被称为“万岛国”、“半夜太阳国”的挪威北欧斯堪的纳维亚半岛西

被称为“万岛国”、“半夜太阳国”的挪威北欧斯堪的纳维亚半岛西部,依赖着有利的自然条件(海岸线较长),古老的民族过着以捕鱼为生的闲逸生活,勤劳的挪威人不辞辛劳沿海千里迢迢把鱼儿运往赤道附近,意想不到的事情发生了。贩鱼到赤道附近时,鱼儿会变轻,收入总比预想的要少一些,这是为什么呢?在当时成为不解之谜。某学习小组用所学的物理知识对上述材料提出了以下几种说法,其中你认为正确的是

①鱼从挪威运到赤道附近的过程中,质量变小了

②鱼从挪威运到赤道附近时,重量变小了

③鱼从挪威运到赤道附近的过程中,重力加速度变小了

④鱼从挪威运到赤道附近的过程中,重力加速度变大了

A. ①③        B. ①④

C. ②③        D. ②④

 

答案

C

 解析:略

 

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