题目内容：

完形填空

阅读下面短文，从短文后各题所给的四个选项（A、B、C、D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。

We all know that sports may help us become stronger. But their_________ go far beyond this. Research shows that sports that _________  aiming and hitting skills, for example, tennis, badminton and baseball, help children increase   _________  . They help develop leadership qualities and _________ team spirit in kids. They involve competition. Playing sports teaches them to accept _________ with a positive spirit when they lose a game.

Playing sports does a lot of good to the development of _________ skills. Sports teach you to communicate with people and work together as a   _________  . Sports improve collective thinking and help develop your planning and organizational skills, too. Sports build _________  , since winning a game always gives you a sense of accomplishment.

Playing sports requires you to strategize(制定策略). You need to be very _________ to score goals or earn points. You need to    _________  strategies to win. You need to judge your competitor’s strategy and change yours   _________  . This certainly involves clever thinking, which sports   _________ . Studies show that kids who play sports   _________   do well in school and college.

Playing sports brings you _________  . Jumping about, running around, racing to get ahead,   _________ , falling and standing up again, all of them are a(n) _________   of playing sports. There is no    _________  to the happiness this brings.   _________ , sports are a form of exercise which produces happiness molecules (分子) in your body, thus improving your mental health. You can’t be sad _________  playing sports. Sports produce    _________ energy in you and the people around you.

1.A. courses        B. benefits        C. challenges      D. decisions

2.A. add            B. fit            C. lack            D. involve

3.A. focus         B. courage       C. weight         D. strength

4.A. break          B. shake          C. raise           D. change

5.A. explanations   B. punishments     C. congratulations D. failures

6.A. musical        B. social         C. medical         D. technical

7.A. team          B. nation         C. class          D. family

8.A. friendship    B. judgment        C. confidence      D. enthusiasm

9.A. strong       B. smart          C. generous      D. humorous

10.A. put off       B. make up       C. take over       D. work out

11.A. accordingly   B. generally      C. equally        D. largely

12.A. prepare    B. recognize       C. encourage      D. promise

13.A. formally      B. frequently     C. naturally       D. completely

14.A. hope          B. honor          C. pride          D. pleasure

15.A. cheering      B. dreaming        C. chatting      D. quarreling

16.A. case         B. field          C. part            D. amount

17.A. method      B. match           C. risk            D. trouble

18.A. For example   B. As a result     C. In addition    D. In other words

19.A. while         B. before          C. unless         D. since

20.A. serious     B. nervous       C. positive       D. creative