(新浙教版)数学八年级下课件：61反比例函数

人教课标高二选修6Unit5人教课标Unit5ThepowerofnatureUnit5ThepowerofnaturePage38UsingLanguagePage38UsingLanguageABCbeforelistening,lookatthepicturesbelowandguesswhatproblemsvolcanologistshavetoface.Thenlistentothetapeandseeifyouwereright.ABCbeforelistening,lookat2.Listentothreevolcanologists’talkingabouttheirmostfrighteningexperience.Writetheirnamesunderthepictures.

2.ListentothreevolcanologiABCFrankGoreJaneSmallSarahTangABCFrankGoreJaneSmallSarah3.Listenagainandfillinthechart.NameJaneSmallLengthoftimeasavolcanologist?Wherewasthevolcano?Whenwashe/shenolongerfrightened?5yearsAlaskaAftercollectingasampleoflava3.ListenagainandfillinthNameFrankGoreLengthoftimeasavolcanologist?Wherewasthevolcano?Whenwashe/shenolongerfrightened?10yearsHawaiiWhenbackondrylandNameFrankGoreLengthoftimeaNameSarahTangLengthoftimeasavolcanologist?Wherewasthevolcano?Whenwashe/shenolongerfrightened?20yearsNewZealandAfterthetremblingshebecameexcitedandforgottobefrightenedNameSarahTangLengthoftimea4.Listentothetapeoncemore.Writethenamesofthepersonbesidetheemotionalexpressionstheytalkedabout.I

becamesoexcitedthatIforgotmyfear.2.AtfirstIwasafraidthatthevolcanowoulderuptwhileIwasstillinsideit.JaneSarah4.Listentothetapeoncemor3.Iwastremblingasmuchastheground—andwassweatingtoo!4.Afterthat,Iwasneversofrightened

againbutI’malwayscareful.SarahJane3.Iwastremblingasmuchas5.Iwassoanxiousandcouldn’tmoveatfirst.6.Ifeltverynervousandhadtoforcemyselfnottopanic.JaneFrank5.Iwassoanxiousandcouldn7.AfterthatIbecameexcitedbytheexperienceandforgottobefrightened.8.IhadneverfeltsohappyasIlandedsafely.SarahFrank7.AfterthatIbecameexcited5.LookatthesentencesinExercise4aboveandcollectasmanywordsasyoucanthatexpressjoy,fearoranxiety.Theninpairstrytoaddmorewords.Bepreparedtotellyourlisttotheclass.5.LookatthesentencesinExJoyFearAnxietyexcitementhappinesspleasureamazementreliefenthusiasmeagernessgladnessdelightPanictremblingsweatingterrorterrifiedfrightenedshockednervousanxiousworriedbotheredconcernedJoyFearAnxietyexcitementhapp6.Thinkoforimagineapowerfulnaturalforce(suchasanearthquake,flood,typhoon,tsunami)thatyouhaveexperiencedorheard.Tellyourpartneraboutyourexperienceandhowyoufelt.UseexpressionsfromExercises4and5aswellasotheronesyoucanthinkof.6.ThinkoforimagineapowerSample

Irememberbeinginaverybadsnowstorm.WeweredrivingbacktomyhometownforSpringFestivalanditwasaverylongjourney.Iwasnearlyasleepinthebackofthecarwhenmyfathershoutedthattheroadwasbecomingquiteslipperywithsnow.SampleIrememberbeinginavSuddenlyweslidacrosstheroadandstopped.AtfirstIonlyfeltalittlenervous.Afterall,thecarwaswarmandmyparentsweretherebuttherewasalonglineofcarsaheadofusandnoneofthemweremoving.ThenIdidbegintofeelbotheredandconcerned.Myfathergotoutandwenttoinvestigate.SuddenlyweslidacrosstheroHereturnedtosaythatwewouldnotbeabletocontinueourjourneyuntiltheroadwascleared.Soonweweretoldthatthearmywasbringingsaltandsandtomaketheroadsafeagain.Wewaitedinthecar.Itgotcolderandcolder.IbegantotrembleeventhoughIhadablanketroundme.HereturnedtosaythatwewouWhatifthearmycouldnotcleartheroad!Ibegantopanic.JustwhenIfeltthatIcouldnotstandthesituationanymore,Iheardashout.Thearmyhadarrived,