高二英语下册unit18教案.docx

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1、Unit18InventionsⅠ.BriefStatementsBasedontheUnitThisunitprovidesthestudentsgoodEnglishlanguagematerials.Theirinterestincreatingsomethingusefulwillbearoused.Inthefirstperiod,we’llstudentsbeginwithcomehowtotheschool.Thenproblemssuchasflattyrewillcomeup.Inordertosolvetheproblem,we’llse

2、eanewtypeofbicycleandothernewinventions.Whiletalkingaboutthem,thestudents’speakingabwillbeimproved.Listeningisabouttwomen,whowantpatents.Afterlisteningtoit,thestudentswillimprovetheirlisteningability.Andstudentswillpractisehowtoexpressandsupportanopinioninthespeakingpart.Inthesecon

3、dperiod,thetextwillbedealtwith.Thestudentsofcreationwillbegreatlyaroused.Studentswillimprovetheirreadingabilityaswellasmastertheusefulwordsandexpressions.Inthethirdperiod,someusefulwordsandexpressionswillbemasteredbythestudentsaftertheyfinishtheexercises.Also,theAttributiveclauseis

4、reviewedinthisperiod.Inthelastperiod,studentswilllearnsomeusefulwordsandexpressionsfromthereadingpassage.Andthestudentsareaskedtowriteanarticledescribingacomputertoimprovetheirwritingability.AfterSsstudythewholeunit,theirabilitiestolisten,speak,readandwritewillbeimproved.Ⅱ.Teaching

5、Goals1.Talkaboutinventions.2.Practiseexpressingandsupportinganopinion.3.ReviewtheAttributiveClause.4.Writeaprocessessay.Ⅲ.BackgroundInformation1.PracticalComputerEnglishCannotopenlistfile(不能打开清单文件)Cannotopenrunfile(不能打开运行文件)Compareprocessended(比较处理结束)Comparemorefiles(Y/N)(还作文件比较吗？)

6、Copycomplete(拷贝完成)Copyanother(Y/N)（还要拷贝另一个吗？）Underfindedlinenumber(未定义行号)Directoryentriesadjusted(目录页已调整)Diskbootfailure(磁盘自举失败)Disknotcompatible(磁盘不兼容)Datarecordtoolarge(数据记录太大)Entryerror(登记项错误)Errorloadingoperatingsystem(装入操作系统的错误)Filesharingconflict(文件共享的冲突)Filesaredifferentsize

7、s(文件大小不同)FilescompareOK(文件比较成功)Incorrectparameter(参数不正确)Insufficientdiskspace(磁盘空间不足)Insufficientmemory(内存空间不足)Can’tcontinue(不可能继续)第1页共22页Devicefault(设备故障)DeviceI/Oerror(I/O设备错)Devicetimeout(设备超时)Diskfull(磁盘满)Diskwriteprotect(磁盘写保护)Disknotready(磁盘没准备好)Divisionbyzero(除数为零)Duplicated

8、efinition(重复定义)Filealready