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植物水分亏缺时,叶片含水量降低,()

单选题
2021-09-01 23:22
A、水势降低,气孔阻力增高;
B、水势升高,气孔阻力减小;
C、水势升高,气孔阻力增高;
D、水势降低,气孔阻力减小;
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正确答案
A

试题解析

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()shall be liable for loss of and damage to the Vessel and/or goods arising or resulting from inaccuracies in stating the description,quantity,weight,measurement or contents.
植物对养分的吸收是依靠水分吸收时由水分带入植物体内的。()
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逻辑运算符(AND、NOT、OR)的运算顺序是AND→OR→NOT。
根据对水分的需求,把植物分为三种生态类型:需在水中完成生活史的植物叫()植物;在陆生植物中适应于不干不湿环境的植物叫()植物;适应于干旱环境的植物叫()植物。然而这三者的划分不是绝对的。
逻辑运算符(AND、NOT、OR)的运算顺序是AND→OR→NOT。
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