比一比，在组词

此____       壮____     赤____

些____       妆____     亦____

某中学调查了某班全部45名同学参加书法社团和演讲社团的情况，数据如下表：（单位：人）

$A_1$被选中且$B_2$未被选中的概率.

（1）从该班随机选1名同学，求该同学至少参加一个社团的概率；
（2）在既参加书法社团又参加演讲社团的8名同学中，有5名男同学A₁，A₂，A₃，A₄，A₅，3名女同学B₁，B₂，B₃．现从这5名男同学和3名女同学中各随机选1人，求A₁被选中且B₁未被选中的概率．

    How often do you exercise? I'm sorry to say that I exercise 1 than once a week. I know it is not a 2 way of living for a 3 boy. 4,I don't have much time to exercise. I love sports I used to be (过去是) a member of the swimming team and the 5 team in school. I 6 every Monday and Thursday, and I played volleyball every day after school. But I 7 the teams in September last year, because I had to spend much more time on my study. Now I have 8 time to-do sports or have fun. I hardly watch TV or play computer games, 9 .

    My father says 10 is very important. I hope I have time to exercise with him.