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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