18) Why were British people less interested in fudges compared to Americans? A) Because they didn’t like the taste of cold food B) Because they thought the weather in Britain was cooler C) Because they couldn’t afford them D) Because they preferred traditional methods of preserving food. 19) When was the polygraph invented? A) 1920 B) 1921 C) 1923 D) 1925. 20) What did the polygraph measure when asking questions? A) Heart rate only B) Breathing only C) Blood pressure only D) Heart rate, breathing, and blood pressure.

Перевод задания: Ответьте на вопросы 18–20, выбрав правильный вариант.

В отрывке, необходимом для ответа на вопросы 18–20, отсутствуют исходные данные. Поэтому достоверно выбрать варианты ответа невозможно.