Tom's school basketball game is next month. His class 1 a new player. His teacher asks him to be one. of the players 2 he is tall (高的). But Tom doesn't like 3 sports. He can't play basketball 4 and he thinks it is 5 for him, so he calls his friend Edward to help him. Edward says he'll help Tom 6 his basketball skills (技巧). They have about 20 days to prepare for (为……做准备) the game, and in the next three 7 they play basketball for 2 hours a day. They don't have much 8 at school, so they play it after the classes 9 .Tom is tired (疲倦的) but happy every day. Now, Tom loves 10 He thinks it is relaxing and fun.

某厂为新型号电视机上市举办促销活动，顾客每买一台该型号电视机，可获得一次抽奖机会，该厂拟按10%设大奖，其余90%为小奖．
厂家设计的抽奖方案是：在一个不透明的盒子中，放入10个黄球和90个白球，这些球除颜色外都相同，搅匀后从中任意摸出1个球，摸到黄球的顾客获得大奖，摸到白球的顾客获得小奖．