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问题 单项选择题

我国安全电压标准所给定的安全电压是指（）。

A、交流电压有效值

B、交流电压最大值

C、交流电压最小值

D、交流电压瞬时值36V

答案

参考答案：D

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     The youngest international player
     The youngest international player was an 8-year-old table tennis player from Jamaica. Her name was
 Joy  Forster. She wan the Jamaican table tennis champion in 1985 and she played in the Jamaican
  international  team that year.

     The most popular sport
     Yes, you guessed right! The most popular team game in the world is football. People play football in
  villages, streets and stadiums all over the world. The most famous football competition is the World Cup.
  It happens every four years. In the past, football was a game just for men, but now half the countries in
 the world have an international women's team, too. The first Women's World Cup was in 1991.
1. Joy Forster was _____ table tennis player in the world.
    A. the youngest         
    B. the best        
    C. the most popular      
    D. the oldest
2. She played _____ .
    A. tennis                  
    B. for her country
    C. against Jamaica              
    D. football
3. People play football in _____ .
    A. villages        
    B. streets          
    C. stadiums        
    D. A, B and C  
4. The World Cup _____ .
    A. is held every year
    B. is well-known all over the world
    C. is a game just for men now          
    D. is a game just for students
5. There was no World Cup for women players _____  1991.
    A. before     
    B. in          
    C. after    
    D. to
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单项选择题

长期的加班包机计划应由（）向（）申请。

A.签派室，总调

B.签派室，飞行报告室

C.生产办，总调

D.生产办，飞行报告室
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