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案例分析题中学生李某学业成绩良好，在一次数学单元测试前，他认为这类考试小菜一碟，未加以重视，结果考试成绩相当不理想。后来有机会参加学科竞赛，他认为能否获奖很大程度上影响自己的升学，发誓一定要得奖，结果事与愿违。 阐述耶克斯一多德森定律。
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案例分析题师：丑小鸭伤心地离开了家，就是离家出走的意思，你们离家出走过吗？生（齐答）：没有。师：所以你们体会不到丑小鸭的伤心。现在我们一起来朗读课文第四到第六自然段。谁来说说丑小鸭后来怎么了？（师随后指名回答，生1，生2，都答不上来。师表情严肃）生3：丑小鸭很……很……悲惨。（紧张）师：悲惨吗？你来说说到底是怎么个悲惨法？生3：不……不知道。（更紧张，声音更小）师：还有谁能回答这个问题？（全班鸦雀无声）师：算了，我们还是回到课堂，先看看第四段是怎么说的，书上说小鸟讥笑他，猎狗追赶他，这时候丑小鸭会是什么样的感觉？生：紧张。（脱口而出）师：不对，再猜一猜。（生七嘴八舌，有学生喊出“害怕”）师：害怕，对了，就是害怕。（马上给予表扬）师：现在我要请小A回答问题（走到小A面前）。丑小鸭白天躲起来，到了晚上才敢出来找吃的．它愿意吗？小A：不愿意。师：那它有办法吗？小A：没办法。师：丑小鸭会害怕吗？小A：可能会……（立时，有些学生坐不住了，开始交头接耳，教师停下讲课，转向批评学生） 案例中的教师主要采用哪种教学方法？结合案例分析该教学方法的运用要求。
案例分析题中学生李某学业成绩良好，在一次数学单元测试前，他认为这类考试小菜一碟，未加以重视，结果考试成绩相当不理想。后来有机会参加学科竞赛，他认为能否获奖很大程度上影响自己的升学，发誓一定要得奖，结果事与愿违。 运用耶克斯一多德森定律，分析李某两次考试失败的原因，并提出恰当控制动机水平的建议。
简答题 如何保护婴幼儿的听力？
Passage oneQuestions 46 to 50 are based on the following passageAging happens to all of us ,and is generylly thought of as a natural part of life. It would seem silly to call such a thing a "disease".on the other hand,scientists are increasingly learning that aging and biological age are two different things,and that the former is a key risk factor for conditions such as heart disease,cancer and many more. in that light,aging itself might be seen as something treatable, the way you would treat high blood pressure or a vitamin deficiency.Biophysicist alex zhavoronkov believes that aging should be considered a disease. he said that describing aging as a disease creates incentives to develop treatments."It unties the hands of the pharmaceutical(制药的)industry so that they can begin treating the disease and not just the side effects, "he said。"Right now, people think of aging as natural and something you can't control "he said. "in academic circles, people take aging research as just an interest area where they can try to develop interventions. the medical community also takes aging for granted, and can do nothing about it except keep people within a certain health range."But if aging were recognized as a disease, he said, "it would attract funding and change the way we do health care. what matters is understanding that aging is curable. ""it was always known that the body accumulates damage, "he added. "the only way to cure aging is to find ways to repair that damage. i think of it as preventive medicine for age-related conditions.Leonard hayflick, a professor at the university of califomia, san francisco, said the idea that aging can be cured implies the human lifespan can be increased, which some researchers suggest is possible. hayflick is not among them." There 're many people who recover from cancer, stroke or heart disease. but they continue to age, because aging is separate from their disease, " said."even if those causes of death were eliminated, life expectancy would still not go much beyond 92 years." how do many scientists view aging now?（）
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