Match the words with their definitions：playoffs
A. the final game in a series that decides the champion
B. a large building where some sporting events are played
C. a series of games played at the end of the regular season to determine the champion
D. a player who has been chosen to lead his or her team
E. a person who is trained in or plays sports very well
F. people who attend a sporting event to watch it
G. someone or a team who has won a competition
Match the words with their definitions：spectators
A. the final game in a series that decides the champion
B. a large building where some sporting events are played
C. a series of games played at the end of the regular season to determine the champion
D. a player who has been chosen to lead his or her team
E. a person who is trained in or plays sports very well
F. people who attend a sporting event to watch it
G. someone or a team who has won a competition
Match the words with their definitions：stadium
A. the final game in a series that decides the champion
B. a large building where some sporting events are played
C. a series of games played at the end of the regular season to determine the champion
D. a player who has been chosen to lead his or her team
E. a person who is trained in or plays sports very well
F. people who attend a sporting event to watch it
G. someone or a team who has won a competition
下列关于月球大气说法正确的是()
A. 月球大气稀薄,多源于太阳风与流星体撞击
B. 月球表面日光不能都到有效的散射,日光之外是黑暗寂寥的星空
C. 月球昼半秋温差大
D. 月球直射半球和非直射半球温差大
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