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第33章 准备迎接市级生物竞赛(1 / 2)

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苏棠和李思是一个考场,考完试后,两个人再对做题思路。他们发现彼此的观点有很多相似之处,而且都能从多个角度来分析问题。

李思对苏棠说:“我觉得这次考试难度适中,但是需要深入理解知识点才能正确回答。”

苏棠点头表示赞同:“是啊,比如那道基因工程的题目,不仅要知道基本原理,还要了解基因克隆、表达和调控等技术的应用。”

李思接着说:“还有植物生理学和生态学的题目,都需要对知识点有全面的掌握,才能找出最佳答案。”

苏棠微笑着说:“那我们算是英雄所见略同了。对了,你准备得怎么样?"

李思自信地回答:“我觉得还行,但也不能掉以轻心。我们都要继续加油,争取在明天的实验考试操作部分获得好成绩。”

苏棠伸出拳头,与李思轻轻地碰了一下:“加油!我们一定可以的!”

生物竞赛实验部分采用抽签形式,抽到哪个实验就做哪个实验,为了公平,实验的难度都差不多。这种形式旨在考验选手的临场应变能力和综合运用知识的水平。

竞赛当天,苏棠和傅洲等参赛选手齐聚实验室。他们紧张而激动,期待在这次比赛中展现出最好的自己。

比赛开始前,裁判将实验题目放在一个密封的箱子里,让选手们随机抽取。苏棠抽到的实验题目是“分析不同浓度蔗糖溶液对植物种子萌发的影响”。

她深吸一口气,开始有条不紊地准备实验材料。首先,她将种子均匀地分成五组,然后将它们分别浸泡在不同浓度的蔗糖溶液中,包括 0.1%、0.2%、0.3%、0.4% 和 0.5%。接下来,她把种子置于适宜的温度和湿度环境中进行培养。

在等待种子萌发的过程中,苏棠并没有松懈。她将实验过程中的细节和数据记录下来,以便后续分析。同时,她也关注其他选手的实验进展,试图从他们的方法中吸取经验。

几天后,种子开始萌发。苏棠仔细地测量了芽长的数据,并计算了每组种子的平均芽长。然后,她将数据与蔗糖浓度进行回归分析,以确定二者之间的关系。在分析过程中,她使用了Excel软件绘制图表,并运用统计分析方法验证了实验结果。

实验结束后,苏棠将实验报告递交给裁判。裁判对她的实验过程和结果给予了高度评价,认为她在实验过程中表现出了严谨的态度和卓越的思维能力。

傅洲和李思来找苏棠,向她吐槽自己抽到的实验题目。傅洲皱着眉头说:“我抽到的题目是‘分析不同浓度硫酸铜对水蚤心跳率的影响’,好难处理啊。”

李思也点头表示同意:“我的题目是‘研究光线对植物光合作用的影响’,实验操作起来很繁琐。”

苏棠安慰道:“别担心,我觉得这两个题目虽然很有挑战性,但并不是不可战胜的。只要我们保持冷静,认真分析,一定能够找到解决的方法。”

傅洲叹了口气:“你说得对,我们只能尽力而为了。你们的题目怎么样?”

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