Set 4: Text Structure

Explanation

Answer: A

PASSAGE

The steam engine changed how people lived. It allowed trains to travel long distances quickly. This made trade between cities much easier.

Which choice best describes the function of the second and third sentences?

A. They explain the specific effects of the steam engine.✓ Correct

B. They list the parts of a steam engine.

C. They argue that steam engines were dangerous.

D. They describe how to build a train.

Detailed Explanation

Claim: Changed life. Effects: Fast travel, easier trade.

Key Evidence:

• "allowed trains to travel"

• "made trade ... easier"

Why others are wrong: B (No parts listed.), C (No danger mentioned.), D (No building instructions.).