exercise是一个在我们生活中的重要概念。那么为什么许多人厌恶锻炼呢（aversion to exercise)。读完今天的文章，自然知道了答案。
【题目】
Towards the amount of time which the Americans devote to exercise, the author seems to be that of ______
[A] discontent.
[B]affirmation.
[C] ambiguity.
[D] frustration.
【试题】
①Part of our love for inactivity goes back to our genes: humans are wired to avoid expending extra energy in order to conserve for physically demanding tasks like hunting and reproducing. ②Modern life also plays a part. ③The average employed person spends about eight hours a day working, in addition to child care, commuting, household responsibilities and sleep. ④Add in time for TV and social media, and suddenly devoting even 3% of your week to exercise — about the amount decreed* by the federal guidelines — seems like a herculean* feat. ⑤(A 2018 update to the these guidelines encouraged Americans to shoot for small chunks* of movement, even if they can’t meet those benchmarks, but ideally people are hitting the original goals.)
【参考译文】
①Part of our love for inactivity goes back to our genes: humans are wired to avoid expending extra energy in order to conserve for physically demanding tasks like hunting and reproducing. 我们喜欢不活动的部分原因在于我们的基因:为了保存体力完成诸如狩猎和繁殖这样的任务，人类本能就会避免消耗额外的能量。②Modern life also plays a part. 现代生活也有作用。③The average employed person spends about eight hours a day working, in addition to child care, commuting, household responsibilities and sleep. 除了照顾孩子、通勤、家务和睡眠，上班族平均每天还要工作8小时。④Add in time for TV and social media, and suddenly devoting even 3% of your week to exercise — about the amount decreed by the federal guidelines — seems like a herculean feat. 再加上看电视和社交媒体的时间，就算是每周突然抽出3%的时间来锻炼 —— 大概是联邦指南规定的运动量 —— 似乎也是一个力大无比的壮举。⑤(A 2018 update to the these guidelines encouraged Americans to shoot for small chunks of movement, even if they can’t meet those benchmarks, but ideally people are hitting the original goals.) (2018年更新的指南鼓励美国人努力参与少量运动，即使他们不能达到这些标准，但理想情况下，人们会达到最初的目标。
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为什么许多人不喜欢锻炼呢？——老夏考研每日一题（49）
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