Unit 4 Earthquakes 第三课时 课件

Unit4EarthquakesPeriodThree

LearningaboutLanguageUsefulwordsandexpressionsFindthecorrectwordorexpressionforeachofthefollowingmeanings.1___________ofnouse2___________allthepeopleinacountry3____________________alotof4___________matterthatisnotclean5___________finished6___________verygreatindegree7___________immediately8___________gasthathotwatergivesout9___________makesomeonefeelverysurprised10__________metalbarsthatatrainmovesalong11__________savesomethingorsomebodyfromdanger12______thepartofabuildingleftaftertheresthasbeendestroyeduselessnationagreatnumberofdirtatanendextremerightawaysteamshocktrackrescueruinUsefulwordsandexpressionsTrytofindasmanywordsyouhavelearnedinthereadingpassageaspossibletodescribeanyearthquakeyouknowabout.EarthquakefeelingsdamageeventsrescueworkUsefulwordsandexpressionsdestroytrapdisasteragreatnumberofasusualpipequakeUsingwordsandexpressionsMarch27,1964wasaholidayinAlaska,somostpeoplewereathome,andeverythingwasgoingon_________.Suddenly,therewasasoundlikethunder.Next,people’shousesbegantoshake.Buildingscrackedandwater______burst.InthetownofAnchorage,themainstreetwentupintotheairtenfeet,holesopenedupintheground,andbuildingsfelldown.Peoplewereshockedbytheunexpected_________.Someranupanddownthestreetwhileotherswho_____________inthebuildings,werelookingoutoftheirwindowsforhelp.TheearthquakethathitAlaskawasoneofthestrongest

_______inNorthAmerica.Theearthquake__________

manytownsand__________________peoplewerekilled.asusualpipesdisasterwastrappedquakedestroyedagreatnumberofUsefulwordsandexpressionsCompletethepassagewithwordsfromthetext.Itwasafrighteningnight.Thedamcrackedandthen_______undertheweightofthewater.Thewaterwentalloverthefieldsand___________quiteafewvillagesalongtheriver.Somebuildingswerein_______andsomefarmerswere___________atthetopoftheirhouses.Thewaterfilledthecanalsandthe____________.Deadbodiesand__________animalswereseeneverywhere.

Peoplewere___________,buttheyhadto

_______thedeadbodiesforhealthreasons.

Itwasaverysadtime.burstdestroyedruinstrappedburyrescuedinjuredfarmyardsDiscoveringusefulstructuresYouarelovelystudents.Youalwayshaveendlesshomework.Youarelovelystudents

whoalwayshaveendlesshomework.Thisisasweetsong.Italwaysremindsmeofmyschoollife.Thisisasweetsong

which/thatalwaysremindsmeofmyschoollife.Sheisanelegantqueen.Herpeopleloveherverymuch.Sheisaelegantqueenwhosepeopleloveherverymuch.Youaretheperson.Iwanttospendmylifewithyou.Youaretheperson

(who/whom)Iwanttospendmylifewith.先行词关系代词定语从句引导定语从句关系代词的用法：

thatwhichwhowhomwhose

1.that在从句中作主语或宾语，指人和物

1)Aplaneisamachinethatcanfly.（主语）2)Thenoodles

thatIcookedweredelicious.（宾语）3)Let’saskthemanthatisreadingthebookoverthere.（主语）4)Thegirl

thatwesawyesterdayisJim’ssister.（宾语）

2.

which

在从句中作主语或宾语，指物1)Theygavemethecactuswhichdidn’tneedmuchwater.

(主语)3.

who,whom

在从句中分别作主语和宾语(口语中who也可作宾语)1)TheforeignerwhovisitedourschoolyesterdayisfromCanada.（主语）2)Thefishwhichweboughtwerenotfresh.

（宾语）2)Godhelpsthosewhohelpthemselves.（主语）Hewholaughslastlaughsbest.

4)Mr.Readistheprofessortowhomyoushouldwrite.（宾语）3)Thepersonwho/whomyoujusttalkedtoisMr.Li.（宾语）

3)Thisisthebookwhosecoverisblue.4.

whose

在从句中作定语，指人或物1)MissFloweristheteacherwhosehousecaughtfirelastweek.2)Thisistheboywhosecompositiontheteachertalkedof.Thebossinwhosecompanymyfatherworkedisaverykindperson.关系代词whose还可以在从句中与它所修饰的词一起作介词宾语NOTE

that和which在指物的情况下一般都可以互换,但在下列情况下,

一般用that而不用which。Iamsureshehassomething

(that)youcanborrow.All

thatglittersisnotgold.I’vereadallthebooksthatarenotmine.

Thisisthefirstbook(that)hehasread.(1)先行词为all,everything,nothing,something,anything,little,much等不定代词时。(2)先行词被all,every,no,some,any,little,much等修饰时。(3)先行词被序数词或最高级修饰时。NOTE(4)先行词被theonly,thevery,thesame,thelast修饰时。Thisistheverybookthatbelongstohim.(5)先行词中既有人有物Thepeopleandthings

thatIknowhaschanged.Completeeachsentenceusingthat,which,whoorwhose.1Herearemyneighbours__________homewasdestroyedbytheearthquake.2Theterribleshakingofthebuildingwokeupallthepeople___________wereasleep.3Thenextdaypeopleputupsheltersintheopenairmadewithanything___________theycouldfind.4Severaldayslatermostofthebuildings

__________hadbeendamagedwererepaired.5Thisfrightenedboy___________mother

waslostindisasterislookingforhernow.whosethat/whothatwhich/thatwhoseCompleteeachsentenceusingthat,which,whoorwhose.6Wewenttoseeourteacher__________husbandlosthislifeintheearthquake.7“Isthistheyoungman_________savedseveralpeopletrappedunderbuildings?”sheasked.8Anumberofchildren_________parentshaddiedinthequakeweresenttolivewithfamiliesinothercities.9Luckilynoneofthepeople_______________

Iknowwerekilledintheearthquake.10Ahouse__________isbuiltonsand

mayfalldowninanearthquake.whosewho/thatwhosethat/who/whomwhich/thatUsingstructures1It’snecessaryforpeople_____________________________topreparecarefulbeforeanearthquakecomes.2Neverbuyahouse___________________________.3Makesurethatallpipesarefixedtowalls__________

______________________.4Itisimportanttohaveahouse_________________.5Televisions,computersandlamps_________________couldcauseanaccidentduringanearthquake.6Anyone________________________willbehurt

inanearthquakeifthewindowglassbreaks.7Thosefor______________________should

readitcarefully.whosehomesareinanearthquakeareawhichisnotearthquakesafewhichareespeciallythickandstrongwhichhasboltsunderneaththatarenottiedorstucktotableswhostandsclosetowindowswhomthisadviceiswrittenWordsGuessingExample:A:Itisanounthatrhymeswith“cake”.B:Is