「2023衡中同卷数学A卷 答案」数学衡中同卷2023答案，目前我们已经整理了「2023衡中同卷数学A卷 答案」数学衡中同卷2023答案的各科答案和试卷，更多衡中同卷请关注本网站。
8.答案D命题透析本题以实验过程与实验目的为情境，考查焰色反应、结晶、影响化学反应速率的因素、实验设计与分析等知识，意在考查理解分析能力，科学探究与创新意识的核心素养。思路点拨玻璃棒含有钠元素，应用铂丝或光洁无锈的铁丝蘸取样品，A项错误；除去NCl中混有的少量KNO,杂质，加水溶解，蒸发浓缩至有大量晶体析出，应趁热过滤，KNO,留在滤液里，B项错误：铜与浓硝酸、稀硝酸反应不同，浓度、反应实质均对反应速率有影响，C项错误；少量Cl2与FBr2充分反应，加入CCl4,溶液分层，上层为黄色，下层为无色，说明Cl2优先将Fe2+氧化为Fe3+,证明Fe2+的还原性比Br的强，D项正确。
主题语境：人与社会社会与文化中国之旅【主旨大意】本文是一篇记叙文。文章主要讲述作者在中国的山西、北京旅游的一段难忘的经历及感受。【解析】The experience of traveling around China has paid off handsomely,both in terms of personal enrichment and in 56.my ability to do修饰名词“ability”,指“我的能力"，应用形容词性物主代词the job as an editor.In Pingyao,57.an ancient town in Shanxi province,I climbedtowm为可数名词单数，此处表泛指概念，且ancient为元音音素开头的单词to the topof thefortresswallsand imaginedenemies58.attacking below.I slept in a traditional bed and learned about此处为imagine sb.doing sth.固定搭配，意为：想象某人做某事，用现在分词作宾语补足语59.what might have been the world's first banking system.引导宾语从句，在从句中作主语，引导词意为“什么”But what impressed me most in China 60.was an experience此处讲过去的旅游经历，句子应用一般过去时，整个从句作主语，谓语动词应用单数at Beijing's Temple of Heaven.It was a mild summer evening,when I went to the temple park to enjoy the dusky calm.I saw a groupof people gathered in a loose circle,singing 61.joyfully to the此处修饰非谓语动词singing,应用副词instrument that someone had brought along.I joined in,mouthing thesyllables as I heard them and adding my voice 62.to help send the此处作目的状语，应用动词不定式sound to heaven.The Chinese people standing nearby looked interestingly at meand offered smiles of welcome.It was a moment of unity-what mightbe called a people-to-people exchange.For me,the group expresseda feeling of love,like a family,as 63.voices joined together in根据“joined together”可知，此处是各种声音汇集在一起，应用名词复数the choir.It was over all too soon,and everybody left,64.but the feeling“一切都结束得太快了，大家都走了”和“这种感觉一直伴随着我”构成转折关系stayed with me.I couldn't help but wonder:If whole nations couldsing together,wouldn't the world be a 65.better place?此处暗含与现在世界的比较，应用g00d的比较级
评论