Vocabulary

http://www.cdc.gov/physicalactivity/everyone/glossary/index.html

1. 위의 제시된 단어들 중 책에 나와 있는 단어를 찾고, 그 단어가 들어있는 해당 문장을 적어주세요.
ex) Physical activity
P. 39 Many teenagers don't get enough exercise or physical activity on a regular basis. (많은 십대들이 충분한 운동이나 신체 활동을 규칙적으로 하지 않는다.)

2. 단어의 의미를 보고 단어를 유추해보세요. (당연히 사이트에서 제시된 단어들이겠죠?^^)
1) The length of time in which an activity or exercise is performed. Duration is generally expressed in minutes.
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2) The number of times a person lifts a weight in muscle-strengthening activities. Repetitions are analogous to duration in aerobic activity.
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3) A subcategory of physical activity that is planned, structured, repetitive, and purposive in the sense that the improvement or maintenance of one or more components of physical fitness is the objective. "Exercise" and "exercise training" frequently are used interchangeably and generally refer to physical activity performed during leisure time with the primary purpose of improving or maintaining physical fitness, physical performance, or health.
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