Which of the following is NOT a variable of register according to Halliday?
A. Field
B. Tenor
C. Style
D. Mode
分析下列醋酸可的松混悬型滴眼液的处方,并简述制备过程。 【处方】 成分 含量
The style. of "Would you mind going upstairs right away, please?" is______.
A. formal
B. consultative
C. frozen
D. intimate
The fact that different languages have different words for the same object is a good illustration of the______feature of language.
A. duality
B. displacement
C. arbitrariness
D. productivity