下列哪些选项是国际学术会议的开场语句？（） A: AI am very pleased to have this opportunity to.... B: BFirst let me express my gratitude C: CNow after a short introduction I would like to read to the main part of my paper... D: DThe last part of my report will be devoted to....
下列哪些选项是国际学术会议的开场语句？（） A: AI am very pleased to have this opportunity to.... B: BFirst let me express my gratitude C: CNow after a short introduction I would like to read to the main part of my paper... D: DThe last part of my report will be devoted to....
已知文法G(S)：T→ST’T’→,S T’|εS→(T)|+|bFIRST(S)={ b + ( } FOLLOW(S)={ , ) #}FIRST(T)={ b + (} FOLLOW(T)={ ) } FIRST(T’)={ , ε} FOLLOW(T’)={ ) }预测分析表为 b + , ( ) # S b （1） (2) T ST’ ST’ (3) T’ (4) T’→ ε 完善以上预测分析表（只需填产生式右部）
已知文法G(S)：T→ST’T’→,S T’|εS→(T)|+|bFIRST(S)={ b + ( } FOLLOW(S)={ , ) #}FIRST(T)={ b + (} FOLLOW(T)={ ) } FIRST(T’)={ , ε} FOLLOW(T’)={ ) }预测分析表为 b + , ( ) # S b （1） (2) T ST’ ST’ (3) T’ (4) T’→ ε 完善以上预测分析表（只需填产生式右部）
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