高中英语必修5Unit3 Grammar and usage(2)VIP免费

Unit3ScienceversusnaturePartTwoTeachingResourcesGrammarandusage1.Heisalwaysworkinginhislab,tryingtofigureoutallthemysteriesthatmakehimpuzzled.(p49)(1)figureout:tofinallyunderstandsomethingorsomeone,orfindthesolutiontoaproblemafteralotofthought:[+questionword]Ican'tfigureoutwhyhedidit.Ifindhimreallyodd---Ican'tfigurehimoutatall.Canyoufigureouttheanswertoquestion5?(2)puzzle:verb[I+adverborpreposition;T]tocausesomeonetofeelconfusedandslightlyworriedbecausetheycannotunderstandsomething,ortothinkhardaboutsomethinginordertounderstandit:Thefindingsofthesurveypuzzleme-they'renotatallwhatIwouldhaveexpected.[+questionword]Itpuzzlesmewhyshesaidthat.Theyarestillpuzzlingabout/overhowtheaccidentcouldhavehappened.noun1[S]asituationwhichisdifficulttounderstand:Scientistshavebeentryingtosolvethispuzzleforyears.2[C]agameortoyinwhichyouhavetofitseparatepiecestogether,oraproblemorquestionwhichyouhavetoanswerbyusingyourskillorknowledge:ajigsawpuzzleacrosswordpuzzleapuzzlebookpuzzledadjectiveconfusedbecauseyoudonotunderstandsomething:Hehadapuzzledlookonhisface.I'mstillpuzzledastowhyshesaidthat.I'mabitpuzzledthatIhaven'theardfromLizforsolong.puzzlementnoun[U]FORMALastateofconfusionbecauseyoudonotunderstandsomethingpuzzlernoun[C]INFORMALsomethingthatisdifficulttoexplainorunderstand:Idon'tknowwhathappenedtothemoney-it'sarealpuzzler.puzzlingadjectivedifficulttoexplainorunderstand:It'saratherpuzzlingfilm.apuzzlingsituation2.WhenImethimtheotherday,…(p49)theotherday:afewdaysago:用心爱心专心116号编辑Didn'tIseeyouinthepostofficetheotherday?3.Ithinkweshouldbecautiousandusegoodjudgementwhenmakingdecisionsaboutcloning.(1)cautious:adjective1)describessomeonewhoavoidsrisks:Hewascautiouswhenhewasridingthebicycle.Theschoolboysaremorecautiousnottomakeanymistakesinspellingthaneverbefore.2)describessomethingwhichiscareful,wellconsideredandsometimessloworuncertain:acautiousapproachcautiouscriticismcautiouslyadverbinacautiouswaycaution(CARE)noun[U]greatcareandattention:Weneedtoproceedwith/exercisecaution(=becarefulintakingaction,makingdecisions,etc.)Theytreatedthestoryofhisescapewith(some/great/extreme)caution(=thoughtthatitmightnotbetrue).(2)judgement:4.It’snotworthit.(p49)worth：adjectivehavingaparticularvalue,especiallyinmoney:Ourhouseisworthabout£200000.Heroinworthabout$5millionwasseized.adjective1)beworthsthtobeimportantorinterestingenoughtoreceiveaparticularaction:Ithinkthismatterisworthourattention.Whenyou'reinReykjavik,theNationalMuseumisworthavisit.2)beworthhaving/doingsthtobeimportantorusefultohaveordo:There'snothingworthreadinginthisnewspaper.Ifyouareayoung,inexperienceddriver,itisworthhavingcomprehensiveinsurance.It'sworthrememberingthatpricesgouponFebruary1st.worthless：adjectivehavingnovalueinmoney/valueless/unimportantoruseless::Thecompany'ssharesarenowvirtuallyworthlessshares.Hesaidthejewelswereworthlessfakes.Shewascriticizedsomuchbyheremployersthatshebegantofeelworthless.NOTE:Theoppositeisinvaluable/priceless.Forreference:相关有用的表达：It’sworththemoney.=It’sgoodvalueforthemoney.be(well)worthdoingsth.Abirdinthehand(isworthtwointhebush).:saidwhenyourecognisethatyoushouldnotrisklosingsomethingyoualreadyhavebytryingtogetsomethingyou用心爱心专心116号编辑thinkmightbebetter两鸟在林，不如一鸟在手。beworthit：tobeofreasonableorgoodvaluefortheprice:Fourdays'carhirecosts£150,whichiswellworthitforthefreedomitgivesyou.与worthy及worthwhile的区别：worthy：adjectiveworthyofsth：suitablefor,orcharacteristicofsomething:Hethrewapartyworthyofamillionaireandattractedaglitteringcrowdofbeautifulpeople.worthytobedone/worthyofbeingdoneworthwhile:adjectiveuseful,importantorbeneficialenoughtobeasuitablerewardforthemoneyortimespentortheeffortmade:Sheconsidersteachingaworthwhilecareer.Thetimeandexpenseinvolvedinkeepinguptodatewithallthechangeshasbeenworthwhile.句型：It’sworthwhiledoing/todosth.做某事是值得的。如翻译：这个问题值得讨论。Thequestionisworthdiscussing.Thequestionisworthyofdiscussion.Thequestionisworthyofbeingdiscussed.Thequestionisworthytobediscussed.It’sworthwhilediscussing/todiscussthequestion.Discussing/Todiscussthequestionisworthwhile.用心爱心专心116号编辑