This document contains 20 sentence equivalence questions from a GRE verbal reasoning practice test. Each question is a sentence with a blank and 6 answer choices. The questions cover topics such as diaries, animal welfare advertising, conclusions from scientific studies, school testing, biographies, negotiations, theatrical productions, teaching styles, reconciling empirical and theoretical concepts, maintaining composure during interviews, adherence to political ideas, effects of noise, discipline, simplifying complex ideas, teaching styles, following unconventional theories, literary interests, book prefaces, being preyed on by charlatans, and following directions. The document concludes by listing the answer choices for each question.