Unit 4 Natural Disasters Discovering Useful Structures 课件-2024-2025学年高一上学期英语人教版（2019）必修第一册.pptxVIP

Unit4NaturalDisastersLivetotell:RaisingAwareness,ReducingMortality.用生命呼吁：增强减灾意识，减少人员伤亡。Describepicturesofdisasters

Warm-upLittletest1.Whichthingisthewarningsignbeforetheearthquake?Wecouldfindunusualbehaviourthatanimalsshow.Thewaterthatwasinthevillagewells（井）roseandfell.Therearesomepeoplewhopostsomeearthquakepredictionmessages.

2.Imagineyouareintheclassroomwhenanearthquakehappens.Whatshouldyoudo?We’dbetterstayunderthetablesthatcouldprotectus.JumpoffthebuildingFollowtheteachersarrangement

Discovingthestructure1.Wecouldfindunusualbehaviourthatanimalsshow.2.Thewaterwhichwasinthevillagewellsroseandfell.3.Therearesomepeoplewhopostsomeearthquakepredictionmessages.4.We’dbetterstayunderthetablesthatcouldprotectus.Restrictiverelativeclause(限制性定语从句)Relativepronoun（关系代词）Antecedent（先行词）

Whydoweuserestrictiverelativeclause?1.Wecouldfindunusualbehaviourthatanimalsshow.2.Thewaterwhichwasinthevillagewellsroseandfell.3.Therearesomepeoplewhopostsomeearthquakepredictionmessages.4.We’dbetterstayunderthetablesthatcouldprotectus.

Wecouldfindunusualbehaviourthatanimalsshow.SummaryTherearesomepeoplewhopostearthquakepredictionmessages.Conclsion1:Arestrictiverelativeclausemakesthesentencemore_______.Ittellsuswhich______________(theantecedent)wearetalkingabout.clearpersonsorthings

Whatrelativepronounsdoweknow?Whatfounctionsdotheyhave?that,which,who,whom,whosethatObservethesentencesandfindouttheusagesofrelativepronouns（关系代词）.Task

Findandunderlinetherestrictiverelativeclausesinthesentencesbelow.TheTangshanearthquakewasaterribleexperiencethatmygreat-grandmacannotforget.restrictiverelativeclause(限制性定语从句)先行词关系代词

Findandunderlinetherestrictiverelativeclausesinthesentencesbelow.Thesupplieswhichwereprovidedtothedisasterareawerecollecte