美国华盛顿图书馆挂有这样一条标语:“我听见了就忘记了,我看见了就记住了,我做了就理解了。”这条颇富哲理的标语充分说明了实验只有做了才能理解并记忆深刻。生物学实验是每年高考的必考内容,最近3年的高考生物广东卷由原来考查测重于实验步骤的设计、实验结果的分析,实验结论的预测等转向了考查教材实验。这是一个强烈的信号,说明 The Washington Library in the United States has a slogan like this: “I forgot it when I heard it, and when I saw it, I remembered it and I understood it.” "This philosophical slogan fully demonstrates that experiments have only been done To understand and remember deeply. Biology experiment is the compulsory content of college entrance examination each year, the last three years of college entrance examination biology Guangdong volume from the original test weighting in the design of experimental steps, the analysis of experimental results, the conclusions of experimental conclusions turned to the textbook experiment. This is a strong signal, stating