本刊2004年第7期《一道探究性浮力实验题的巧妙解法》一文,笔者认为该文提出的七种“巧妙解法”既繁琐,又不当.现将这道试题及正确、巧妙的解法介绍如下:试题:(2003年苏州中考题)已知某实心小球是由表1中所列出的塑料材料中的一种制成的.为了鉴别该小球究竟是由其中哪一种塑料 In the article “Ingenious Solution to an Inquisitive Buoyancy Experiment Problem” published in 2004, the author believes that the seven “ingenious solutions” presented in the article are both tedious and inappropriate. Now we will introduce this question and the correct and ingenious solution. As follows: Questions: (2003 Suzhou exam) It is known that a solid ball is made from one of the plastic materials listed in Table 1. In order to identify which type of plastic the ball is