Civil Service Exam Reviewer · Ordering of Sentences · hard

Five of the following sentences can form a coherent paragraph. Which sentence does NOT belong? (1) Old phones and computers are often thrown out with ordinary household garbage. (2) When e-waste is burned or dumped carelessly, these toxins can leak into soil and water. (3) Smartphones have replaced cameras for most casual photographers. (4) Such electronic waste contains small amounts of valuable metals, including gold and copper. (5) It also contains toxic substances such as lead and mercury. (6) Proper recycling, by contrast, recovers the metals while keeping the toxins contained.

Sentence (1)
Sentence (3)
Sentence (4)
Sentence (6)

Answer

B. Sentence (3)

Solution

Sentence (3) is related to the topic but does not develop the paragraph's point. The other five form a paragraph in this order: Old phones and computers are often thrown out with ordinary household garbage. Such electronic waste contains small amounts of valuable metals, including gold and copper. It also contains toxic substances such as lead and mercury. When e-waste is burned or dumped carelessly, these toxins can leak into soil and water. Proper recycling, by contrast, recovers the metals while keeping the toxins contained.

Answer

Solution

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