[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fUceZ3OcCdqp8isfeZhHMQtDHMY4KOeYQP7QsqrsHqDQ":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-05-14 12:40:06",143458754,[8,9,10,11],"S->aSd|T, T->bcT|bc","S->aSd|T, T->bTc|bc","S->AB|B, A->aAd|ε, B->bBc|bc","S->Abc|A, A->aAd|ε",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},13,"3064ac26b67b2d44d98cc57e9cb9c3e7","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5627df5906ca4cdcc8937d46f88d8430.png","编译原理","work_35000009","第二章","设有文法G,满足L(G)={|i≥0且j≥1}的正确文法G为( )",[21,32,35,44,53,59,68,75,84,93],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],143458753,[25,26,27,28],"9","6","18","27","设定义在字母表{a,b,c,x,y,z}上的正规式r=(a|b|c)(x|y|z),则L(r)中元素有( )个","v1",0,{"answer":33,"createTime":5,"id":6,"options":34,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":30,"type":31},[],143458755,[39,40,41,42],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8961d9796c0b5e7a177b32e4cb8d7279.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F885b0ef55dd4205d551538595f25d1fa.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3f366534d2e189ebff23f75f73f824fd.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F33940994b05abe1e56861a670ce39d62.webp\">","设有文法G: S->bS|aA|ε A->bA|aC C->bCaS|a 下列符号串是L(G)中的元素是( )",{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":30,"type":31},[],143458756,[48,49,50,51],"{0}{0|1}*{1}","{0|1}*{01011}U{0|1}*","{11}{0 |1}*{11}U{11|111}","{00|01|10|11}*","以下哪个表示:所有以0开头,以1结尾的串的语言( )",{"answer":54,"createTime":5,"id":55,"options":56,"question":58,"source":30,"type":31},[],143458757,[48,49,51,57],"{11}{0|1}*{11}U{11|111}","以下哪个表示:所有长度为偶数的串的语言( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],143458758,[63,64,65,66],"L = { \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fefa55f148c0eb2f8446b21ed0fc42247.png\">| n>0 }","L = { \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fefa55f148c0eb2f8446b21ed0fc42247.png\"> | n≥0 }","L = { \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4fdb90464a8a9522f39795b5376f7421.webp\">| n>0 }","L = { a,b }*","文法: S → aS S → bS S → ε 产生的语言是什么( )",{"answer":69,"createTime":5,"id":70,"options":71,"question":74,"source":30,"type":31},[],143458759,[72,63,66,73],"L = { \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fefa55f148c0eb2f8446b21ed0fc42247.png\">| n≥0 }","L = { \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F87c92d5151205ee76817f5d6ced83cce.png\">| n>0 }","文法: S → aSb S → ab 产生的语言是什么( )",{"answer":76,"createTime":5,"id":77,"options":78,"question":83,"source":30,"type":31},[],143458760,[79,80,81,82],"E⇒E*E⇒E+E*E⇒i+E*E⇒i+E*i⇒i+i*i","E⇒E+E⇒E+E*E⇒E+E*i⇒E+i*i⇒i+i*i","E⇒E*E⇒E+E*E⇒E+E*i⇒E+i*i⇒i+i*i","E⇒E+E⇒i+E⇒i+E*E⇒i+i*E⇒i+i*i","下列文法: E → E + E E → E * E E → ( E ) E → i 对于串 i+i*i 的最右推导过程是( )",{"answer":85,"createTime":5,"id":86,"options":87,"question":92,"source":30,"type":31},[],143458761,[88,89,90,91],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1dc69a909d4c62708a66f265d60a8d5e.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F79e06810af04cf097350d6ebb9130813.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F6510b70fd6c8c3e2f9ba40af5f80c60a.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5c8006910c90517882c2f6301930505e.png\">","文法G:S → x xS | y 所产生的语言是( )",{"answer":94,"createTime":5,"id":95,"options":96,"question":101,"source":30,"type":31},[],143458762,[97,98,99,100],"ε","aa","a","ab","下列符号串不可以由符号集S={a,b}上的正则闭包运算产生的是( )"]