【多选题】What are features of formal writing?
B.
highly structured phrases
【多选题】What are features of "antithesis"?
【单选题】制冷系统管路应根据工作性质涂色区别,其中排气管为()。
【单选题】制冷系统管路应根据工作性质涂色区别,其中排气管为()。
【简答题】What are features of the L/C?
【简答题】What are features of Mencken's description?
【简答题】What are features of American romantic literature?
【单选题】制冷系统管路应根据工作性质涂色区别,其中液体管为()。