专题35不等式（同步练习）一、判断两个数的大小和不等式证明例1-1．已知、为正数,且,比较与。abab33ab22abab变式1-1-1．比较与的大小,其中。aa11aa1a变式1-1-2．比较与的大小,其中。43aa54aa5a例1-2．已知,试比较与的大小。a0aa12变式1-2．比较与的大小,其中且。)1log(aa3)1log(aa2a01a例1-3．已知,试求的取值范围。222变式1-3．设且,,求的取值范围。bxaxfx...
Unit6Topic1(考试时间：45分钟,满分：100分)一．根据首字母或汉语提示填空。（每小题1分,满分5分）1.Helivesatthe___________(顶部)floorofthebuilding.2.I’dliketobookas___________roomwithtwobeds.3.Theheadmastercalledonthestudentstor___________moneyforthepoorboy.4.Ifyouwanttolivemorecomfortably,you’dbetterbuya___________(冰箱).5.Theysharea___________(配合的)interestinreading.二．用所给词的适当形式填空...
专题35不等式（同步练习）一、判断两个数的大小和不等式证明例1-1．已知、为正数,且,比较与。变式1-1-1．比较与的大小,其中。变式1-1-2．比较与的大小,其中。例1-2．已知,试比较与的大小。变式1-2．比较与的大小,其中且。例1-3．已知,试求的取值范围。变式1-3．设且,,求的取值范围。二、解一元二次不等式例2-1．解关于的不等式：。2例2-2．解关于的不等式：。例2-3．求不等式的解集。3例2-4．解关于的不等式：(,为常数)。三、基...
Unit5FeelingExcitedTopic2I’mfeelingbetternow.SectionB随堂练习一、根据首字母或汉语提示补全句子。1.Bethlooksunhappybecauseshef______theEnglishexam.2.Youmusthavethesamef______(感觉,感触)asallofusafterreadingthee-mail.Thatissurprising.3.Accordingto(根据)thestory,ifs______callsyournameatnight,youmustn’tanswerit.4.Tom’ssisterlaughedandlaughedathisfunnyj______(笑话,玩笑).二、单项选择。1.Thelittlebo...
Unit6Topic1(考试时间：45分钟,满分：100分)一．根据首字母或汉语提示填空。（每小题1分,满分5分）1.Helivesatthe___________(顶部)floorofthebuilding.【参考答案】top【解析】topn.顶部,（物体的）上面.2.I’dliketobookas___________roomwithtwobeds.【参考答案】standard【解析】standard[stændə(r)d]adj.标准的n.标准。3.Theheadmastercalledonthestudentstor___________moneyforthepoorboy.【参考答案】raise【解析】ra...
Unit5FeelingExcitedTopic3ManythingscanaffectourfeelingsSectionB随堂练习一.根据句意和汉语提示补全单词。1.Joycedidthebestinthespeech.Weareall______(骄傲的)ofher.【参考答案】proud【解析】beproudofsb以为骄傲.2.The______(老板)ofthecompany(公司)sentmuchmoneytothepoorboy,sohewasabletokeeponhisstudies.【参考答案】boss【解析】bossn.老板；复数bosses.3.HisEnglishisnotverygood,butheshowedtheforeignertheway...
专题06数列（同步练习）A卷一、数列的递推公式与通项公式(一)明确指出等差或等比数列：1、设等差数列的首项为,公差为(),形成关于和的方程组,解和；1addR1ad1ad2、设等比数列的首项为,公比为(且),形成关于和的方程组,解和；1aqqRq01aq1aq例1、已知为等差数列,且,,求数列的通项公式。}{an831aa1242aa}{na例2、已知等差数列的前项和为,且满足：,,求数列的通项公式。}{annSn1442aaS770}{na例3、已知等比数列的...
专题05函数的定义域、解析式、值域（同步练习）一、求函数定义域例1-1．函数的定义域为()。A、B、C、D、例1-2．函数的定义域为。例1-3．函数的定义域为。例1-4．函数的定义域为,则函数的定义域为。例1-5．设,则的定义域为。例1-6．已知函数的定义域是,则函数的定义域为。例1-7．已知函数的定义域为,则函数的定义域为()。A、B、C、D、二、求函数解析式例2-1．已知函数是一次函数,且,则的解析式为。例2-2．已知函数满足,则的解析...
Unit5Topic3(考试时间：45分钟,满分：100分)一．根据句意及首字母提示填空。（每小题2分,满分10分）1.Carriewillgiveas___________infrontofallherclassmates.【参考答案】speech【解析】give/makeaspeech发表演讲.2.Hisauntcan’tfindherp___________,soshewon’tgotoEnglandtomorrowmorning.【参考答案】passport【解析】passport[ˈpɑ:spɔ:t]n.护照.3.Itisimportantforustoprotectoure___________.【参考答案】environment...
Unit6EnjoyingCyclingTopic2HowaboutexploringTiananmenSquare?SectionA随堂练习一．根据句意及首字母或汉语提示补全单词或短语。1.—Whataretheydoinginfrontoftheclass?—Theyare____________(为做准备)newlessons.【参考答案】preparingfor【解析】preparefor为做准备。2.—I’mafraidthatIcan’t____________(算出）themathproblem.—Tryyourbest.You’llfindaway.【参考答案】workout【解析】workout算出。3.—Doyouhearfr...
Unit7Topic2(考试时间：45分钟,满分：100分)一．根据句意,用括号内所给单词的适当形式填空。（每小题1分,满分5分）1.Theteaistoostrong.Youneed_________(add)somemorewaterslowly.2.InpartsofIndia,peopleusetheir_________(finger)topickupthefood.3.Ithinkriceisgrowninthe_________(south)partofChina.4.It’s_________(polite)toleaveassoonasyoufinisheatinginChina.5.It’sbadforyourhealthifyoualwayshave_________(qui...
Unit6EnjoyingCyclingTopic1Weregoingonathree-dayvisittoMountTaiSectionD随堂练习一．用括号内所给词的适当形式填空1.Ihavesomethingimportant(tell)you.【参考答案】totell【解析】动词不定式做后置定语。2.Annistooshy(speak)inpublic.【参考答案】tospeak【解析】too+adjtodosth太...而不能。3.Pleasetellher(be)brave.【参考答案】tobe【解析】tellsbtodosth告诉某人做某事。4.Myfriendinvitesme(visit)hisnewhouse.【参...
Unit5FeelingExcitedTopic2I’mfeelingbetternow.SectionA随堂练习一、根据首字母或汉语提示完成单词或短语,使句意完整。1.Myparentsarequite_____(严格的）withmeinmystudy.2.—Tom,whatareyoudoing?—I’mpreparingfortomorrow’sEnglishe_____.3.Mr.Liuisalonelyman,sohehasfewfriendsto__________(交谈).4.Thegirlistoo_____(害羞的）tospeakinclass.5.Michael_____(跌倒)fromthebikeandhurthimselfyesterday.二、单项选择1...
Unit7FoodFestivalTopic2ImnotsurewhetherIcancookitwell..SectionD随堂练习一.根据句意及汉语提示拼写单词短语。1.Good____________(饮食习惯)aregoodforourhealth.【参考答案】eatinghabits【解析】eatinghabits饮食习惯。2.Inthe__________(南部)partofChina,itoftenrainsinsummer.【参考答案】southern【解析】inthesouthernpartofChina在中国南方。3.Ihelpedhim____________(捡起)hisbooks,andaskedhimwherehelived.【参考...
Unit7Topic1(考试时间：45分钟,满分：100分)一．用所给词的适当形式填空。（每小题2分,满分10分）1.Wouldyouliketohavesome_________(Russia)blackbread?It’sfamous.【参考答案】Russian【解析】Russian[ˈrʌʃən]adj.俄国人n.俄国人；俄语。2.Manychildrenlikefastfoodlike_________(fry)chicken.【参考答案】fried【解析】friedchicken炸鸡。3.Thisdictionaryisvery_________(help)inlearningEnglish.【参考答案】helpful...
Unit6Topic2(考试时间：45分钟,满分：100分)一．用括号内所给单词的适当形式填空。（每小题2分,满分10分）1.—Howaboutgoing_________(camp)thisweekend?—That’sagoodidea!2.Whenyougotoanewplace,youshouldrememberthe_________(direct).3.Whilehewaspushinghiswayout,someone_________(step)onhisfeet.4.Tomislookingforwardto_________(receive)hisfather’sletter,becausehisfatherworksfaraway.5.ThereChairmanMaoannoun...
Unit6EnjoyingCyclingTopic3Bicycleridingisgoodexercise.SectionA随堂练习一．根据句意及首字母提示补全下列单词。1.Therearetoomanyp___________onthebus.Let’stakethenextone.【参考答案】passengers【解析】passenger[pæsindʒə(r)]n.乘客。2.-Whydon’tyoulikelivinginthecity?-Becauseairp________istooserious.【参考答案】pollution【解析】pollution[pəlu:ʃn]n.污染。3.TodayIdon’twanttogoa________.Ijustwantt...
Unit5Topic1(考试时间：45分钟,满分：100分)一．根据句意及首字母提示补全单词。（每小题2分,满分10分）1.I’lli_________somefriendstocometomybirthdayparty.【参考答案】invite【解析】句意：我会邀请一些朋友来参加我的生日聚会。结合句意及首字母提示,可知这里表示“邀请”,且是一般将来是,will后跟动词原形,故填invite.2.Ourteacherstaughtustosingl_________songsbeforeclass.【参考答案】lively【解析】句意：我们的老...
Unit5FeelingExcitedTopic1Youlookexcited.SectionC随堂练习一、根据句意及汉语或首字母提示拼写单词。1.Childrenareinterestedinlively(充满生气的)songs.2.Lookatthemaninred!Heseems(好像)activeverymuch.3.—Whatareyougoingtodonextweek?—Myfriendsinvite(邀请)metoBeijingforavisit.4.Ifyouhavenofriends,youmayfeellonely.5.Heansweredalmostallofmyquestions.二、单项选择。看谁选得又准又快。1.Thelittleboyplays____...
Unit6EnjoyingCyclingTopic3Bicycleridingisgoodexercise.SectionD随堂练习一．单项选择。()1.Heilongjiangprovince,____it’sname____Heilongjiang,ariverbetweenChinaandRussia.A.has;fromB.lends;toC.borrows;fromD.has;by【参考答案】B【解析】lendone’snameto以某人的名字命名（某地方）。()2.Thewholejourney(旅程)_______morethan3000miles,buttheymanagedtofinishitbybikeinlessthan10days.A.reachedB.lastedC.tookD.c...
