1. What is the lecture mainly about?
- A. Reasons for the collapse of an ancient society in the Sahara
- B. Methods of discovering ancient water sources in the Sahara
- C. The impact of climate changes on early settlements in the Sahara
- D. Attempts to locate the sites of early settlements in the Sahara
2. Why does the professor mention satellite images?
- A. To describe how evidence of human settlement can be found in the desert.
- B. To point out that satellite images can sometimes be misinterpreted.
- C. To emphasize that very few people have ever lived in the Sahara.
- D. To disprove the claim that people always settled near water sources.
3. According to the professor, what did the earliest people in the Sahara do as the climate first began to dry out?
- A. They increased the time they spent on hunting and gathering.
- B. They planted crops that would withstand dry conditions.
- C. they moved out of the area.
- D. They searched for fossil water.
4. What does the more recent rock art indicate about the people living in the Sahara about five thousand years ago?
- A. They had already begun to domesticate animals.
- B. They had developed advanced tools for hunting.
- C. They relocated closer to water sources.
- D. They traded cattle with the Romans.
5. What does the professor imply causes the eventual collapse of the GaraMonte’s society?
- A. The region became overpopulated.
- B. The water tunnels that the Garamantes built fell apart.
- C. The water supply became contaminated.
- D. The underground supply of water was exhausted.
6. Why does the professor say this?
- A. To ask the students to share their opinions about a nomadic lifestyle.
- B. To indicate that he disagrees with the description of the Garamantes people.
- C. To indicate that the lifestyle of the GaraMontes people might be difficult to investigate.
- D. To find out if the students understand the concept of a nomadic lifestyle.