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What kinds of physical activity do you do regularly?
Sample
I do stretching for 10 minutes every morning.
London Transport Workers Study
In the busy London streets of 1953, a special study was conducted.
Scientists observed more than 31,000 people who had various jobs on buses and trains.
Some jobs demanded lots of moving around, like ticket collectors, while others, like drivers, didn’t require much movement.
What was interesting was that the workers with more active jobs had fewer heart problems than
those who sat a lot.
those who sat a lot.
This implied that jobs requiring more moving around were healthier for workers than those jobs that didn’t.
What could account for the difference in their health outcomes?
What was interesting was that the workers with more active jobs had fewer heart problems than those who sat a lot.
관계대명사 What이 이끄는 명사절 What was interesting이 문장의 주어로 쓰였다.
fewer heart problems than those who sat a lot은 「비교급 + than」의 형태인 비교 구문이 사용되었고, those는 주격 관계대명사인 who의 선행사로, 앞서 나온 the workers를 지칭한다.