LL(k)文法是对LL(1)文法概念的推广,它代表“从左至右分析输入、最左推导和超前查看k个符号即可确定当前应采用的推导”,则 。 A: LL(1)文法都属于LL(2)文法 B: LL(2)文法都属于LL(1)文法 C: LL(2)文法可能二义 D: 以上说法都不对
LL(k)文法是对LL(1)文法概念的推广,它代表“从左至右分析输入、最左推导和超前查看k个符号即可确定当前应采用的推导”,则 。 A: LL(1)文法都属于LL(2)文法 B: LL(2)文法都属于LL(1)文法 C: LL(2)文法可能二义 D: 以上说法都不对
根据平法图集16G101-1规定,剪力墙梁的编号LL2____表示2号连梁有交叉斜筋。____
根据平法图集16G101-1规定,剪力墙梁的编号LL2____表示2号连梁有交叉斜筋。____
I'll be back in half an hour. There are 2 places of linking in this sentence.
I'll be back in half an hour. There are 2 places of linking in this sentence.
I'll take the 2:15 flight back ...... Friday afternoon. A: at B: in C: for D: on
I'll take the 2:15 flight back ...... Friday afternoon. A: at B: in C: for D: on
设文法G[S]为: S→aAcB A→Ab|b B→d 问: 1)该文法是否可改造为LL(1)文法,为什么? 2)若该文法是LL(1)文法,请构造相应的LL(1)分析表。如果不是请改造为LL(1)文法,再构造LL(1)分析表;
设文法G[S]为: S→aAcB A→Ab|b B→d 问: 1)该文法是否可改造为LL(1)文法,为什么? 2)若该文法是LL(1)文法,请构造相应的LL(1)分析表。如果不是请改造为LL(1)文法,再构造LL(1)分析表;
I’ll come at ten, ____________ I’ll be free.
I’ll come at ten, ____________ I’ll be free.
What will these people be doing in a few months() A: They’ll finish their examination. B: They’ll have their Christmas vacation. C: They’ll visit their friends at college. D: They’ll study at a college.
What will these people be doing in a few months() A: They’ll finish their examination. B: They’ll have their Christmas vacation. C: They’ll visit their friends at college. D: They’ll study at a college.
在jQuery中下面哪些创建节点的方式是正确的? A: var $ll=$("") B: var $ll=$("河南科技大学") C: var $ll=$("苹果") D: var $ll=$("") E: var $ll=$("苹果")
在jQuery中下面哪些创建节点的方式是正确的? A: var $ll=$("") B: var $ll=$("河南科技大学") C: var $ll=$("苹果") D: var $ll=$("") E: var $ll=$("苹果")
( )grammar is not LL(1). A: Recursive B: Right recursive C: Type<br/>2 D: With<br/>common left factor
( )grammar is not LL(1). A: Recursive B: Right recursive C: Type<br/>2 D: With<br/>common left factor
下列哪项关于受拉钢筋绑扎搭接长度ll与锚固长度la的关系是正确的()。 A: ll=la B: ll>la C: ll<la D: ll≥la
下列哪项关于受拉钢筋绑扎搭接长度ll与锚固长度la的关系是正确的()。 A: ll=la B: ll>la C: ll<la D: ll≥la