سوال ۹ کنکور ارشد مهندسی کامپیوتر ۱۴۰۲

Read the following passage and decide which choice best fits the blank.

Teachers play various roles in a typical classroom, but surely one of the most important concerns effective teaching and learning. Effective teaching and learning cannot take place in (9) __________. If students are disorderly and disrespectful, and no apparent rules and procedures guide behavior, chaos becomes the norm. In these situations, both teachers and students suffer. Teachers struggle to teach, and students most likely learn much less than they normally would.