Skip to content
KitWren
toeflTOEFL preparation courseListeningListeningabout 20 min

Academic talks

Academic talks: follow a short lecture’s topic, main points, examples and the speaker’s conclusion.

In this lesson you will

  • Identify the topic and main points
  • Connect examples to the points they support
  • Understand the speaker’s conclusion

Learn

Academic talks introduce a topic, explain key points, give examples, and often end with a conclusion or implication.

Topic: usually in the first 15 seconds: Today we’re going to look at…

Examples support points — questions often ask Why does the professor mention X? Link each example to its point in your notes.

Conclusions: So what this tells us is…, The key takeaway… — often tested.

Examples

  • Topic: “Today, let’s talk about why some deserts are expanding.”
  • Example: “Take the Sahel region…” → supports the point about overgrazing.
  • Conclusion: “So desertification is as much human as natural.”

Vocabulary

desertification

land becoming desert

overgrazing

animals eating too much vegetation

takeaway

the key point to remember

implication

a likely consequence

vegetation

plants

Practice

1 / 6

The topic is usually given…

Listening: A talk on why some deserts are expanding

Audio isn’t available in this browser — read the transcript instead.

Today we’ll look at desertification — the process by which dry land becomes desert.

There are natural causes, such as long droughts. But human activity plays a major role too.

One factor is overgrazing. When too many animals feed on the same land, plants can’t recover, and without roots the soil blows away.

Take the Sahel, south of the Sahara. In some areas, growing herds and repeated droughts together removed much of the vegetation.

The encouraging part is that it can be reversed. Farmers who protect young trees and rotate grazing areas have restored land in several places.

So the takeaway is that desertification is not just a natural disaster — it’s something human choices can make worse or better.

1.What is the talk mainly about?

2.Why does the professor mention the Sahel?

3.How does overgrazing cause damage?

4.What is the professor’s conclusion?

5.The professor says desertification cannot be reversed.

Lesson quiz

1 / 4

Complete the sentence.

Land becoming desert = .

Review

Key points

  • Topic early.
  • Main points + examples.
  • Link examples to points.
  • Listen for the conclusion.

What you learned

  • ✓ I follow academic talks.
  • ✓ I understand why examples are used.
  • ✓ I catch conclusions.

KitWren is independent and not affiliated with ETS. This is original practice written by KitWren, modelled on the task types introduced in January 2026; it is not official TOEFL material. Any score shown is an educational estimate — not an official TOEFL score. Check ets.org for the current test format.