Principles of effective commucation

This document provides a summary of 9 multiple choice questions about effective communication. For each question, the document provides the correct answer choice and a brief explanation. The overall content covers best practices for formal letters, job interviews, public speaking, listening, note taking, proofreading, and responding during interviews. The key lessons are that emoticons should be avoided in formal letters, maintaining eye contact and asking open questions makes a good impression in interviews, and it's important to listen actively, take relevant notes, check work for errors, and allow the interviewer to finish speaking before answering.