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学必求其心得，业必贵于专精学必求其心得，业必贵于专精学必求其心得，业必贵于专精Teachinggoals教学目标1。Targetlanguage目标语言WordsandexpressionsofsequenceEverydayEnglish2。Abilitygoals能力目标Enablethestudentstopayattentiontotheintonationinquestions。Enablethestudentstowriteadescriptionofanexperiment，andpayattentiontothefunctionwords.3.Learningabilitygoals学能目标Helpthestudentslearnhowtowriteadescriptionofanexperimentaccordingtotheoutline.Teachingimportantanddifficultpoints教学重点和难点Helpthestudentsorganizetheideasaboutanexperiment。Teachingmethods教学方法Question—answermethodandpairwork。Teachingaids教具准备Acomputer,aprojectorandarecorder。Teachingprocedures＆&ways教学过程与方式StepⅠRevisionCheckthestudents’homework.ForPRONUNCIA—TION,askthestudentstoreadthefivesentences，andthenplaythetapeforthemtofollow。Askthemwhathappenswhentheyreadquestions。ForEVERY-DAYENGLISH，askthestudentstochoosethecorrectmeaningsindividually,andthenaskthemtocomparetheiranswerswiththeirpartners’.Atlast，checktheanswerswiththewholeclass。StepⅡExercise5(P92）Thisexerciseasksthestudentstousethegivenwordstodescribethepicture.Givethem2or3minutestopreparethetask,andthenasksomeofthemtoreadouttheirdescriptions。T：Well,nowlet’slookatthepictureandthegivenwordsinExercise5.We’llusethesewordstodescribethepicture。Pleaseworkinpairstodothejob。Twoorthreeminuteslater，I’dlikesomeofyoutodescribethepicturetothewholeclass.Twoorthreeminuteslater.T：Whichpairisreadytodescribethepicture?S1：OK。Bobisdoinganexperimentinthechemistrylab。Onthetablethereisacrucible,abeaker，aBunsenburner，apairoftongs，twonailsandatesttubeholder。Bobisholdingatubeandaglassrod.Perhapsheisgoingtopoursomeliquidinthetubeintothebeaker。T：Thisisagooddescription。Youhaveusedallthegivenwords.Whoelsewouldliketotry?S2:Letmetry。Aftertheincident，Paulbecomesmoreandmorecareful.Nowhe’sgoingtodoanotherexperiment。Firstheputsacrucible,aBunsenburner，apairoftongs，twonails,abeaker，andatesttubeholderonthetable。Thistime,heexamineswhathetakesfromthecupboardagainandmakessurethathedoesnotmakeamistake。Nowheisholdingatesttubeinonehandandaglassrodintheotherhand。Look,howseriousheis!T：Whatagoodjobitis!Thestyleistheman(文如其人）.Yourdescription,justlikeyou，isverylivelyandlovely。Now，let'sturntopage48andlookatFUNCTION.StepⅢFunctionThepurposeofthispartistoletthestudentsmasterthewordsandexpressionsofsequence.Askthestudentstolookatthewordsinitalicsandthenanswerthequestion：Whendoweusethem?T：Nowlookatthewordsinitalics。Whatarethey？Ss：First,then，next，afterthat，andlastly.T:Whendoweusethem？S1：Whenwewanttotellsomethingaccordingtothetimewhenthethinghappens.S2:Wecanalsousethemwhenwe'remakingaplantodoathing。T:Right.Whatyousaidmeans“sequence”or“connectedlineofevents，ideas，andsomethingelse".Well,readthepassageagainandthenturntopage96.We'lldotheSpeakingandwriting.StepⅣSpeakingandWriting(P96)Thepurposeofthispartisveryclear。Thatistoaskthestudentstopracticethewayofdescribinganexperiment，andalsomakeuseofthefunctionwords。T:Nowlet’sturntopage96andlookatExercise16.Doyouknowwhatyouaresupposedtodo？Ss:Yes。T：OK，matchtheheadingswiththeparagraphsquickly。Pleasepayattentiontothefunctionwords。Checktheanswerswiththeclass。T：NowlookatExercise17。WearegoingtowriteadescriptionoftheexperimentinActivity13。Youcanrefertotheplanandpicturesonpage95toorganizeyourideas.Asampledescription：Aim:Theaimofthisexperimentistowriteasecretmessagewithinvisibleink.Equipment：alemon，asmallcontainer,apen,somewhitewritingpaper,acandleandsomematches。Method：First，squeezethelemonandpourthejuiceintoacontainer.Next，takeyourpenanddipitintothelemonjuice。Thenwriteyourmessageonacleansheetofwhitepaper。Afterthat,blowthepapertodrythelemonjuice。Next,lightacandlewiththematches.Finally,holdthepapernearthecandleflame。Result:Themessagewillgraduallyappearonthepaperwithlightbrowncolorwords。Conclusion:Themessageappearswhenyouheatitbecausethelemonjuicereactswithoxygenintheair.Thisreactionproducesabrowncoloredoxidewhichyoucansee。StepⅤHomeworkTASKonpage50。Asamplereport:ASimpleScientificExperimentBelowisadescriptionofasimplescientificexperiment.Itshowsusthehydrolysisofsalt（盐类的水解）。Aim：Tofindouttheacidity（酸性）andalkalescence（碱性)ofthesolution（溶液)withthesamethickness.Apparatus：Phtestpaper,glassrod,glasssheet,testtube,Na2CO3,NH4Cl，NaClwiththesamethickness。Method:1）AddNa2CO3，NH4ClandNaCltothreedifferenttesttubestoformthreedifferentsolutionswiththesamethickness。2）PutapieceofPhtestpaperontheglasssheet。3）PutglassrobinthetubewithNa2CO3init，andgetsomesolutiontothepaper。4)FindoutPHinthecolorcomparator。5)Repeatthestagesfrom2—4withNH4ClandNaCl.Result:Solution PHNa2CO3 11NH4Cl 6NaCl 7Conclusion：Thesaltfromstrongacidandweakbaseisneutral.Thesaltfromstrongandweakbaseisacidity.Thesaltfromweakacidandalkaliisalkalescence。附 件AboutDingZhaozhong DingZhaozhong，academicianofAmericanAcademyofScience,experimentalphysicist.BorninAnnArbor，MichiganonJanuary27，1936,hewasbroughtbacktoChinabyhisparentswhenhewasthreemonthsold.HemovedtoTaiwanwithhisparentsin1949.HewenttoMichiganUniversitytostudyinthedepartmentsofphysicsandmathematicsin1956，wonMaster'sdegreein1960，PhDinphysicsin1962。HeonceworkedintheNuclearCenter Dr.DingdiscoveredＪ／ψparticlein1974andwontheNobelPrizeforthiswithanotherscientistin1976.YoungstersGoforScience，TeachingProfessions Whichcareerwillyouchoosewhenyougrowup? ForChineseyoungsters，scienceoreducationarenowthemostpopularchoices，accordingtoarecentsurveybytheAll—ChinaWomen’sFederation. Chineseyoungpeopleusedtochoosecareersinbusinessorfilmsonlyafewyearsago,occupationswhichwouldbringthemwealth，fameorboth。Butthelatestpollhasrevealedthat28。12percentofallthe3,500youngpeoplesurveyed,agedbetween6and18,expressedtheirkeennesstobecomescientistsinthefuture,withanother17percenthopingtobecometeachers.TheysaidthatWuWenjun，aChinesemathematician,andYuanLongping，the“fatherofhybridrice”,havesetgoodexamplesforthem.Boththescientistshavemadeoutstandingachievementsintheirrespectivefieldsandwon5millionyuan（US$604，000）eachincashinFebruarythisyearbywinningthecountry’stopscienceandtechnologyawardfortheyear2000。 ThesurveywasconductedinBeijingandShanghaimunicipalitiesandfiveotherprovincesaroundChina。Theyoungsters’mothers，mostofwhomhadseniorhighschoolorhighereducationalbackgrounds,alsofilledinquestionnaireswhichaimedtorevealChinesefamilies’currentattitudestowardsnewtrendsinchildren’seducation。 ThemothersheldthefirmbeliefthattobecomewealthythroughknowledgewouldcorrectlyguideChinesesocietyintoitsnextphaseinthenewknowledgeeconomyera。 Inrecentyears，theChineseGovernmenthasbeencallingforpeopletohaveagreaterrespectforscienceandknowledge,andhasencouragedintellectualstomakethemselvesrichthroughknowledge。SocialstatusandeconomiclevelsofChinesescientistsandteachershavesinceseenobviousimprovements. Thesurveyhighlightedabigchangeinordinarypeople'svaluesandtheirconceptsofeducation，whichwasaresultofChina’ssocialadvancement，saidGuanHongyu,directoroftheeducationmanagementdepartmentoftheBeijingInstituteofEducation。

Chineseparentsarewellknownfortheirconcernsabouthowwelltheirchildrendoatschool.Butaccordingtothelatestpoll，roughlyhalfofthemothersbelievedagoodchildshoulddependonhimselforherself，andconstantlystrivetopursuehisorherdream。Some33.57percentoftheyoungsterssurveyedagreedwiththisopinion。 “Chinaistransformingitselffromasocietythatusedtobesolelyconcernedaboutschoolcertificatestoonethatrequiresall—roundabilities.”Guanre-marked。IntroductiontotheSchoolofPhysics,Peking In1902，theDivisionofMathematicsandPhysicswasestablishedintheMetropolitanUniversity（originalnameofPekingUniversity）。Itwasthebeginningofthehighereducationofmathematicsandphysicsin In1913,The“WuLiMen”（PhysicsDepartment）wasformedintheUniversity,whichwasthefirstphysicsundergraduateeducationunitinChina。 DuringtheWarofResistanceagainstJapan，PekingUniversity,TsinghuaUniversityandNankaiUniversitymovedtoKunmingandformedtheNational In1952，China'shighereducationsystemreorganizeditscollegesanddepartments。FormerPhysicsDepartmentsofTsinghuaUniversityandYanjingUniversity In1950’s，somesubdivisionsofPhysicsDepart-menthaddevelopedintonewdepartments,suchasGeophysicsDepartmentandElectronicsDepartment.Inaddition,DepartmentofTechnicalPhysics，whichisthefirstnuclearsciencedepartmentinChina，wasestablishedbasedonstaffsandstudentscomingfromaroundthecountry。 Since50yearsaftertheliberation,physicsdepart-mentsinPekingUniversityhavecultivatedthousandsofscholars，includingmorethan90academiciansoftheChineseAcademyofScience。Lecturesandtext— Atthebeginningoftwenty-firstcentury，onthewaytowardstheworld-classuniversity，PekingUni—versityisreformingitsinternalorganizationsystem。OnMay18th，2001theSchoolofPhysicswasestablishedbasedonformerPhysicsDepartment,AtmosphericScienceDivisionofformerDepartmentofGeophysics,formerDepartmentofTechnicalPhysics,formerDepartmentofAstronomy,formerInstituteofHeavyIonPhysicsandsomeinter-disciplineresearchcenters,totalingabout320staffsandabout1，500students.Inthisnewlycombinedschoolthereare6academiciansofAcademyofScience,5Chang SchoolofPhysicsofPekingUniversitywillkeepanddevelopitsfineacademictraditionsandwillmakegreatestefforttopromoteitseducationandresearch。