21. Among the following words only“________ ” expresses the property of elevation. ( )
A. lust
B. criticize
C. knight
D. silly
22. Which of the following is NOT one of the main functions of context? （　�。�
A. Elimination of ambiguity.
B. Indication for referents.
C. Understanding of cultural background.
D. Provision of clues for inferring word-meaning.
23. Which of the following is NOT a context clue? （　　）
A. Definition.
B. Example.
C. Synonymy.
D. Sentence structure.
24. The sentence “The ball was attractive” is ambiguous due to_______________. （　�。�
A. grammatical structure
B. lexical context
C. homonymy
D. polysemy
25. Which of the following is one of the characteristics of idioms? （　�。�
A. Semantic unity.
B. Lexical manipulation.
C. Phonetic unity.
D. Structural variation.
26. Which of the following is NOT one of the rhetoric characteristics of idioms in general?（　�。�
A. Stylistic features.
B. Syntactical features.
C. Rhetorical features.
D. Occasional variations.
27. The idiom “bed of dust” is a ___________ as far as figures of speech are concerned. （　�。�
A. simile
B. metaphor外語學(xué)習(xí)網(wǎng)
C. metonymy
D. personification
28. Collins COBUILD English Language Dictionary is a(n) _____________ dictionary. （　　）
A. unabridged
B. desk
C. pocket
D. encyclopedic
29. When we choose a dictionary, we should not pay attention to whether it is _____________. （　�。�
A. monolingual or bilingual
B. general or specialized
C. early or late
D. unabridged or abridged
30. Readers will usually find in a general dictionary the following areas of information of a word EXCEPT _______________ . （　　）
A. spelling
B. definition
C. pronunciation
D. difference with its synonyms