高中英语：选必三U4Grammarandusage教案.docx

PAGE

PAGE4

Unit4Protectingourheritagesites

Grammarandusage：Appositiveclauses

内容分析：

本板块围绕单元话题,引导学生在有关“拯救埃及古庙”的语篇中观察、探究同位语从句的使用，归纳出核心规则；再通过句子、语篇两个层面的巩固练习，让学生内化相关知识；最后让他们运用所学，准确、恰当、得体地使用目标语法，完成一段关于遗产保护的简要对话，实现“形式-意义-使用”的统一。

教学目标：

Bytheendofthissection,studentswillbeableto:

identifytheuseofappositiveclauses;

workouttherulesofappositiveclauses;

useappositiveclausestofinishtherelatedtasks;

talkaboutheritageprotectionusingappositiveclauses.

教学重难点：

Toidentifytheusageofappositiveclauses;

Tousetheappositiveclausescorrectlyandproperly.

教学过程：

Step1Lead-in

Presenttwopictures

AbuSimbeltemples

AswanHighDam

Whatistheconnectionbetweenthesetwoplaces?

Step2Exploringtherules

Readthearticleonpage48andanswerthefollowingquestion:

HowweretheAbuSimbeltemplessavedfromtherisingwaters?

Possibleanswer:

Aninternationalteamworkedtogethertotakethetemplesapart,movedtheirpartstoanewlocationandthenputthembacktogether.TheyeventuallymanagedtorelocatealltheAbuSimbeltempleswithoutincident.

Step3Comparethefollowingpairofsentences

Thenewsthathetoldusatthemeetingmadeusexcited.

定语从句，修饰作用；that有意义，是连接代词,作宾语

ThenewsthatMarywouldbepromotedmadeusexcited.

同位语从句，表内容；that无意义，是连接词，不做句子成分

Possibleanswer

Thenewsthathetoldusatthemeetingmadeusexcited.

Inthefirstsentence,therestrictiveclause“thathetoldusatthemeeting”isusedtomodifytheantecedent(先行词)“thenews”.Theword“that”isarelativepronoun(连接代词),functioningasanobjectintheclause.

定语从句，修饰作用；that有意义，是连接代词,作宾语

ThenewsthatMarywouldbepromotedmadeusexcited.

Inthesecondsentence,theappositiveclause“thatMarywouldbepromoted”isusedtotellwhat“thenews”is.Theword“that”doesnotserveasandsentenceelementintheclause.

同位语从句，表内容；that无意义，是连接词，不做句子成分

UsefulExpressions

花几十年的时间ittookdecadesto...

关于…的分歧...divisionsover...