourcesinNortheastYunnan,expandoureconomichinterland,drivingsynchronousliftinginSichuan-Yunnan-Guizhouborderarea.Thisurbanaxiswithmineralresourceadvantages,focusonthedevelopmentof
