广西专用2021高考化学一轮复习专题8第1讲弱电解质的电离平衡课件苏教版

精心整理导学教育中考英语七上复习资料Unit11来自befrom=comefrom2和…住在一起livewith…3靠近..closeto=near4艺术老师anArtteacher5姐姐aneldersister6乘车上学gotoschoolbybus/takeabustoschool7擅长begoodatdoingsth.=dowellindoingsth.8交朋友makefriendswith…9来自世界各地的朋友peoplefromallovertheworld=around10发邮件给某人emailsb.11离…很远farawayfrom….12…..的意思是themeaningof….13在某人的空余时间inone’sfreetime14…的答案是theanswerto…15一个德国女孩aGermangirl16在互联网上ontheInternet17放风筝flyakite/flykites18收到某人来信hearfromsb=receive/getaletterfrom19最美好祝愿bestwishes20许多朋友alotof/lotsof/manyfriends21洗澡takeabath22想做某事wouldliketo=wantto…23你多大了？What’syourage?/Howoldareyou?24完成complete=finish4.workas+职位名称作为…而工作6.walktoschool=gotoschoolonfoot走路去上学7.bekeenon(doing)sth=beinterestedin对….感兴趣8.enjoy(doing)sth=likedoingsth喜欢做某事9.replytosb回信给某人11.aphotoof一张…的图片13.speakChinese说中文15.inthemiddle在中间20.writetosb写信给某人，注意payattentionto以…开始beginwith参考书referencebook语法1：特殊疑问词及其引导的特殊疑问句（what,where,when,how,why,which）Whatreferstothings.对事物提问（什么）(可以用来询问职业)Wherereferstoplaces.对地点提问（在哪里）Whoreferstopersons.对人提问（谁）Howreferstoways.对年龄提问（多大年纪，几岁）Howoldreferstoages.对某人或情况提问（怎么样）Whenreferstotimes.对时间提问（何时）whattime(只能用来问具体几点钟)Whyreferstoreasons.对原因提问（为什么）whichreferstokinds(种类).对事物或人称提问（哪一个，哪一位）Howmanyrefersnumbers.对数量提问（多少）Howold...多大年纪Howoften...多经常，多久一次Howfar...多远Howlong...多长时间Howsoon多快，多语法2：不定冠词的用法不定冠词有a和an两个，仅用在单数可数名词前。a用于发音以辅音音素（不是辅音字母）开头的单词前面；an用于发音以元音音素（不是元音字母）开头的单词前面。一般而言,元音字母在单词中发元音,辅音字母在单词中发辅音，但偶有特例特例anhour一个小时anhonestboy一个诚实的男孩auniversity一所大学useful/uselessthing有用/无用的东西aEuropean(cat)一个欧洲人/一只欧洲猫ausualday平常的一天aone-dayholiday一天的假期1表示一类人或物，a/an不用翻译Anelephantisheavierthanahorse.2用于第一次提到某人或某物之前Isawagirlrunningontheplayground.Thegirllivesclosetoourschool.3表示数量，有“一”的含义Thereisapictureonthewall.4表示“每一”，相当于everyTakethreepillsadayandyou’llgetbetter.5用于序数词之前，表示“再一”相当于anotherShehasfailedtwice.Shewantstotryathirdtime.6用于某些不可数名词之前，表示“一种，一场，一堆aheavyrainalonghistoryUnit21.juniorhighschool初级中学2.onceortwiceaweek一周一两次4.onfoot步行5.learnabout…了解6.brushone’steeth刷牙7.playtabletennis打乒乓球8.rideabicycle骑车9.takepartin…参加10.haveagoodtime玩得高兴11.morningbreak早间休息12.laterintheafternoon下午晚些时候13.playtheguitar弹吉他playthepiano弹钢琴15.havebreakfast/lunch/dinner吃早餐/午餐/晚饭16.washone’sface洗脸washone’sclothes洗衣服18.arriveat…到达19.intheworld在世界上20.helpsbwithsth=helpsbdosth帮助某人做某事21.between…and…在…和…之间22.from…to…从…到…23.prepareone’slessons备课24.domorningexercises做早操25.apieceofbread一块面包26.cookdinner做饭after-schoolactivities课外活动talkabout谈论，交谈sendsth.tosb.=sendsb.sth.给某人送某物onthewayto...去......的路上workon...忙于......oneofthebest...最好的......之一asksbtodosth要某人做某事seldom--notoftenbreak---shortrestring--makesasoundend-stopgoto…onfoot-walkto…together-witheachothereveryone----allpeoplefriendly--niceandkindstart---beginpractice----exercisetakepartin---joininhaveagoodtime-enjoyoneself--havefunallovertheworld--everycountryintheworld---aroundtheworld【一般现在时态】1.表示经常性、习惯性的动作或存在的状态。例如:Igototheparkbybus.我乘公交车去这个公园。2.表示主语的特征、性格、能力、爱好等。例如:Hecandance.他会跳舞。3.表示客观真理。例如:TheEarthgoesaroundthesun.地球围绕着太阳转。【频度副词及频度副词短语】一、频度副词是用来表示动作频率的词,包括:always（100%）usually（80%）often（60%）sometimes（40%）seldom（20%）never（0%）二、频度副词短语包括:onSaturdays,inthemorning(intheafternoon/intheevening),everyday,twiceaweek,threetimesamonth等。注意:频度副词及频度副词短语在句中，通常位于be动词或助动词之后,行为动词之前。常和一般现在时连用。Unit31.在地球上onEarth2.在陆上上ontheland3.在水下underthewater4.为某人提供某物providesb.withsth.=providesth.forsb.5.把…倒入…put…into6.停止做某事stopdoingsth.7.在天空中inthesky8.许多alotof=lotsof9.保护地球protecttheEarth10.看…lookat11.在…脸上onone’sface12.在天空/在空气中intheair13.将……抬起lift…up14.需要…去做…need…todo…15.让……活着keep…alive16.扔掉throwaway17.解决问题solvetheproblem18.查明，弄清findout19.不同种类的…differenttypes/kindsof20.拯救海洋savetheseaburn---set…onfiremust---havetoprovidesb.with...----givesb.sth.pattern---wayquiz---testafew---somedangerous---notsafewaste---rubbishprotect---keep…safe--keep...from可数名词单数变复数规则:(1)绝大多数名词直接在词尾加s变成复数hand,desk(2)以s,x,ch,sh结尾的名词变复数要加es,bus,glass,box,watch,dish(3)以辅音字母+y结尾的名词变复数时,变y为i再加es:body,city,factory(4)以f或fe结尾的名词,将f或fe变为v加es,life,knife,leaf(5)以结尾的名词有两种：potato–potatoestomato–tomatoeshero--heroes但：photospianosradioshipposvideoszooskilos注意:一些特殊名词的复数:child-childrenmouse-miceman–menwoman-womenpoliceman-policemenfireman–firemenfisherman–fishermenFrenchwoman-Frenchwomen但：German-Germansfoot-feet,tooth--teeth下面这些名词的单复数相同Chinese,Japanese,sheepfish,deer二、不可数名词不可数名词没有复数形式,不能与a,an连用。不可数名词表示数量的时候,可以用量词来表达,其结构是:数词+量词+of+名词。其中,量词有单复数形式threebottlesofwater,twocupsoftea量词既可以修饰不可数名词,也可以修饰可数名词,修饰可数名词时,必须用复数形式。abagofapplestwobagsofapplestenboxesofeggs不可数名词作主语,谓语动词用单数。【thereis/are的用法】Thereis+单数名词（或不可数名词）Thereare+复数名词Isthere...?Arethere...?如果therebe后的主语是并列名词时,则根据第一个名词的单复数确定be的形式,即就近原则。注意:1.当主语是可数名词单数或者是不可数名词时,其谓语动词用单数形式。2.当主语是可数名词复数时,则谓语动词用复数形式。3.如果therebe后的主语是并列名词时，则根据第一个名词的单复数确定be的形式,即就近原则。Unit41.getwarm变暖和2.blowgently温和地吹3.turngreen变绿4.takeatrip(to…)旅行5.gotothebeach去海边6.goonapicnic去野餐7.atthistimeofyear在一年的这个时候8.makesnowmen堆雪人9.spendtimewithsb.和某人一起度过spendtimedoingsth.花时间做某事10.duringtheSpringFestival在春节期间11.duringthewinterholidays在寒假期间12.haveagoodtime玩得高兴13.talkabout谈论14.enjoydoingsth.喜欢做某事15.getmarried结婚16.getredpac