10.C解析:木题考查黄铁矿催化氧化原理分析。反应1中的铁由+2价变为+3价,氧由0价变成一2价,根据得失电子守恒,反应的离子方程式为4Fe(NO)2++O2+4H+4Fe3++4NO+2H2O,A项正确;反应且中的Fe由+3价变成+2价,FesS中硫元素化合价升高,所以反应Ⅱ的氧化剂是Fe2+,B项正确;反应Ⅲ的离子方程式为Fe2++NO一Fe(NO2,无元素化合价变化,所以反应是非氧化还原反应,C项错误;由循环图可知,一氧化氮参与反应但反应前后性质和质量不变,所以NO作催化剂,D项正确。

第三节书面表达One possible versionDeaar PeterHere comes a piece of good news. Chinese SummerCamp, which is intended for international students, istgoing to be held in our school this summer vacation. Sinceyou are interested in Chinese culture, I'd like to invite youto Join it.The Camp is scheduled to last 11 days, from JuliN 8dhto 28th. It covers a wide variety of cultural activities, ranging from studying Chinese daily expressions to attendingsome lectures on Chinese history and traditional culture. Aswe all know, language is closely related to culture, so Fmconvinced that you can dig out Chinese cultural featuresfrom language study. In addition, the Camp provides achance for you to visit some famous museums, which is thebest way to learn about the country. By admiring the historical relics, you will definitely gain a better understanding ofthe country. If you want to be part of it, please sign up forSit before July 2nd at our school website.king forward to your early reply.YourALi Hua

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