2021-2022英语周报八上第答案

第二节书面表达【写作思路】根据试题要求,考生需要写一篇记叙文,记述身边一位值得尊敬和爱戴的人。首先考生需要介绍自己最尊敬和爱戴的人是谁,简单地介绍一下他(她)。然后,陈述为什么他(她)值得尊敬和爱戴。最后,可以对前文进行一个总结,使文章结构严谨。本文的写作重点在"尊敬和爱戴的原因",考生可围绕这个要点适当拓展,从性格特点、处事风格等方面展开写作。【范文赏读】The most beloved and respected person around me is my teacher, Ms LiThough she has been teaching English for twenty years, she is still passionateabout teaching. She is kind and considerate towards us just like our dear motherWe all respect her because she always tries new ways to make her classes livelyand interesting. Hardworking and knowledgeable, she is one of the best teachersin our school. When we have a problem, we will turn to her for help. She alwaystalks to us patiently and helps us to find a solution. In our eyes, she is not onlyour teacher, but also our best friend. Those are why she deserves our respect【亮点词句】亮点词汇: beloved, respected, be passionate about, be consideratetowards, turn to sb. for help, in one's eyes亮点句式:Why引导的表语从句( why she deserves our respect)

人为放热大气保温效应等分析。31.(1)夜间强白昼弱;(3分)子夜前后最强,正午前后最弱。(3分(2)正午前后,太阳辐射最强烈城市中心地表和建筑物大量吸收太阳热量,大气对流作用较强,利于散热;(2分)城市与郊区热力环流加强城区和郊区大气在水平和垂直方向生的混合作用增强,城郊温差减匀;(2分)城市上空盛行上升气流利于散热,而盛行下沉气流增温,不利于散热。(2分)(3)规律:冬季最强,夏季最弱,春秋居中。(2分)理由:冬季受冷气团控制,天气稳定,有利于热岛的形成与发展;受山谷地形影响冬季逆温层加厚,不利于城市散热;冬季正值供暖期,排放热量多;冬季燃煤取暖污染物排放量大,使得城区大气逆辐射增强,收入热量多。(每点2分,任答3点得6分)【解析】第(1)题,兰州该日热岛效应夜间强,白昼丶弱。子夜前后最强,正午前后最弱。第(2)题,兰州该日正午前后热岛效应特点是气温低于郊区气温的“冷岛”效应,主要从气流运动特点分析。正午前后,太阳辐射最强城市中心地表和建筑物大量吸收太阳热量,大气对流作用较强,利于散热。城市与郊区热力环流加强,城区和郊区大气在水平和垂直方向上的混合作用增强,城郊温差减少。城市上空盛行上升气流利于散热,而郊区盛行下沉气流增温且不利于散热。因而引起城区气温低于郊区气温的冷岛”效应。第(3)题,兰州热岛效应季节变化的规律是冬季最强,夏季最弱,春秋居中,从气流运动、

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