A: language
B: Sentence
pattern
C: Sentence
D: Handle
举一反三
- In top-down grammatical analysis, analysis should start from ()。 A: sentence<br/>pattern B: sentence C: grammar start symbol D: handle
- A context-free grammar G consists of four parts: a group of nonterminals, a group of terminals, a start symbol, and a group of (). A: sentence B: sentence pattern C: word D: Production
- Among<br/>the four formal language grammars, type-1 grammar is also called ()<br/>grammar. A: Phrase structure grammar B: Context-free grammar C: Context-related grammar D: Regular grammar
- Given a grammar A→bA|ca, the grammar sentence is( )。 A: bba B: cab C: bca D: cba
- In English grammar, a prepositional phrase modifies an adjective in a sentence。（ ）
内容
- 0
Helping children to summarize the grammar rules from the examples is a necessary step to teach grammar in primary schools.
- 1
The language described by a grammar is (); the grammar described by a language is () A: Unique B: Not unique C: Possibly unique D: Possibly not<br/>unique
- 2
Generally<br/>speaking, grammar can be divided into theoretical grammar and<br/>pedagogical grammar. Besides, there seems to be a shift from<br/>prescriptive grammar to descriptive grammar in terms of teaching<br/>grammar. ( <br/>)
- 3
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
- 4
Grammar: True or False (10 points, 1 points for each)Read the following sentence and decide whether it isTrue or False.Abbreviations (such as WHO, edu, gov) and symbols (such as &, +, =) make note-taking harder and slower.