2022-2022年英语周报高考（GDY）第8期答案

67. One possible versionIn his diary, the man mentioned he wished to sink to the ocean with his wife but fortheir daughter he had to live. Without him, their baby daughter would become an orphan.After drowning himself in sorrow for a short time, he uplifted himself and learned how toraise his baby. Whenever faced with hardships, he would inspire himself with his wifewords-"Take care of our child. " Seeing the little girl grow into a sunny, pretty girl withdouble love from both parents, the man knew he made it to keep his promise.The story was finished and the class was silent. Nobody talked or laughed as usualInstead, it seemed that every student was lost in deep thought, tasting the moving life story.The teacher was sure that the students were reflecting on their replies and that they hadunderstood the moral of the story. Of the Good and Evil in this world, there are hiddensecrets behind them. So we should not really focus on the surface and judge anyone withoutunderstanding them first. Put yourself in others' shoes and then you can really understandtheir behavior

31.(8分,除标注外,每空1分)(1)由外正内负变为外负内正(2)不是反射,产生尿意未经历完整的反射弧不是反射,导尿管将膀胱中的尿导出不是神经系统对内外刺激发生的应答(或“不是反射,导尿管将膀胱中的尿导出未经历反射弧”)(2分)(3)正反馈分级(4)脊髓腰骶段损伤后破坏了排尿反射的低级中枢,不产生排尿反射;胸段损伤后大脑皮层不能支配脊髓的活动,小便失禁(2分)【解析】(1)感受器是由感觉神经末梢组成的,属于感觉神经元的一部分,受到刺激后能产生兴奋,膜电位由外正内负变为外负内正。(2)反射是指在中枢神经系统的参与下,动物体或人体对内外环境变化作出的规律性应答,完成反射的结构基础是反射弧。反射必须经历完整的反射弧,产生尿意未经历反射弧中的传出神经和效应器,不属于反射;导尿管将膀胱中的尿导出不是神经系统对内外刺激发生的应答,没有经过反射弧。(3)略。(4)脊髓腰骶段损伤时,不产生排尿反射,这是因为排尿反射中枢被破坏;脊髓胸段损伤会使大脑皮层不能支配脊髓的活动,这种情况下有排尿反射,但不受意识支配。

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