( )grammar is not LL(1).
A: Recursive
B: Right recursive
C: Type
2
D: With
common left factor
A: Recursive
B: Right recursive
C: Type
2
D: With
common left factor
举一反三
- A<br/>grammar G, if (), is called LL (1) grammar. A: G<br/>contains no left recursion B: G<br/>has no ambiguity C: The LL (1) analysis table of G does not contain multiple definitions D: There is no left common factor in the production of G
- Chomsky divides grammar into four types, namely type 0, type 1, type 2, and type 3. The type 3 grammar is( )。 A: Unrestricted<br/>grammar B: Regular<br/>grammar C: Context-sensitive grammar D: Context-free grammar
- 函数$z=\arcsin\dfrac{1}{~\sqrt{x+y}~}$的定义域为( ) A: $\left\{(x,y)\left|~x+y\geq<br/>0\right.\right\}$; B: $\left\{(x,y)\left|~x+y\geq<br/>1~\text{或}~x+y\leq<br/>-1 \right.\right\}$; C: $\left\{(x,y)\left|~x+y\geq<br/>1\right.\right\}$; D: $\left\{(x,y)\left|~x+y\geq<br/>\dfrac{4}{~\pi^2~}\right.\right\}$．
- When<br/>the mandible moves to the left () A: the<br/>left condyle slides, and the right condyle rotates B: the<br/>left condyle slides, and the right condyle slides C: the<br/>left condyle rotates, and the right condyle rotates D: the<br/>left condyle rotates, and the right condyle slides E: None<br/>of the above is correct
- In<br/>the previous question, by what factor doesthe<br/>pressure of the gas changes?() A: a<br/>factor of 9, B: a<br/>factor of 3, C: a<br/>factor of √3, D: a<br/>factor of 1, E: a<br/>factor of 1/3