研发太阳能汽车是很多汽车厂商的未来发展方向，太阳能是  ____（选填“可再生”或“不可再生”）能源，该类汽车有个重要的部件是太阳能电池，它可以将太阳能转化为____

能；该车还有一个重要部件是电动机，它的工作原理与  ____（选填“麦克风”或“扬声器”）工作原理相同．

在女子冰壶世锦赛上中国队以8:6战胜瑞典队，收获了第一个世锦赛冠军，队长王冰玉在最后一投中，将质量为19千克冰壶抛出，运动一段时间后以0.4m／s的速度正碰静止的瑞典队冰壶，然后中国队冰壶以0.1m／s继续向前滑向大本营中心，若两冰壶质量相等，求瑞典队冰壶获得的速度（      ）

    Tom is a young man. He has a very big dog and he has a very small car, too. He likes playing tennis. Today he plays tennis for two hours at the club and then he wants to go home by car. His dog comes after him, but it does not jump into the same car. It jumps into the next car. "Come here, foolish(愚蠢的) dog!" Tom shouts at it, but the dog still stays in the next car. Tom puts his key into the lock（锁）of the car, but the key does not turn（转动）. Then he looks at the car again. It is not his car! He is in the wrong car! And the dog is in the right car!

下列哪一个故事不是出自《伊索寓言》？（    ）