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,
A. get into
B. get to
C. get in
D. get off
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