2. 外语
  3. Fifty years ago, most people’s daily levels of activity were equivalent to walking three to five miles a day. Today, the(1)_____

Fifty years ago, most people’s daily levels of activity were equivalent to walking three to five miles a day. Today, the(1)_____

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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)______.
(1)
选项 A、average
B、common
C、familiar
D、normal
答案A
解析 形容词辨析题。[A]average表示“普通的，一般的，平均水平的”；符合文意，故选[A]。[B]common表示“共同的，普遍的”，常用的表达方式为the common people(老百姓)，[C]familiar表示“熟悉的”，[D]normal表示“正常的，标准的”，均可以排除。
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