新课标2020届高考化学二轮复习第Ⅰ部分选择题专项练一选择题精准练选择题精准练七电解质溶液

新课标2020届高考化学二轮复习第Ⅰ部分选择题专项练一选择题精准练选择题精准练七电解质溶液，扫描并关注下面的二维码，获取相关答案！

第一章：人作用：支持和热点预测4：人际关系预测考题假如你是李华，高三生活已经结束，同学多年，友情、爱情弥足珍贵，请你给你最喜欢的同学或者老师写一封信，要点如下：1.写信目的2.你们之间难忘的事情3.再次表示感谢与表达良好的祝愿参考范文DearMrsZhang,I’mwritingtoexpressmysinceregratitudetoyou.Youaretheverypersonwhogavemeahandwhennecessary.Onemonthago,withtheCollegeEntranceExaminationaroundthecorner,Iwasnervousandinlowspirits,beingafraidof lettingmyparentsdownbecauseofmyaverageacademicperformance.WhenIwasatalossandonthepointofgivingup,asmyheadteacher,youaskedmetogotoyouroffice.Insteadofblamingme,youcomfortedmeanddiscussedwithmethereasonsformyfailingintheexam.Moreunforgettably,youmanagedtohelpmewithmystudyandalwaysinspiredmefromtimetotime.Gradually,IlearnedhowtoadjusttomyselfandstayedcalmintheCollegeEntranceExamination.MrsZhang,I’mmorethangratefulforwhatyouhavedoneforme,fromwhichI’vegottoknowitisnevertoolatetogetbackwhenthereisstillhope.Wishyouhappinessandgoodhealth.Sincerelyyours,LiHua保护体的内环境与稳态