1 Biologya branch of knowledge or study dealing with a body of facts or truths systematically arranged and showing the operation of general laws:the mathematical sciences. 2  Biologysystematic knowledge of the physical or material world gained through observation and experimentation.
Bracha Alpert has identified three different patterns of classroom discourse: (1) silent (the teacher talks almost all the time and asks only an occasional question),(2) controlled (as in the excerpt above), and (3) active (the teacher facilitates while the students talk primarily to each other).
The rate between the number of discourse markers and the total number of words reveals that. studentâs English writing do abound with discourse markers. When teachers teach English writing, some. of them concentrate on spelling mistakes, some on grammatical mistakes, some on writing styles, some on. writing structure.