A student is writing a paper about how to get more exercise. Which example should the student add to best develop this topic?

One should stretch properly before and after any kind of new activity to avoid injury.

Instead of taking the escalator, use the stairs and even try climbing two at a time.

Bodies need protein that can be found in meats, eggs, and dairy to build muscle.

Along with fitness, good health practice includes plenty of sleep and proper nutrition.

The student should probably say, "Instead of taking the escalator, use the stairs and even try climbing two at a time."

Explanation:

The first one doesn't explain how to get more exercise, it only explains how to not get injured before doing any physical activity. And the other two are basically irrelevant to the topic.

Instead of taking the escalator, use the stairs and even try climbing two at a time.

Explanation:

The other options explain either your health/nutrition or stretching properly before an exercise. The question is asking about which option relates to the topic of how to get more exercise, not about your health/nutrition or stretching properly before an exercise.

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