TOEFL iBT Listening

Listening — Test 40

6 questions. Answer them all, then submit once for your section score.

TOEFL iBT — TestDayTwin Practice
TOEFL iBT Listening — Test 40 | Question 1 of 600:08:00
Lecture
Accent: American
1.
Lecture

Listen to part of a lecture and answer the question.

Which of the following best expresses the main purpose of the lecture?