Reading for the Main Idea Flashcards
7 cards from real SELT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Reading for the Main Idea flashcards as text
A student reads a passage and notes that every paragraph mentions reduced costs, increased access, and improved quality. These repeated themes suggest the main idea is about:
Answer: The overall positive impact of the subject on cost, access, and quality.
Themes that repeat across multiple paragraphs signal the central argument the author is making throughout the passage.
Passage: 'Microplastics have been found in oceans, rivers, drinking water, and even human blood. Scientists warn the health effects are unknown but potentially serious.' The main idea is:
Answer: Microplastic contamination is widespread and poses potential health risks.
Both sentences together establish the breadth of contamination and the potential danger, forming the main idea.
When an author uses phrases like 'most importantly' or 'the key point is,' these are signals that:
Answer: The following statement is likely the main idea or a core supporting point.
Transitional emphasis phrases signal to the reader that the next statement is central to the author's argument.
A passage describes three failed attempts to introduce a new technology and concludes that adoption takes time. The main idea is:
Answer: New technologies often face resistance before being widely accepted.
The failed attempts are evidence supporting the conclusion that adoption is a gradual process, making that the main idea.
A reader identifies this as the main idea: 'Urban green spaces improve mental health.' Which detail would NOT support this main idea?
Answer: City parks were first created in the 19th century as aesthetic improvements.
The historical origin of parks does not address mental health benefits, so it does not support the main idea.
A passage about renewable energy opens with statistics on solar growth, discusses wind power expansion, and closes by calling renewables 'the future of energy.' The main idea is:
Answer: Renewable energy sources are expanding rapidly and represent the future of power generation.
The opening data and closing conclusion both point to the same idea: renewables are growing and will dominate future energy production.
What is the key difference between the topic of a passage and its main idea?
Answer: The topic names what the passage is about; the main idea states the specific point or argument the passage makes about that topic.
The topic is a label (e.g., 'climate change'), while the main idea is the argument or claim made about that topic (e.g., 'climate change requires urgent policy action').