题目

The NBA has a new rule this season. It’s called “zero tolerance”. NBA referees(裁判)are not letting players complain too long or too loudly about a referee’s call(裁判的判决). A player who does can be given a technical foul(犯规). Two technical fouls, and the player is out of the game. The players don’t like the new rule and want the NBA to change it. They think it’s only natural to get angry during a close, hard-fought game if a call goes against you. But I like the “zero tolerance” rule and wish other sports would follow the NBA’s example. Wouldn’t it be 16．在下列各图的方框内，分别画出一个适当的光学元件．