第24单元一元二次方程24.2解一元二次方程学习新韦达是16世纪法国最伟大的数学家之一,当比利时数个一元45次的方程的求解问题向各国数学家挑战,法国问题交给了韦达,韦达当时就得出一解,回家后一鼓作得出22解,答案公布,震惊世界。像这种高次方程,有法,也就是说:对于每个次数的一元方程能否找出一公一直是各国数学家都想解决的一个问题。问题思考用配方法解一元二次方程2x2+4x+1=0.用配方法解一元二次方程的步骤:1.把原方...
Listening1ListentoPart1againandanswerthesequestions.1.WhatwasMarygoingtodowiththecookedplumsinthepan?Shewasgoingtoputtheminthefridgelaterwhentheyhadcooleddown.2.WhatdidJohnthinkMaryshouldhavedonewiththemessinthepan?Hethoughtsheshouldhavethrownitoutforthechickenstoeat.2Mary’sreactionJohn’sreactiontoherMarywilllaugh1Johnwillapologize.2Hewilltellhersheshouldnothaveleftthejamonthekitchentable.3Ma...
Unit3UsingLanguage11.Doyouthinkit’spossibleforhumanbeingtohaveatimetravel?2.IfyouhavethechancethetakeatimetraveltotheyearAD3005asLiQiangdid,whatplaceswillyougotovisit?Discussion2Doyouthinktherearealiencreaturesinouterspace?Whatdoyouthinktheylooklike?34Readthepassage,thenfinishthefollowingexercises51.Howmanytypesofcreaturesarementionedinthepassage?Whatarethey?2.Wherearetheyfrom?Twotypesofcreatu...
Unit2TheUnitedKingdomUsinglanguage1WhatisLondonfamousfor?HaveyoueverbeentoLondon?2BigBen3LondonTowerBridge4BritishMuseum5HydePark6LondonEyeLondonEye71.HowdidZhangPingyuplanhertour?First,shemadealistofthesitesshewantedtosee.Thensheplannedherfour-daytrip.Listenandanswerthequestions.2.MakealistofZhangPingyu’stourofLondon.8Day11.TheTowerofLondon2.StPaul’sCathedral3.WestminsterAbbey4.BigBen5.Bucki...
Unit3AhealthylifeWriting1Ⅰ.小随笔1.Whatisyourlifestyle?Doyouhaveagoodhabit?Astome,Ithinkmylifestyleishealthy,Ialwaysgetupandgotobedinastrictregulation.Thankstomygoodhabit,Iamhealthyandenergetic.Therefore,mygoodhabitplaysaveryimportantpartinourdailylife.Asasayinggoes,healthisbetterthanwealth.Franklyspeaking,Ireallybenefitalotfrommygoodhabit.过程性写作与讲练22.Whatdoyouthinkofotherpeople’shabit...
1Pre-reading:1.Canyoupredictwherehewillgonext?Giveyourreasons.2.Canyouguesswhatmayhappentohim?Hewillgotoarestauranttohaveameal.ThebossmaynotgivehimfoodbecauseHenrylookssopoor.Henrymaybelaughedatbypeopleintheshop.2ActOne,Scene4intherestaurantUnit3TheMillionPoundBank-note3Newwordssteak:eatlikeawolf:genuine:reserve:scream:fake:bow:athicksliceofgoodqualitybeef牛排eatfoodveryquicklyrealorderorbookgi...
1Whatdoyouknowaboutrobot?Arobotisamachinedesignedtodojobsthatareusuallyperformedbyhumans.Robotsareprogrammedandcontrolledbyacomputer.Step1Leadin2Step1LeadinHowmanydifferentkindsofrobotsdoyouknow?Entertainmentrobots3Step1LeadinHowmanydifferentkindsofrobotsdoyouknow?Industrialrobots4Step1LeadinHowmanydifferentkindsofrobotsdoyouknow?watersnakerobotACM-R5forunderwaterrescue5Step1LeadinHowmanydiffer...
Ifyou’rehappyandyouknowit,clapyourhands;Ifyou’rehappyandyouknowit,clapyourhands;Ifyou’rehappyandyouknowit,thenyoureallywanttoshowit;Ifyou’rehappyandyouknowit,clapyourhands!Stampyourfeet!ShoutHooray!Doallthree!Lets’enjoyasong!1Unit4BodylanguageReading2Itisoneformofcommunicationwithoutusinganywords.Gesture(手势)Posture(姿势)WhatisBodyLanguage?3eyecontact眼神交流facialexpression面部表情4smi...
Unit2RobotsWarmingup1Whatcanarobotdo?Itcandomanydifferentthings.2robotwaiterrobotworker3playmusicdanceplaythechess4sweepthefloorpourteacookdinner5playfootball6exploredangerousplaces7playwithusrideabike8serveus9Conclusion:Arobotcandoallthehousework.Itcanalsocookdinner,dothelaundry(洗衣服),iron(熨)shirts,makethebed,sweepthefloorandwashthedishes.Arobotcanalsolookafterchildren.10Childrenallliket...
Book4Unit1基础写作系列如何写人物介绍1Discussion1.人物介绍通常写哪几方面的情况(写作要点)?2.人物介绍常用的词汇和句型有什么?2人物简介的一般步骤:Givetherightorder()教育:education()外貌/性格appearance,character()生平bigeventsinhisorherlife(inorderoftime)()评估evaluation()概况age,sex,birth-place,background12345概,貌,育,平,估3平(估)菇概貌(盖帽)概,貌,育,平估介绍人物步骤记忆方法技巧:4审题的...
Unit2TheUnitedKingdom1Period12WarmingupandReadingI2EnglandWhenyoumentionEngland,whatorwhowillyouthinkof?Brainstorming:EnglishlanguageManchesterUnionBigBenQueenVictoriaCambridgeUniversityPrincessDianaWarmingup–I(2m)3Beckham4roseofEngland56RiverThames789WhatdoyouknowaboutUK?WhatisthecapitaloftheUK?Warmingup–II(2m)10quiz1.HowmanycountriesdoestheUKconsistof?A.twoB.threeC.four2.Howlongdoesittaketo...
ThesecondperiodListeningandspeakingUnit5Firstaid1Pre-listening•Whatwillyoudoifsomeonehashadanaccidentinthekitchenandisunconscious?•Wemaycalltheemergencyandaskforhelp.Thenmovethepersonoutofthekitchen.Listeningonp692•1.Listentotheconversationandcompletethetable,payattentiontothekeywords.While-listeningNameofthecallerSarahGrantTelephonenumberAddressWhathashappenedNumberofpeopleinvolved3•Listen...
早岁那知世事艰,中原北望气如山。楼船夜雪瓜洲渡,铁马秋风大散关。塞上长城空自许,镜中衰鬓已先斑。《出师》一表真名世,千载谁堪伯仲间。——陆游《书愤》1丞相祠堂何处寻?锦官城外柏森森。映阶碧草自春色,隔叶黄鹂空好音。三顾频烦天下计,两朝开济老臣心。出师未捷身先死,长使英雄泪满襟。——杜甫《蜀相》2《出师表》诸葛亮3表:古代奏议的一种,用于向君主陈说作者的请求和愿望。表文的内容一般不外乎议论和叙事,又往往带有...
HotLinks12•Thisisquitean_________news.•Therestaurantisstrangly_________.•Ihaveneverheardarestaurant______likethisbefore.excitingnamednamed3Ihadmyhair______yesterday.cut4•Thehouseisbroken.•Pleasegetthehouse_________(mend)now.mended5Isawthey______intherain.caught6•XiaoXinfoundallhismoney________(steal)onhiswayhome.stolen7unfinishedMymotherneverallowmetoplaycomputergameswithmyhomework_______...
12MollyandKatearediscussingthestorySatisfactionGuaranteed.Readthequestionsandthenlistentofinishthefollowingtasks.41.Listentotheconversationandtickthecorrectboxes.1.Whoreallylikesthestory?2.WhothinksthatClairelovedTony?3.WhothinksthatTonylovedClaire?MollyKate√√√54.WhothinksthatthepurposeofTony’sactionswastomakeClairefeelgoodaboutherself?5.WhothinkstakingTonyawaymusthavehurtClaire?6.Whosaidth...
Pastpaticiple1Thisisapollutedriver.Theriverispolluted.(过去分词作表语)(过去分词作定语)2Thevillageisflooded.Itisafloodedvillage.3Itisaninjuredtiger.Thetigerisinjured.4I.过去分词作定语1.单个过去分词作定语,通常前置a.及物动词的过去分词,具有被动和完成的意义。abrokencupawoundedsoldieranuninvitedguesttheexcitedcrowdAcupwhichisbrokenAsoldierwhowaswoundedAguestwhoisuninvitedThecrowdwhowereexcited5c)...
Doyouknowwhenandwherethe30thOlympicGamewillbeheld?1Couldyounamesomewell-knownplacesofinterestinLondon?2BuckinghamPalaceuniform3RoyalObservatoryinGreenwichLongitudeline4UsinglanguageSightseeinginLondon5MakealistofZhangPingyu’stourofLondonandacommentoneachplaceshevisited.skimming6sitesofLondoncommentsDay11234StPaul’sCathedralsplendidandinterestingBigBenfamousandverylouddelightTowerWestminsterAb...
Unit3:UsinglanguageReadinglistening1GreatinventionsinancientChina火药gun-powder司南Thecompass2印刷术movable-typeprinting3造纸术paper-making4Canyounamesomeofthemostinfluentialinventionsabroad,andtheirinventors.Waltandhissteamengine5ThomasEdisonandlightbulb6AlexandergrahamBelltelephone7FastreadingReadthepassageforthefirsttime,andmakeaprothegreatinventor--AlexanderGrahamBellBirthyear:Birthplace:...
教学目标:1、深入理解课文,了解寓意;2、分析愚公形象,领悟思想意义。1听起来是奇闻讲起来是笑谈任凭那扁担把脊背压弯任凭那脚板把木屐磨穿面对着王屋与太行凭得是一身肝胆想起来不是奇闻讲起来不是笑谈望望头上天外天走走脚下一马平川面对着满堂儿孙喔了却了心中祈愿无路难啊开路更难所以后来人为你感叹2作家作品★《愚公移山》选自《列子汤问》。★《列子》相传是战国时期郑国人列御寇所著,战国前期道家代表人物之一。★《列...
Unit5ThemeparksGrammar1I.LeadinInyourgroupmakealistofcompoundwordsyouknow.Telltheclassyourlistnextlesson.Homeworklasttime:2II.Practice1.Readthepassagequickly.Underlinethecompoundnounsinthereadingpassageandfinishthetableasfollows:3twoseparatewordsonewordwordsjoinedbyahyphenCompoundwordsaremadefrom:free-fall,old-fashioned,steam-engine,world-famouswhichever,whatever,wherever,southeastern,indoor,ou...