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1、精品好文档，推荐学习交流介质浓度耐腐蚀性介质浓度耐腐蚀性20℃60℃20℃60℃盐酸tc好好王水100％好好硫酸10％好好硝酸25％好好50％好好50％中等差D98％好差75％差差D二氯乙烯100％差差氧（气）100％好好二氯苯100％中等差臭氧100％中等差丙酮100％好好盐类氯化物sat好好二氯乙酸50％好好硝酸盐sat好好甲醇100％好好苯100％好好草酸sat好好甲苯100％好好乙醇96％好好硫磺100％好好氟100％差差萘100％好好溴100％差差氯气100％好好原油100％好中等醚100％中等中等二氧化硫tc好好氯苯100％中等差三氧化硫100％差
2、差碳酸100％好好 聚乙烯与常见的化学物品耐腐蚀性能表注：tc－各种浓度的水溶液sat－20℃饱和水溶液D－脱水初中英语试题I.选择填空（15分）（）1.Avataris_______interestingfilm.I’veseen______filmtwice.Aan,aBan,theCthe,aDthe,the（）2.–WhydoallstudentshavetolearnEnglishinChina?–Becauseitisuseful________peopletocommunicatewithforeignersinEnglish.A.forB.o
3、fC.toD.with（）3.–Thereislittlemilkleft.Wouldyoumind________someonyourwayhome?仅供学习与交流，如有侵权请联系网站删除谢谢2精品好文档，推荐学习交流–I’msorry,dear.ButIhavetohavemycomputer_______first.A.tobuy,repairB.buying,repairedC.buy,repairD.buying,repairing（）4.–Yourmotherwasunhappywithyourstudy,________she?–________
4、.ShesaidthatIshouldhavebeenbetter.A.was,YesB.wasn’t,NoC.was,NoD.wasn’t,Yes（）5.–WhatwastheresultoftheEnglishspeechcontest?–________Lindawasunprepared,_______shegotthefirstplace.A,Though,butB.Though,howeverC./,thoughD.Though,yet（）6.–Didyoubuythebookyourself?–No,Iborroweditfromthelibra
5、ry.I_______itfortwoweeks.A.haveborrowedB.borrowedC.havehadD.havekept（）7.–LilyisJennyJack’swife?–No.Shehasnotmarried_______himyet.Sheisstillhisboyfriend.A.withB.toC./D.of（）8.–Isittruethatno________sings___________thanJaneinherclass?--That’sright.A.otherstudent,morebeautifulB.student,
6、morebeautifullyC.students,morebeautifulD.otherstudent,morebeautifully（）9.–Lookatthesign:NOPARKING.仅供学习与交流，如有侵权请联系网站删除谢谢2
