Civil Service Exam Reviewer · Ordering of Sentences · hard

Five of the following sentences can form a coherent paragraph. Which sentence does NOT belong? (1) When it enters the atmosphere, it collides with tiny gas molecules. (2) Rainbows form when sunlight is bent by raindrops. (3) As a result, blue light reaches our eyes from every part of the sky. (4) Sunlight appears white, but it is actually made up of many colors. (5) At sunrise and sunset, however, sunlight travels through much more air before reaching us. (6) These molecules scatter short blue wavelengths much more strongly than longer red ones.

Sentence (2)
Sentence (3)
Sentence (4)
Sentence (5)

Answer

A. Sentence (2)

Solution

Sentence (2) is related to the topic but does not develop the paragraph's point. The other five form a paragraph in this order: Sunlight appears white, but it is actually made up of many colors. When it enters the atmosphere, it collides with tiny gas molecules. These molecules scatter short blue wavelengths much more strongly than longer red ones. As a result, blue light reaches our eyes from every part of the sky. At sunrise and sunset, however, sunlight travels through much more air before reaching us.

Answer

Solution

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