四川省成都市2022级高中毕业班第三次诊断性检测生物评分细则
1高2022级高三三诊考试生物学试题非选择题评分细则说明:1.请各区(市)县、学校在阅卷前组织老师讨论评分细则,确保阅卷标准统一。建议讨论细则后试阅10分钟左右,然后再组织每个题的阅卷组长讨论统一标准。2.学生回答出来的参考答案以外的其他答案,请阅卷老师务必本着客观、公平、公正的原则,以负责任的态度仔细研判答案的合理性,只要合理的答案一定要给分。16.(8分)(1)为光合作用提供能量(1分)(答出“提供能量”即可给1分)作为信号调节植物生命活动(1分)(答出“调节生命活动”即可给1分)(2)高浓度的CO2可提高暗反应速率,从而增强光合速率(2分)(答出“升高CO2的浓度可提高光合速率”即可给2...
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