2. 职称英语
  3. Fifty years ago, most people’s daily levels of activity were equivalent to w

Fifty years ago, most people’s daily levels of activity were equivalent to w

游客2023-11-11  67
问题     Fifty years ago, most people’s daily levels of activity were equivalent to walking three to five miles a day. Today, the(1)______person fails to(2)______ that distance in a week. It’s(3)______ the ratio of fatness has soared—with serious implications for health.
    What we have(4)______ in convenience from labour-saving devices over the past half-century, we have paid for(5)______ a sharp decline in physical activity. We use cars, buses or trains to(6)______ work ; our children are(7)______ to school; elevators and lifts have replaced(8)______ stairs in shopping centres, offices and apartment blocks. Washing machines, vacuum cleaners, dishwashers and electric mowers all reduce the effort required to(9)______ a clean and tidy home. Almost one third of adults(10)______over ten hours sitting down every day, adding(11)______ a staggering average of 32 years and four months over a lifetime.(12)______ surprising, then, that researchers(13)______this lifestyle for our weight gain.
    Of course, our diets have changed, too ,(14)______the fact is we consume fewer calories now than in the 1960s. So what is the(15)______? The secret is integrated exercise. This(16)______ going about your normal daily life— but doing it with enthusiasm. It might mean standing to(17)______the phone and tapping your feet on the floor as you work. It means never taking the car when you could walk; it means standing on short train and bus (18)______, or walking at a pace (19)______ you feel you might break into a run if you were to go any(20)______. [br] (8)
选项 A、conservative
B、formal
C、conventional
D、usual
答案 C
解析 形容词辨析题。[A]conservative表示“保守的”，[B]formal和[D]usual的意思与名词stairs不搭配，故选[C]conventional，表示“传统的”，强调现代化的电梯与传统的楼梯形成鲜明的对比。
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