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设计任务：请阅读下面学生信息和语言素材.设计一节英语写作课教学方案。
教案没有固定格式，但须包含下列要点：
teachingobjectives
teachingcontents
keyanddifficultpoints
majorstepsandtimeallocation
activitiesandjustifications
教学时间：45分钟
学生概况：某城镇普通中学高中二年级学生，班级人数40人。多数学生已经达到《普通高中英语课程标准(实验)》六级水平。学生课堂参与积极性一般。
语言素材：
TheBandThatWasn’t
Haveyoueverwantedtobepartofabandasafamoussingerormusician?Haveyoueverdreamedofplayinginfrontofthousandsofpeopleataconcert,atwhicheveryoneisclappingandappreciatingyourmusic?DoyousingkaraokeandpretendyouareafamoussingerlikeSongZuyingorLiuHuan?Tobehonest,alotofpeopleattachgreatimportancetobecomingrichandfamous.Butjusthowdopeopleformaband?
Manymusiciansmeetandformabandbecausetheyliketowriteandplaytheirownmusic.
Theymaystartasagroupofhigh-schoolstudents,forwhompracticingtheirmusicinsomeone’shouseisthefirststeptofame.Sometimestheymayplaytopassers-byinthestreetorsubwaysothattheycanearnsomeextramoneyforthemselvesortopayfortheirinstruments.Latertheymaygiveperformancesinpubsorclubs,forwhichtheyarepaidincash.Ofcoursetheyhopetomakerecordsinastudioandsellmillionsofcopiestobecomemillionaires!
However,therewasonebandthatstartedinadifferentway.ItwascalledtheMonkeesandbeganasaTVshow.Themusiciansweretoplayjokesoneachotheraswellasplaymusic,mostofwhichwasbasedlooselyontheBeatles.TheTVorganizershadplannedtofindfourmusicianswhocouldactaswellassing.Theyputanadvertisementinanewspaperlookingforrockmusicians,buttheycouldonlyfindonewhowasgoodenough.Theyhadtouseactorsfortheotherthreemembersoftheband.
Assomeoftheseactorscouldnotsingwellenough,theyhadtorelyonothermusicianstohelpthem.Soduringthebroadcaststheyjustpretendedtosing.Anyhowtheirperformanceswerehumorousenoughtobecopiedbyothergroups.Theyweresopopularthattheirfansformedclubsinordertogetmorefamiliarwiththem.EachweekonTV,theMonkeeswouldplayandsingsongswrittenbyothermusicians.However,afterayearorsoinwhichtheybecamemoreseriousabouttheirwork,theMonkeesstartedtoplayandsingtheirownsongslikearealband.Thentheyproducedtheirownrecordsandstartedtouringandplayingtheirownmusic.IntheUSAtheybecameevenmorepopularthantheBeatlesandsoldevenmorerecords.Thebandbrokeupabout1970,buthappilytheyreunitedinthemid-1980s.Theyproducedanewrecordin1996,withwhichtheycelebratedtheirformaltimeasarealband.
13【简答题】
设计任务：请阅读下面学生信息和语言素材，设计一节英语写作课教学方案。
Whatvocabularylearningstrategydoesthefollowingactivityhelptotrain?
Theteachercreatedasituationandaskedstudentstothinkofwordsandexpressionsthatcanbeusedinthatsituation.
AAssociation.
BGeneralization.
CCollocation.
DContextualization.
下面是某位高一数学教师教学偶函数时的教学片段，请详细阅读，然后回答问题。
师:同学们，前面我们学习了函数的基本性质一一函数的单调性，今天我们将继续学习函
数的基本性质:(边口述边板书课题)函数的奇偶性
什么是偶函数呢?
(投影，老师同时口述)
定义:如果对于函数f(x)的定义域内任意一个x，都有f(-x)=f(x)，那么函数f(x)就叫偶函数。
师:请同学们齐声朗读一边
生:(大家一起朗读)(略)
师:好!从这个定义看，偶函数有什么性质呢?请同学们4-5人一组，进行探索、讨论和交流，然后我们来交流探索结果。
(学生们纷纷结成4-5人一组，开展小组学习，大约经历了8分钟，期间教师参与了部分小组的讨论和指导)
师:现在我们请各个小组汇报探索结果
3【简答题】
该教师通过直接呈现偶函数定义的方式让学生获得概念，对此你有何看法?并说明理由。
概念的内涵和外延分别指的什么。
InanEnglishclass,theteacher,firstly,playstheradioandasksstudentstolistentothetapeandunderstandthedialogue.Then,theteacherasksstudentstoreadafterthetapetoimitatethepronunciation.Next,theteacherasksstudentstorepeatthedialogueinpairs...Whatteachingmethoddoestheteacheruseinthisclass?
ACommunicativeApproach.
BTask-BasedTeachingApproach.
CTheAudio-LingualApproach.
DTheAudio-VisualApproach.
数学概念引入的关键点是什么?如何使数学概念的引入更加自然?