Section CListen to this introduction to a lecture about Internet access and answer the following questions. Questions 7 - 8. Choose a, b or c as the best answer. 7. What is the main purpose of the lecture?

Question

Section CListen to this introduction to a lecture about Internet access and answer the following questions. Questions 7 - 8. Choose a, b or c as the best answer. 7. What is the main purpose of the lecture?

BlackTom AI · Accepted Answer

Seniors’ overall patterns of internet use—the prevalence, trends, and general characteristics—are the focus, so answer b is correct.

1. Relevant knowledge points and concepts
- “Main purpose” questions ask for the lecture’s central aim (scope and emphasis).
- The three choices differ by scope: (a) focuses on causes for non‑use; (b) is a broad description of the current situation; (c) focuses on available internet options for seniors.
- An introduction to a lecture commonly sets out the topic’s current state (statistics, trends, and context) rather than immediately diving into causes or solutions.

2. Step‑by‑step reasoning
- Step 1: Read option wording carefully. (a) “why some seniors do not access” = explanatory, causal focus. (b) “explain the situation with seniors’ use” = descriptive, contextual focus. (c) “highlight options … available” = prescriptive, solution/resource focus.
- Step 2: Consider the phrase “introduction to a lecture about Internet access.” An introduction typically frames the subject by describing what’s happening now (usage levels, who is online, frequency, barriers in broad terms).
- Step 3: Match this framing to the choices. A descriptive framing corresponds to option b.

3. Calculations
- No numeric calculations are required for this multiple‑choice comprehension item.

4. Why the correct answer is correct
- Option b best captures an introductory lecturer’s likely aim: to explain the current situation (who uses the internet among seniors, how often, and general patterns). That is broader and fits an overview tone.

5. Why the other options are incorrect
- Option a is too narrow: it targets only the reasons for non‑use, which an introduction may mention but would not typically be the single main purpose.
- Option c is also narrow and action‑oriented: “highlight options” suggests a solutions segment, which usually follows an overview and analysis, not the main thrust of an introductory section.

6. Conclusion
- The analysis shows the lecture’s introductory framing aligns with describing the situation of seniors’ internet use. Therefore the correct answer is b, which matches the provided answer.

Section CListen to this introduction to a lecture about Internet access and answer the following questions. Questions 7 - 8. Choose a, b or c as the best answer. 7. What is the main purpose of the lecture?Single choice

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