二零二三年 优质公开课外研英语三Module4introduction.ppt

Module4Introduction

Sandstormtheweather:Thereisstrong,drywindandtheskyisyellow.Sandstorm

theinfluence:thevisibilitydrops

theinfluence:It’sdangerousforustogoout

theinfluence:peoplehavetowearhoods,masksandglasses

theinfluence:carsslowdownandhavetoturnonheadlightSometimesdelaytheflights

theinfluence:Itspreadsillness

majorsandstormcentersinChinaGansuandWesternInnerMongoliaBeijingandNortheastInnerMongolia

Discussion:What’sthecauseofsandstorm?Whatshouldyoudoinasandstormtoprotectyourself?

Thecauseofsandstorm:cuttingdowntoomanytrees;desertification(沙漠化);hightemperatureandlittlerain;seriousairandwaterpollution;thegrowingpopulationoftheworld;improperofland;rapidspreadofurbanization;

Speaking

Answersforactivity2:1.Morethan400km/h.2.Itstayswhereitwas.3.About800.4.Morethan700.5.Ithashugewaves.6.8thSeptember,1900.7.No,hewasn’t.8.HiscoffinwasdroppedintheseabyahurricaneandcarriedtoCanadabytheGulfStream.

bury:埋葬1.burythehatchet:言归于好2.buryoneselfinsth.埋头或专心致志于e.g.Intheeveningsheburiedhimselfinhisbooks.

feather:羽毛Birdsofafeather(flocktogether).物以类聚,鸟以群分Showthewhitefeather.示弱,胆怯

fur:(动物的皮毛)makethefur/sparks(火花)fly引起争吵或打斗

Occur(occurred,occurring)1.发生.e.gWheredidtheearthquakeoccur?2.出现,存在e.gSandstormoftenoccursinBeijing.3.(想法,念头)想起,浮现e.gAgoodideaoccurtome.

endup结束endupin/with以……告终