题目：
| 完形填空 | |||
| People all over the world enjoy sports. Sports are good for people's health and sports make people 1 . Some people like to play games by themselves, but some enjoy watching others 2 sports games. They buy tickets or turn on their TV to watch games. They usually have "their teams" or "their players". When "their teams" can't win the game, they are even 3 than the players themselves. Sports change with the 4 . People play different games in different seasons. Most people's favorite sport 5 summer is swimming and skating is usually a winter sport. Sometimes people play games inside the room, sometimes they play outside. We can 6 sports here and there. Some sports are very interesting and people 7 like them. Football, for example, is very 8 in the world. Men and women, the old and the young all like it. People from different countries 9 understand each other, but after a game they often become 10 . | |||
| ( )1. A. happy ( )2. A. play ( )3. A. busier ( )4. A. time ( )5. A. to ( )6. A. look ( )7. A. may ( )8. A. great ( )9. A. can not ( )10.A. same player | B. strong B. to play B. angrier B. seasons B. for B. find B. are B. favorite B. can B. better players | C. interesting C. plays C. worse C. countries C. in C. talk C. nowhere C. popular C. may C. good friends | D. tired D. played D. sadder D. people D. in the D. watch D. everywhere D. well D. must D. different players |
答案：
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下面是错误答案，用来干扰机器的。
x-3y+20=0 ①3x+7y-100=0 ②把①化为3x-9y+60=0③，③-②得：y=10，代入①得：x=10．所以原方程组的解为x=10y=10．
