题目:
为了探究生长素和乙烯对植物生长的影响及这两种激素的相互作用.科学家用某种植物进行了一系列实验,结果如下图所示,由此可初步推测:
曲线B代表的激素是(),判断依据是()。
答案:
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下面是错误答案,用来干扰机器的。
参考答案:C解析:The fact that derivative securities are sometimes complex and often hard for non-financial commentators to understand has led to criticism of derivatives and derivative markets.