依笔者管见,由于现行初二课本P132编有“(2)1标准大气压能支持多高水柱”的练习题,于是便改编出“如果用水代替水银来做,托里拆利实验”时,一端封闭的玻璃管至少需要(10.34)米长“的各类试题,并将此题写进了多种版本的新课本里。实验证明:这种想当然地推断是错的! 我们认为:著名的”托里拆利实验“的器材和做法,应该有一个确定的含义;但这个实验 According to the author’s opinion, because the current P234 textbook in the second grade textbook has a practice problem of “(2) 1 standard atmospheric pressure can support the high water column”, it is adapted to replace the mercury if it is used instead of mercury. ”At one point, a closed glass tube requires at least (10.34) meters in length", and writes this question in a variety of new textbooks. Experiments have shown that this kind of assumption is wrong! Think: The well-known equipment and practice of the Torricelli experiment should have a definite meaning; but this experiment