Read an Academic Passage
Academic passage tasks test main idea, detail, inference, organization, purpose, vocabulary, and relationships among claims and evidence.
How to study for TOEFL iBT
Build every answer around communicative purpose, academic context, source information, register, organization, clarity, and meaning preservation.
Core concepts
Concept 1
Read an Academic Passage questions reward matching meaning, purpose, organization, and academic communication context.
Exam cue: Identify the task type before reading answer choices.
Concept 2
The strongest answer uses the exact reading, listening, speaking, or writing task instead of general English knowledge alone.
Exam cue: Anchor the answer in context, tone, organization, source information, or communicative goal.
Concept 3
Eliminate answers that are grammatically possible but do not fit the purpose, register, or source information.
Exam cue: Check that the response is clear, concise, accurate, and appropriate for academic English.
Risk pitfalls and guardrails
Choosing a fluent-sounding answer that changes meaning.
Guardrail: Avoid answers that are fluent but off-task, change meaning, ignore source information, mismatch tone, or overuse outside knowledge.
Ignoring purpose, register, or the source information.
Guardrail: Avoid answers that are fluent but off-task, change meaning, ignore source information, mismatch tone, or overuse outside knowledge.
Overusing outside knowledge instead of the language evidence in the item.
Guardrail: Avoid answers that are fluent but off-task, change meaning, ignore source information, mismatch tone, or overuse outside knowledge.
Memory anchors
Main Idea
The main idea states the passage's central academic point.
Supporting Detail
A supporting detail provides evidence, example, definition, or explanation.
Inference
A valid inference follows from the passage without adding unsupported information.
Author Purpose
Author purpose explains why a sentence, example, or paragraph appears.
Text Organization
Academic passages may use cause/effect, compare/contrast, sequence, or problem/solution.
Reference Word
Reference words such as this, they, and it must be linked to the correct antecedent.
Academic Definition
A definition explains how a key term is used in the passage.
Evidence Role
Evidence role asks how a fact supports a claim.
Paragraph Function
Paragraph function asks what the paragraph contributes to the whole passage.
Scope Control
The answer must match the passage's scope and avoid overstatement.
Checkpoint rule
Do the check-up only after you can summarize each concept in one sentence and identify one dangerous pitfall from memory.
Knowledge Check (after reading)
Short check-up to confirm understanding of this module.
Check-up Questions
Coral reefs support roughly a quarter of all marine species, yet they occupy less than one percent of the ocean floor. When water temperatures rise, corals expel the algae that give them color and much of their food, a process known as bleaching. Repeated bleaching can kill a reef. What is the main idea of the passage?
The printing press, introduced in Europe in the mid-fifteenth century, dramatically lowered the cost of producing books. As texts became cheaper, literacy spread beyond the clergy and the wealthy, and new ideas circulated far more quickly than before. According to the passage, one effect of the printing press was that
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