火车上采煤样,应下挖深度为()
A.0.5m;
B.0.4m;
C.0.6m;
D.0.2m
参考答案:B
茶芽(新梢)轮次(Shoot verticil)
()is defined as the study of the relationship between language and mind.
A. Semantics
B. Pragmatics
C. Cognitive linguistics
D. Sociolinguistics