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ACCUPLACER READING
COMPREHENSION PRACTICE
2026/2027 ACTUAL QUESTIONS
WITH VERIFIED ANSWERS &
COMPLETE RATIONALES
**1. Read the following passage:**
*"The invention of the printing press by Johannes Gutenberg in
the 15th century revolutionized the spread of information. Before
the printing press, books were copied by hand, a process that
took months or even years to complete. As a result, books were
rare and expensive, accessible only to the wealthy and the clergy.
Gutenberg's invention allowed for the mass production of books,
making them more affordable and widely available. This
democratization of knowledge contributed to the Renaissance, the
Reformation, and the Scientific Revolution."*
**What is the main idea of this passage?**
A. Gutenberg was a German inventor who lived in the 15th
century.
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B. The printing press made books more affordable but less
accurate.
C. The printing press revolutionized information spread and
contributed to major historical movements.
D. Before the printing press, only the clergy could read.
**Correct answer:** The printing press revolutionized information
spread and contributed to major historical movements.
**Rationale:** The main idea is the central point of the passage.
The passage explains how the printing press changed information
dissemination and lists its historical impacts (Renaissance,
Reformation, Scientific Revolution). Options A, B, and D are
supporting details or incorrect statements.
---
**2. Read the following passage:**
*"Coral reefs are among the most diverse ecosystems on Earth,
supporting thousands of species of fish, invertebrates, and plants.
However, coral reefs are increasingly threatened by climate
change, pollution, and overfishing. Rising ocean temperatures
cause coral bleaching, a process in which corals expel the algae
living in their tissues, turning white and often dying. Scientists
estimate that if current trends continue, 90% of the world's coral
reefs could be lost by 2050."*
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**What is the main idea of this passage?**
A. Coral reefs support thousands of species.
B. Climate change is the only threat to coral reefs.
C. Coral reefs are diverse but severely threatened by human
activities and climate change.
D. Coral bleaching turns corals white.
**Correct answer:** Coral reefs are diverse but severely
threatened by human activities and climate change.
**Rationale:** The passage first establishes the diversity of coral
reefs, then discusses the threats they face. The main idea
encompasses both the value of reefs and the dangers they face.
Options A and D are supporting details, and B is incorrect
because the passage lists multiple threats.
---
**3. Read the following passage:**
*"The American Civil War, fought from 1861 to 1865, was a
conflict between the Northern states (the Union) and the Southern
states (the Confederacy). The primary cause of the war was the
disagreement over slavery, particularly whether slavery would be
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allowed to expand into new territories. The war resulted in over
600,000 deaths, the abolition of slavery, and the preservation of
the Union. However, the legacy of the war continues to shape
American society and politics today."*
**What is the main idea of this passage?**
A. The Civil War was fought from 1861 to 1865.
B. The Civil War was caused by slavery.
C. The Civil War was a transformative conflict with lasting effects
on American society.
D. Over 600,000 people died in the Civil War.
**Correct answer:** The Civil War was a transformative conflict
with lasting effects on American society.
**Rationale:** The passage covers the dates, causes, outcomes,
and lasting legacy of the Civil War. The main idea is that the war
was transformative and continues to affect America today.
Options A, B, and D are supporting details.
---
**4. Read the following passage:**
ACCUPLACER READING
COMPREHENSION PRACTICE
2026/2027 ACTUAL QUESTIONS
WITH VERIFIED ANSWERS &
COMPLETE RATIONALES
**1. Read the following passage:**
*"The invention of the printing press by Johannes Gutenberg in
the 15th century revolutionized the spread of information. Before
the printing press, books were copied by hand, a process that
took months or even years to complete. As a result, books were
rare and expensive, accessible only to the wealthy and the clergy.
Gutenberg's invention allowed for the mass production of books,
making them more affordable and widely available. This
democratization of knowledge contributed to the Renaissance, the
Reformation, and the Scientific Revolution."*
**What is the main idea of this passage?**
A. Gutenberg was a German inventor who lived in the 15th
century.
,2 | Page
B. The printing press made books more affordable but less
accurate.
C. The printing press revolutionized information spread and
contributed to major historical movements.
D. Before the printing press, only the clergy could read.
**Correct answer:** The printing press revolutionized information
spread and contributed to major historical movements.
**Rationale:** The main idea is the central point of the passage.
The passage explains how the printing press changed information
dissemination and lists its historical impacts (Renaissance,
Reformation, Scientific Revolution). Options A, B, and D are
supporting details or incorrect statements.
---
**2. Read the following passage:**
*"Coral reefs are among the most diverse ecosystems on Earth,
supporting thousands of species of fish, invertebrates, and plants.
However, coral reefs are increasingly threatened by climate
change, pollution, and overfishing. Rising ocean temperatures
cause coral bleaching, a process in which corals expel the algae
living in their tissues, turning white and often dying. Scientists
estimate that if current trends continue, 90% of the world's coral
reefs could be lost by 2050."*
,3 | Page
**What is the main idea of this passage?**
A. Coral reefs support thousands of species.
B. Climate change is the only threat to coral reefs.
C. Coral reefs are diverse but severely threatened by human
activities and climate change.
D. Coral bleaching turns corals white.
**Correct answer:** Coral reefs are diverse but severely
threatened by human activities and climate change.
**Rationale:** The passage first establishes the diversity of coral
reefs, then discusses the threats they face. The main idea
encompasses both the value of reefs and the dangers they face.
Options A and D are supporting details, and B is incorrect
because the passage lists multiple threats.
---
**3. Read the following passage:**
*"The American Civil War, fought from 1861 to 1865, was a
conflict between the Northern states (the Union) and the Southern
states (the Confederacy). The primary cause of the war was the
disagreement over slavery, particularly whether slavery would be
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allowed to expand into new territories. The war resulted in over
600,000 deaths, the abolition of slavery, and the preservation of
the Union. However, the legacy of the war continues to shape
American society and politics today."*
**What is the main idea of this passage?**
A. The Civil War was fought from 1861 to 1865.
B. The Civil War was caused by slavery.
C. The Civil War was a transformative conflict with lasting effects
on American society.
D. Over 600,000 people died in the Civil War.
**Correct answer:** The Civil War was a transformative conflict
with lasting effects on American society.
**Rationale:** The passage covers the dates, causes, outcomes,
and lasting legacy of the Civil War. The main idea is that the war
was transformative and continues to affect America today.
Options A, B, and D are supporting details.
---
**4. Read the following passage:**
