Sports and games make our bodies strong,【B1】______getting too fat, and keep us healthy. But these are not their only use. They g

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问题     Sports and games make our bodies strong,【B1】______getting too fat, and keep us healthy. But these are not their only use. They give us【B2】______practise in making eyes, brain and muscles work together. In tennis, our eyes see the ball coming, judge its speed and direction and pass this information on to the brain. The brain then has to decide what to do, and to send its orders to the muscles of the arms, legs, and so on, so that the ball is met and【B3】______where it ought to go. All must happen with very great speed, and only those who have had a lot of practise at tennis can【B4】______this complicated chain of events successfully. For those who work with their brains most of the day, the practise of such skills is【B5】______useful.
    Sports and games also are useful for【B6】______training. In their lessons at school, boys and girls may learn about such【B7】______as unselfishness, courage, discipline and love of one’s country but what is learned in books cannot have the same deep effect on a child’s character as what is learned by【B8】______. The ordinary day-school cannot give much【B9】______training in living, because most of the pupils’ time is spent in classes studying lessons. So it is what the pupils do in their spare time that really prepares them to take their place in society as citizens when they grow up. If each of them learns to work for his team and not for himself on the football field, he will later find it【B10】______to work for the good of his country instead of only for his own benefit.
【B4】

选项

答案carry out

解析 carry out,意为“实施”。
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