题目

    Today we eat on the go, at our  desks and   even    in front of computers.  We eat takeout, deliveted  and prekaged  meals.      36     “Over the past three decades, people have started eating   out more than   ever    beforeand  purchasing more prepared foods at the grocery store, which tend to  contain more    fast,   salt    andsugar than their home-made foods,” noted US healthy living website SparkPeople.       37 It encourages us to value the time we spend preparing，shanng and consuming food； as a  recent USA Today article pal i如图所示，某人站在A处用一根绳子和两个滑轮提起物体B，画出最省力的绕线．