Unit 4  Earthquakes

 unit4 earthquakes
thefirstperiod
knowledge:
 learnandmasterthenewwordsandexpressionsinthisperiod.
 words:
ability:
1. trainthestudents’listeningability.
2. trainthestudents’listeningability.
3. trainthestudents’abilitytousetheinternettosearchforsomeusefulinformation.
4. trainthestudents’abilitytocooperatewithothers.
emotion:
1. knowthedamagethatanearthquake
2. knowthewaystoreducethelossesofanearthquake.
teachingimportantpoints
trainthestudents’speakingabilitybydescribing,talkinganddiscussion.
difficulties:
trainthestudents’listeningability.
step1warming-up
t:doyouknowwhathappenedintheindianoceanattheendoflastyear?itshockedorwecansayfrightenedthewholeworld.
s:aterribletsunamibrokeoutthereon26thdecember.morethan200000peoplewerekilled.
t:yes.itissaidthatitisthebiggestintheforedecades.atsunamiisanunderseaearthquake.thenhaveyouheardofanylandearthquakes?wouldyoupleaselistsome?
s:wecanoftenhearthatearthquakesoccurinjapan.in1906,anearthquakestrucksanfrancisco,usa.about700peoplediedintheearthquakeandthefires.andasmanyas250000peoplelosthomes.
t:butdoyouknowanyfamousearthquakesthathappenedinourcounty?
s:thetangshanearthquakethathappenedin1976.
t:canyoutellmewhatmightyhappeninanearthquake?youmaylookatthetwopicturesonpage25.
step2listening
t:beforewelearnthepassageaboutanearthquake,let’sfirstknowwhythereareearthquakesintheworld.solet’sdosomelisteningonpage62.listentothetapeforthefirsttimeandtrytogetageneralideaofthepassage.
 listentothetapeandchecktheanswers.(itisaboutthecauseofearthquakesandhowwecanreducelossesfromthem.)
t:listentothetapeforthesecondtimeandjudgewhetherthestatementsinpart1aretrueoffalse.
t:let’schecktheanswers.listenagainandtrytocorrectthestatementsthatarefalse.
t:listenagainandtrytocompletethetableinpart2.
 afewminuteslater,checktheanswers.
step3homework
1. previewthereadingpassageonpage26anddoexerciseiinthepart“learningaboutlanguage”.
2. askthetolookformorewaysofreducinglossesfromearthquakes.thestudentscangotothelibraryorusetheinternettosearchforinformation.aftersearchingfortheinformation,eachgroupshouldmakeaposter,informingpeoplehowtoreducethelossesofanearthquake.共10页，当前第1页12345678910