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【单选题】
研究者探究不同光强条件下,两种不同浓度 CO 2 对某种蓝藻生长的影响,结果如下图所示。下列关于实验的叙述,不正确的是
A.
“●”和“▲”分别表示高浓度和低浓度CO2下的测量结果
B.
若相同条件下测量O2释放量，可得到相似的实验结果
C.
低光强时，不同的CO2浓度对干重增加的影响不显著
D.
高浓度CO2时，不同的光强对干重增加的影响不显著
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