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

The lecture’s main aim is to give an overview of seniors’ current patterns of internet use.

1. Relevant knowledge points and concepts
- Purpose identification: distinguishing between an overview (describing a situation), an analysis of causes (explaining why), and a practical guide (highlighting options).
- Typical lecture introductions: they often set the scene by summarising scope, trends, and the current situation before going into causes or solutions.

2. Step-by-step reasoning
Step 1: Read each option and label its core intention:
- (a) focuses on reasons why seniors don’t access the internet (causal explanation).
- (b) aims to explain the situation of seniors’ internet use (overview/description).
- (c) aims to highlight options available to seniors online (practical resources).
Step 2: Consider what an introduction to a lecture usually contains: broad context and an outline of the current state rather than deep causal analysis or a list of services.
Step 3: Match the probable content of the introduction (summary of statistics, trends, and general situation) to the options. The best match is (b).

3. Intermediate “steps” (no numeric calculations)
- Identify the type of information expected in an introduction: descriptive summary → aligns with (b).
- Exclude options requiring more detailed content (causal analysis or resource listing) because those typically appear later in a lecture.

4. Why the correct answer is correct
Option (b) correctly captures an introductory speaker’s intention to explain the overall situation with seniors’ use of the internet — describing how many seniors use it, what patterns exist, and setting the context for the rest of the lecture.

5. Why the other options are incorrect
- (a) “To discuss why some seniors do not access the internet” implies an in-depth causal discussion; this is narrower and more analytical than an introduction typically provides.
- (c) “To highlight options for seniors available on the internet” implies a practical guide or resources list, which is unlikely to be the main purpose of an introductory overview.

6. Conclusion
Therefore the best answer is b. This confirms the provided correct answer: b. To explain the situation with seniors’ use of the internet.

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?单项选择题

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