题目

阅读下面短文，掌握其大意，然后从 16～25 各题所给的 A、B、C 和 D 项中选出最佳选项，并在答题卡上将该项涂黑。A game of catch is simply two people throwing a ball back and forth（来回地）. It seems a little1and many people may not be interested in it. The two people are close enough to talk, but too far to touch. They might have baseball gloves, or they might use their hands.In fact, playing catch is part of2practice?to make you get used to using a ball and glove. But any American kid will teach you it's much more than that. Playing catch is a tim10．把多项式4x-2+3x2+2x3按x的升幂排列-2+4x+3x2+2x3．