衡水金卷先享题月考卷 2023-2024度上学期高三届级五调考试 生物(新教材)答案

衡水金卷先享题·月考卷 2023-2024学年度上学期高三年级五调考试 生物(新教材)答案,目前我们已经整理了衡水金卷先享题·月考卷 2023-2024学年度上学期高三年级五调考试 生物(新教材)答案的各科答案和试卷,更多高中试卷答案请关注本网站或关注微信公众号:趣找答案 本次考试的各科试题和答案汇总在衡水金卷先享题·月考卷 2023-2024学年度上学期高三年级五调考试各科试题及答案.

衡水金卷先享题月考卷 2023-2024度上学期高三届级五调考试 生物(新教材)答案

7.D【解析】高速公路的开通与否不是诱导种群发生变异的因素,不会改变种群的突变频率,A错误;象群会与其他生物和环境发生协同进化,B、C错误;沿线经济作物的改变对象群而言,其作为自然因素对象群进行选择可能引起象群基因频率的定向改变,D正确8.C【解析】乙的垂体功能异常,导致分泌的促甲状腺激素减少,使得甲状腺激素减少,这属于分级调节,A正确;甲的垂体正常,由于TRH较少,对垂体的促进作用减弱,相较于甲状腺激素低下对垂体抑制减弱的效果更加明显,说明分级调节对垂体分泌的影响大于负反馈调节,B正确;注射TRH前后患者乙的TSH浓度均较低,说明垂体发生了病变,不能合成TSH,C错误;与健康人相比,患者甲、乙分泌的促甲状腺激素减少,所以甲状腺激素减少,都会表现出头晕、反应迟钝、记忆力减退等症状,甲状腺激素属于氨基酸衍生物,可以口服以缓解不适的症状,D正确。

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