新概念英语青少版3BUnit18

Tagline,taglineUnit18Learningtherules！.ListeningandunderstandingROBERT:Dad!HaveyouaskedMumyet?WILLIAM:Whatabout?ROBERT:HaveyouaskedMumifIcanstartkaratelessons?WILLIAM:No,Ihaven’t.I’ll..Shh!She’scoming..ListeningandunderstandingKAREN:Whatareyoutwowhisperingabout?ROBERT:Oh,er,nothing!I’mjustgoingupstairs.Seeyoulater,Dad!WILLIAM:Yes,ofcourse..ListeningandunderstandingKAREN:What’sthemystery?IsRobertallright?WILLIAM:He’sfine.Hejustwantsmetoaskyousomething.KAREN:Whydoesn’theaskmehimself?WILLIAM:He’safraidthatyou’llsayno..ListeningandunderstandingKAREN:Oh,dear!Whatisit,William?WILLIAM:Robertwantstolearnkarate.Hedoesn’tknowwhetheryou’lllethim..ListeningandunderstandingKAREN:Oh,itthatall!Youworriedme!ROBERT:Doyoumeanthatyoudon’tmind?KAREN:OfcourseIdon’tmind!WhywouldImind?Karate’sasport,isn’tit?.ListeningandunderstandingWILLIAM:It’samartialart!It’saboutfighting!KAREN:Allcompetitorareakindoffighting.Themartialartsarealsoaboutrules!.Newwordsandexpressionswhisper8Prepared4/24/08.Newwordsandexpressionsupstairs9Prepared4/24/08.Newwordsandexpressionsafraid10Prepared4/24/08.Newwordsandexpressionswhether11Prepared4/24/08.Newwordsandexpressionsfight12Prepared4/24/08Fighting!.GrammarWhether与if引导宾语从句,一般既可用whether也可用if.但是（1）ornot放在whether之后时,只能用whether不用if.E.g.,Idon’tknowwhetherornothewillcome.我不知道他是不是回来.（2）在强调任意选择时,用whether…or,此时不用if替换whether.HeaskedmewhetherIwantedtogotherebytrainorbybus.他问我是想乘火车还是坐公共汽车去那里.13Prepared4/24/08.GrammarWhether与if引导宾语从句,一般既可用whether也可用if.但是（3）虽引导宾语从句,但为了强调宾语部分,也可把从句放在句首,此时只用whether不用if.WhetherhewillcomeIamnotsure.他是不是来我拿不准.（4）从句作介词宾语时只用whether不用if.Itdependsonwhetheritwillbefine.那得看是不是晴天.14Prepared4/24/08.GrammarWhether与if引导宾语从句,一般既可用whether也可用if.但是（5）句子中有if引导的条件句,如再有表示“是否”的宾语从句,用whether不用if.HeaskedmewhetherI’dmovetoNewYorkifIgotthejob.他问我如果我得到那份工作是否会搬家到纽约.（6）如果宾语从句为否定句时,则只用if不用whether.Idon’tknowifitwon'traintomorrow..我不知道明天是不是会下雨.15Prepared4/24/08.用在动词不定式之前时用whether不用if.Idon’tknowwhethertogothereatonce.我不知道是不是该立刻去那里.16Prepared4/24/08.GuidedConversation1.Wouldyouliketolearnkarate?Why?/Whynot?2.Whatnewsportoractivitywouldyouliketolearn?Why?3.Doyouthinkmartialartsareagoodthingforyoungpeople?Why?/Whynot?4.Karensays,‘Allcompetitorsareakindoffighting.Themartialartsarealsoaboutrules.’Whatdoyouthink?17Prepared4/24/08.PronunciationPleaseaskMumpauseifIcanstartkaratelessons.I’llfindoutpausewhethersheminds.18Prepared4/24/08.PatternPracticeA:HasClairefoundajob?B:I’llaskherifshe’sfoundone.19Prepared4/24/08.PatternPractice20Prepared4/24/08A:CanyoutellmeifClaire’sfoundajobornot?B:I’mnotsurewhethershehasornot,butIcanfindoutforyou..Listening21Prepared4/24/08MultipleChoice